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Master ReferenceMaster Reference Amplifier 1 KW 8Ω - 64.8 x 47 x 88.9 cm 310 kg
Master Reference SubwooferWith 2600 watt Krell amplifier - 47.8 x 51.1 x 72.4 cm, 180 kg
Evolution LineEvolution One Power Amplifier
Evolution One izlazno pojačalo je rezultat Dan D'Agostino nepopustljivog rada na najrealističnoj muzičkoj reprodukciji u kući.
Neizmerno snažan je mono dizajn sa odvojenim napajanjem za svaki kanal. Zadivljujuća lepota dizajna koja skriva napredna
rešenja unutar zidova.
The Evolution One amplifier is the result of Dan D'Agostino's unrelenting pursuit of the most realistic musical reproduction
possible in the home. Immensely powerful, the Evolution One is a monaural design that features a separate power supply for
each channel. Stunning aesthetics hint at the advanced amplifier circuitry housed within its walls. The 450 watt Class A
circuitry features the latest advancements in Krell amplifier design including the proprietary Krell Current Mode topology and
the latest versions of the Krell Sustained Plateau Bias and CAST circuitries.
FEATURES In the Evolution One, the output impedance of the final gain stages is one hundredth that of the final gain stage in
most power amplifiers. This provides extremely wide bandwidth and very high current capability. The Evolution One does not
employ global negative feedback the final gain stages use only 8 dB of local, nested negative feedback. This is one-five hundredth
of the amount used in most solid-state power amplifiers. The result is an extraordinarily open, liquid, effortless sound.
The rails powering the low level and gain stages in the Evolution One are regulated twice for total immunity from fluctuations in the
AC mains and virtually noise-free output. All the regulators use current-mode circuitry for wide bandwidth, low output impedance,
and complete immunity to varying load conditions. The high-current regulators powering the Evolution One output stages use
fully complementary gain stages and output drivers. The resulting wide bandwidth and low output impedance of the Evolution One
surpasses even the stringent demands of the amplifier output stages. The driver and output stages in the high current regulators
use 14 pairs of the same robust, high performance power transistors used in the amplifier output stages. All the regulators are
located in the amplifier chassis to provide ultra low impedance supply rails for the audio circuitry. Krell alone employs regulated
output stages of this nature, which contribute dramatically to the current capability of the amplifier. Essentially an amplifier within
an amplifier, the complexity and cost of the Evolution One regulator virtually insures that no other manufacture dare attempt it.
The new Evolution Bias system features 12 individual bias levels for optimum performance and efficiency. Evolution Bias constantly
compares the audio signal at the input stage with impedance at the output stage, and adjusts the bias current accordingly. In
addition, a proprietary bias monitor continuously measures and adjusts the output stage bias, eliminating the need for future
adjustment or calibration. Housed in a separate chassis, the Evolution One power supply makes use of extensive electrical and
magnetic shielding to keep radiated interference out of critical amplifier circuits. Internal high current line conditioning circuitry
filters RF noise on the AC mains, as well as compensating for asymmetric power waveforms and DC on the mains.
A dedicated 165 VA toroidal transformer with six independent secondary windings powers the amplifier's low level stages, gain
stages, and control circuitry. Power for the high current regulators and amplifier output stages comes from two massive 2500 VA
toroidal transformers. These in turn drive eight 35-amp bridge rectifiers and 120,000 microfarads of filter capacitance. High reliability
connectors with 56 machined, gold plated, 20-amp contacts transmit these tremendous power reserves to the regulators.
Evolution Two Preamplifier
Evolution Two predpojačalo je vrhunski izraz Krell-ove tehnologije predpojačala. Mono predpojačalo sa odvojenim napajanjem.
The Evolution Two preamplifier is the ultimate expression of Krell preamplifier technology. A monaural preamplifier with a separate
power supply, the Evolution Two is capable of rendering a near lifelike soundstage with stunning detail and presence. The balanced,
zero feedback, proprietary Krell Current Mode and CAST circuitries results in a two megahertz open loop bandwidth that guarantees
near perfection in the critical listening spectrum. Although the Evolution Two embraces the simplistic pleasures of a high-end
two-channel preamp, it also features sophisticated control capabilities for better integration into a state-of-the-art home environment.
FEATURES All signal gain in the Evolution Two is realized in the current domain using proprietary multiple-output current mirrors with
nearly 500 times the open loop linearity of other designs. Negative feedback is not used anywhere in the Evolution Two preamplifier,
nor is it necessary. Open-loop distortion is typically less than 50 parts per million, and the open loop bandwidth extends to two
megahertz. The result is an extraordinarily wide and deep image, with an open and effortless sound.
The Evolution Two volume control is realized with a digitally controlled analog circuit with 216 step resolution, which uses low
resistance, high-linearity solid-state switches and discrete precision resistors. Control signals for the switches are optically coupled
for low noise and maximum signal integrity. The bandwidth and transient response of the Evolution Two circuitry are virtually unaffected
by the volume setting. Typical volume controls, working in the voltage domain, introduce frequency response and phase anomalies
that change in accordance with the degree of attenuation. The current domain attenuator in the Evolution Two avoids these anomalies,
revealing high frequencies that sound especially smooth and extended. Music seems to emerge from jet black silence. The analog
and digital signal paths are not interconnected in the Evolution Two. Where necessary, digital control signals are optically coupled to
analog circuits. The Evolution Two has two buffered tape outputs: one linked to the main signal selection bus, and another with its own
independent signal-selection bus. This allows the option of listening to one source while recording another, or the option of connecting
two tape decks having different input signals. Both tape outputs have single ended and voltage outputs. Either the fourth single-ended
input or the third balanced input can be user-configured as a tape monitor input, allowing the opportunity to use home or professional
recording equipment.
Housed in a separate chassis, the Evolution Two power supply makes use of extensive electrical and magnetic shielding to keep
radiated interference out of critical preamplifier circuits. Internal line conditioning circuitry filters RF noise on the AC power, and
compensates for asymmetric power waveforms and DC on the mains. Power for the analog stages comes from a large 170 VA toroidal
transformer. This transformer drives four 8-amp bridge rectifiers and 39,600 microfarads of filter capacitance. Each Evolution Two
preamplifier channel has as much power supply capability as many stereo power amplifiers. Most stereo preamplifiers use 10 VA
transformers. The Evolution Two power supply utilizes 30 times the current capability of typical designs, thus guaranteeing its ability
to deliver enormous transients without hesitation. The Evolution Two main regulators for the analog stages are scaled-down versions
of those used to power the output stages of the Evolution One amplifier. Operating in current mode, with fully complementary gain
stages and output drivers, wide bandwidth, low output impedance, and high current capability, the main regulators easily exceed the
requirements of the analog stages. The driver and output stages in the main analog regulators use five pairs of 150 Volt, 8 Amp,
40 megahertz power transistors.
A dedicated 90 VA toroidal transformer with three independent secondary windings powers the Evolution Two digital control circuitry.
The regulators for the control circuitry team ultra-stable voltage reference chips with the same discrete high-current driver and output
transistors used in the main analog regulators. These ample power reserves are brought to the Evolution Two via high reliability 12-pin
connectors with machined, gold plated, three-amp contacts. Secondary voltage regulators for each analog stage in the Evolution Two
provide ultra-quiet, rock-solid supply rails, as well as complete isolation between all the analog stages.
Evolution 202 PreamplifierČesto zapostavljeno, predpojačalo je kritična komponenta u zvučnom lancu. Mali signal mora biti pažljivo pojačan bez oštećenja.
Evolution 202 koristeći kombinaciju naprednih tehnologija i inspirativni dizajn podiže ovaj zadatak na nivo umetnosti.
Often overlooked, the preamplifier is a critical component in the signal chain. A small signal must be carefully amplified without
damaging the ephemeral staging and dimensional components of the music. The Evolution 202, using a combination of advanced
technologies and inspired design, elevates this task to an art form. Music emanates from an expanse that outlines the recording
venue, transporting you to the moment of creation. With the Evolution 202 Preamplifier, musicians appear, silhouetted by the air
about them, filling the room with a mesmerizing depiction of the recording.Features 1.5 MHz open loop bandwidth in a zero
feedback, balanced, Krell Current Mode design terminating in Krell CAST. All signal gain is realized in a surface mount topology
using proprietary multiple-output current mirrors with nearly 500 times the open loop linearity of other designs.Zero negative
feedback is used anywhere in the preamp, nor is it necessary. Open-loop distortion is typically less than 0.005% (50 parts per
million). A complete Evolution (source, preamplifier, amplifier) system, connected in CAST, reduces the number of voltage gain
stages to the minimum, one. The resulting noise floor is approaching the theoretical limit of technology. The volume control is
realized with a 16-bit balanced resistor ladder --bandwidth and transient response of the preamp circuitry are virtually unaffected
by the volume setting. Housed in a separate chassis, the power supply makes use of extensive electrical and magnetic shielding
to keep radiated interference out of critical preamplifier circuits. A 170 VA toroidal transformer drives four 8-amp bridge rectifiers
and 39,600 microfarads of filter capacitance. A new Krell designed digital control circuit monitors and optimizes the preamplifier's
operating parameters. 1.5 MHz open loop bandwidth in a zero feedback, balanced, Krell Current Mode design terminating in Krell
CAST. All signal gain is realized in a surface mount topology using proprietary multiple-output current mirrors with nearly 500 times
the open loop linearity of other designs. Zero negative feedback is used anywhere in the preamp, nor is it necessary. Open-loop
distortion is typically less than 0.005% (50 parts per million). A complete Evolution (source, preamplifier, amplifier) system,
connected in CAST, reduces the number of voltage gain stages to the minimum, one. The resulting noise floor is approaching the
theoretical limit of technology. The volume control is realized with a 16-bit balanced resistor ladder --bandwidth and transient
response of the preamp circuitry are virtually unaffected by the volume setting.Housed in a separate chassis, the power supply
makes use of extensive electrical and magnetic shielding to keep radiated interference out of critical preamplifier circuits.
A 170 VA toroidal transformer drives four 8-amp bridge rectifiers and 39,600 microfarads of filter capacitance.A new Krell designed digital control circuit monitors and optimizes the preamplifier's operating parameters.
Evolution 222 Preamplifier
Evolution 222 predpojačalo donosi napredne tehnologije inspirisane dizajnom Evolution 202 predpojačala u
jednom kućištu. Sa izlaznim pojačalima 302 i 402 i izvorom 505 predstavlja perfektnu kombinaciju.
The Evolution 222 brings the advanced technologies and inspired design of the Evolution 202 to single chassis
format. Heard through the Evolution 202, music emanates from an expanse that outlines the recording venue,
transporting you to the moment of creation. The Evolution 222 is the perfect companion for the Evolution 302
and 402 Amplifier and Evolution 505 Source. Engaging, captivating, entrancing new from Krell, classic from Krell. FEATURES 1.5 MHz open loop bandwidth in a zero feedback, balanced, Krell Current Mode design terminating
in Krell CAST. All signal gain is realized in a surface mount topology using proprietary multiple-output current
mirrors with nearly 500 times the open loop linearity of other designs.Zero negative feedback is used anywhere
n the preamp, nor is it necessary. Open-loop distortion is typically less than 50 parts per million. A complete
Evolution (source, preamp, amplifier) system, connected in CAST, reduces the number of voltage gain stages
to the minimum, one. The resulting noise floor is approaching the theoretical limit of technology.The volume
control is realized with a 16-bit balanced resistor ladder bandwidth and transient response of the preamp circuitry
are virtually unaffected by the volume setting.150 VA toroidal transformer drives four 6-amp bridge rectifiers and
19,800 microfarads of filter capacitance. Krell designed digital control circuit monitors and optimizes the
preamplifier's operating parameters.Evolution 302 Power Amplifier Evolution 402 Power Amplifier Evolution 403 Power AmplifierEvolution 600 Power AmplifierEvolution 900 Power AmplifierEvolution serija nastavlja da se širi i sada ima pet snažnih pojačala. Stereo komponente uključuju novi Evoluton 302
kao i dobro poznati 402. Evolution 403 je trokanalno pojačalo dok su Evoluton 600 i 900 mono pojala. Dva mono
pojačala su neophodna za stereo reprodukciju.
The Evolution Series continues to expand, and now offers five powerful amplifier models. Stereo components include
the new Evolution 302 as well as the Evolution 402 amplifier. The Evolution 403 is a three-channel amplifier and the
Evolution 600 and 900 are monaural amplifiers. Two monaural amplifiers are required for stereo operation.
FEATURES Active Cascode Topology eliminates global negative feedback, only nested local feedback is employed
around individual gain blocks. The result is an extraordinarily open, liquid, effortless sound.The signal path incorporates
Krell Current Mode and CAST circuitry using proprietary multiple-output current mirrors in a complementary and
balanced arrangement for extraordinary open loop linearity.Evolution circuit topology breaks through bandwidth
limitations of conventional designs resulting in near perfect performance in the audible range.
A complete Evolution (source, preamplifier, amplifier) system, connected in CAST, reduces the number of voltage gain
stages to the minimum, one. The resulting noise floor is approaching the theoretical limit of technology.All Evolution amplifiers feature massive power supplies with the Evolution 402 and Evolution 600 equipped with a5000 VA power supply and the Evolution 403 and Evolution 900 housing 6000 VA power supplies. The power supply
makes use of extensive electrical and magnetic shielding to keep radiated interference out of critical amplifier circuits.
Internal high current line conditioning circuitry filters RF noise on the AC mains, as well as compensating for asymmetric
power waveforms and DC on the mains. The rails powering the amplifiers' low level and gain stages are regulated twice
for total immunity from fluctuations in the AC mains and virtually noise-free output. Advanced microprocessor control
monitors critical operational parameters.Bias, load impedance, regulator output voltages and operating temperature
are all continuously monitored.Evolution 505 SACD Player
Evolution 505 podržava SACD (single, dual ili hibrid), CD-RW, MP3 i WMA format.CAST veza.
Matched 24-bit /192 kHz DACs are used on all channels, and the left and right output circuitry provides CAST and
balanced connections for optimal stereo playback. Surface Mount Technology, a state-of-the-art circuit miniaturization
technique, provides the circuit density and signal transfer capability demanded by the advanced Krell circuit design
employed in the Evolution 505.The current output signal of the DACs is fed directly to the Krell Current Mode audio
circuitry eliminating the deleterious effect of the current-to-voltage conversion stage present in all other designs.
Evolution circuit topology breaks through bandwidth limitations of conventional designs resulting in near perfect
performance in the audible range.A complete Evolution (source, preamp, amplifier) system, connected in CAST,
reduces the number of voltage gain stages to the minimum: one. The resulting noise floor approaches the theoretical
limit of technology.Power supply makes use of extensive electrical and magnetic shielding to keep radiated interference
out of critical audio circuits. Separate power for drive mechanism, digital and analog circuitry maximizes the performance
of all sections. A custom-wound toroidal power transformer, 10 times larger than those found in typical source units,
offers tremendous current and low noise operation for the analog circuitry. Several stages of regulation insure rock steady
power to all gain stages for maximum dynamic impact. The Evolution 505 supports SACD (single, dual, and hybrid),
CD-R/RW, MP3, and WMA formats.
Evolution 525DVD-video, SACD Player
Evolution 525 podržava DVD Video, SACD (single, dual ili hibrid), CD-RW, MP3 i WMA format.CAST veza.
With a dual-channel video format converter, the Evolution-525 outputs 480i,480p,576i,576p,720p,1080i and 1080p via HDMI.
Unlike other solutions that provide 1080p outputs through down- and up-scaling, the Evolution 525 utilizes 3D deinterlacing,
providing state-of-the-art image quality for high-resolution, large-panel displays and projection systems.
Extensive noise reduction, adaptive contrast enhancement and intelligent color remapping, frame-rate conversion, horizontal
luma and chroma edge enhancement for the sharpest, most detailed image available.Matched 24-bit /192 kHz DACs are
used on all channels, and the left and right output circuitry provides CAST and balanced connections for optimal stereo
playback.Surface Mount Technology, a state-of-the-art circuit miniaturization technique, provides the circuit density and
signal transfer capability demanded by the advanced Krell circuit design employed in the Evolution 505.The current output
signal of the DACs is fed directly to the Krell Current Mode audio circuitry eliminating the deleterious effect of the
current-to-voltage conversion stage present in other designs. Evolution circuit topology breaks through bandwidth limitations
of conventional designs resulting in near perfect performance in the audible range. A complete Evolution (source, preamp,
amplifier) system, connected in CAST, reduces the number of voltage gain stages to the minimum: one. The resulting noise
floor approaches the theoretical limit of technology.The power supply makes use of extensive electrical and magnetic
shielding to keep radiated interference out of critical audio circuits. Separate power for drive mechanism, digital and analog
circuitry maximizes the performance of all sections. A custom-wound toroidal power transformer, 10 times larger than the
transformers found in typical source units, offers tremendous current and low noise operation for the analog circuitry. Several
stages of regulation insure rock steady power to all gain stages for maximum dynamic impact.
The Evolution 525 supports DVD-video, SACD (single, dual, and hybrid), CD-R/RW, MP3, and WMA formats.
The Evolution 707 Preamplifier Processor
Evolution 707 pruža neprevazidjenu reprodukciju muzike i filma.
The Evolution 707 delivers unparalleled music and cinema soundtrack reproduction through the use of a full complement
of advanced Krell technologies, including: Krell Current Mode, Evolution CAST, Class A, Evolution CAST and balanced
outputs, user-configurable input assignment and system macros, main and remote zone control capability, and
broadcast-quality video circuitry.
FEATURES 8.4 channels of audio output features two center channel outputs and four subwoofer outputs for maximum
flexibility in system design. Two digital signal processors (DSPs), the Crystal CS49623 and the CS49302 are employed
to perform all surround mode processing. Supports Dolby Digital Surround EX, Dolby Digital 5.1, DTS 6.1 ES, DTS 5.1,
DTS NEO:6, Dolby Pro Logic II processing as well as Dolby TrueHD and DTS HD Master Audio lossless surround formats,
plus nine proprietary Krell Music Surround modes. Digital processing circuitry runs in double precision mode at a word
length of 48-bits for the most precise division of frequencies and optimization of the system's speaker/subwoofer combination.
12 output stages are fully balanced and feature Krell Current Mode topology with 1.5 MHz of bandwidth for accurate
reproduction of the today’s demanding movie soundtracks. Current audio signal transfer (CAST) outputs are supported for
all 12 channels. Evolution CAST, which stands for current audio signal transmission, is a proprietary method of sending the
audio signal between components in the current domain, from a high impedance transmitter to a low impedance receiver.
Krell components connected in Evolution CAST act together as an electrically unified whole, free from the deleterious effects
normally imposed by the connecting cables. Preamp mode bypasses all digital circuitry and routes the analog input, stereo
or 7.1 multi-channel, directly to the volume control for the purest path possible. Separate power supplies for digital and analog
circuit paths are linear design and feature custom made, low-noise transformers and robust regulation. All-discrete video
circuitry bandwidth is greater than 350 MHz and provides pristine pass-through of all progressive and wideband high definition
signals including HDMI. Inputs and outputs for composite, S-Video, component, and HDMI are supported. On Screen Display
set-up and status are available on all video outputs, all of the time, including upconversion to component and HDMI progressive
outputs. Any SD or HD video standard may be converted up to 1920 x 1080p 60 Hz. Faroudja DCDi Cinema (Directional
Correlational Deinterlacing). A per-pixel video format converter, a unique algorithm identifies all the moving edges in a scene
and adjusts the angle of interpolation at each pixel. Eliminates staircasing or jagged edge artifacts Film mode detection features
bad edit correction.-Emmy award winning Faroudja Truelife Video Enhancer. Identifies transitions considered to be the details
in an image such as skin texture, freckles or hair, for artifact free image enhancement. Motion Adaptive processing reduces
noise without introducing smearing. VCR sources may be processed and output via HDMI. Support for a second video zone is
included. Remote control options include bidirectional RS-232 communication, multiple 12 VDC triggers, direct RC-5 input.
The processor is Crestron I2P certified for use with touchpanel based systems.
Custom, all-aluminum chassis boasts impeccable fit and finish.
FBI Integrated Amplifier
Fully Balanced Integrated Amplifier (FBI) je integralno pojačalo velikog formata koje pruža snagu i kontrolu u konvencionalnom
integralnom pakovanju koje je jednostavno za upravljanje.. CAST veza.
The Fully Balanced Integrated Amplifier (FBI) is a large-format integrated amplifier that offers all the power and control afforded
by big Krell amplifiers in a convenient, integrated package that is simple to operate. A new Current Mode preamplifier topology
features an Evolution CAST input for pristine signal integrity. A balanced, 300 watt/channel amplifier delivers the dynamic
contrasts for which Krell is legend. The hand-machined aluminum chassis and exquisite diamond cut finish complete a package
that obliterates any notion of compromise.
FEATURES The balanced, Krell Current Mode preamplifier design features Krell Evolution CAST, balanced, and single-ended
inputs. The preamplifier bandwidth extends to 300 K promoting low distortion and proper phase in the audible band.A Krell
engineered volume control is realized with digitally controlled, analog resistor ladders for pristine phase and frequency response
at any volume setting.The amplifier features 300 W Krell Current Mode Topologies and balanced output stages.A 3000 VA
custom torroidal transformer offers enormous current reserves.
A remote control accesses all functions, and a 12 VDC trigger connection allows the easy interface with other components.
The Theater Throughput feature allows seamless integration into a home theater system.
KAV-400xi Integrated Amplifier
Krell KAV-400xi je integralno pojačalo visokih performansi koje u sebi spaja obeležja Krell inžinjering dizajna Klase A,
belansiranih veza, jedinstvene tehnologije, Krell kvaliteta izrade i besprekornih zvučnih performansi.
The Krell KAV-400xi is a high performance integrated amplifier that combines the hallmarks of Krell engineering design-Class
A amplification, balanced circuitry, unique technology, Krell build quality, and impeccable sonic performance into one,
beautifully styled component. Sonically, the KAV-400xi features a prodigious bass response, an open, natural sounding
midrange, and highs that are extended and smooth. The KAV-400xi has a compact, precisely constructed chassis that
is hand finished in silver or black.
FEATURES The KAV-400xi Integrated Amplifier develops 200 W into 8 Ohms and 400 W into 4 Ohms, employing a
push/pull configuration for complete control of any loudspeaker. A massive 800 VA toroidal transformer and 55,000
microfarads of capacitance guarantee huge power reserves for maximum dynamic impact. Both balanced and single-ended
inputs are provided, and the Theater Throughput mode, developed by Krell, simplifies integration into home theater systems.
Robust WBT binding posts provide superior loudspeaker cable termination.
The KAV-400xi features the latest Krell Class A, direct coupled design, and the entire signal path from input to output is
fully balanced for the lowest noise reproduction possible. Krell Current Mode provides unequaled bandwidth for the most
revealing playback of todays high resolution music sources. Direct coupled circuitry eliminates impact-robbing capacitors
from the signal path. A tactile, custom-machined level control adjusts volume.
KAV-280p Preamplifier
KAV-280p je stereo predpojačalo izuzetnog zvuka koje donosi dinamiku i rezoluciju ostalih odvojenih komponenti KAV serije.
The KAV-280p is a superb sounding stereo preamplifier that brings the dynamics and resolution of separate components to
the KAV Series. Balanced, direct-coupled circuitry is utilized from input to output, and the level attenuator is accomplished
with a unique, digitally controlled analog circuit. Balanced and single ended inputs and outputs are supported. The
custom-machined aluminum enclosure is available in silver or black.
FEATURES The KAV-280p uses current tunnel and surface mount technology derived directly from the state-of-the-art Krell
Current Tunnel (KCT) preamplifier. Its extremely wide bandwidth makes the KAV-280p the ideal preamplifier for today's high
resolution sources. The extended frequency response made possible by Krell Current Mode circuitry insures fidelity and
phase coherence within the audio passband for convincing recovery of the most complex audio programs.
The single ended and balanced inputs are buffered for optimum interface characteristics. All circuitry is direct-coupled; there
are no capacitors in the signal path. Four layer copper clad circuit cards utilize a proprietary ground scheme and are designed
by Krell engineers to minimize noise and crosstalk. High-speed, bipolar transistors are used throughout.
The power supply is heavily regulated and utilizes a 100VA torroidal transformer. As in the KCT, regulation is nested throughout
the circuit to insure timely voltage delivery to the various gain stages. A micro controller with highly reliable, sealed relays and
gold contacts manages input selection duties.
KAV-2250 2 Channel Power AmplifierKAV-3250 3 Channel Power Amplifier
Elegantni eksterijer Krell-ovog kućišta skriva skriva snagu koja se nalazi unutar ovog pojačala.Prefinjena reprodukcija i nadmoćna
snaga definišu KAV-2250.
The elegant Krellcoat exterior hides the powerhouse that resides within this amplifier. Refined reproduction and overwhelming power
defines the KAV-2250. Utilizing technology developed in the Krell Full Power Balanced amplifiers including oversized power supplies,
Krell Current Mode circuitry, and balanced signal paths, this amplifier is ideal for use in stereo music and movie soundtrack reproduction.
FEATURES The KAV-2250 Two-channel amplifier features the newest Krell design enhancements, providing an extraordinary degree
of sonic refinement. The KAV-2250 features a massive power supply with 2000 VA toroidal-transformer. Power output is a substantial
250 W per channel into 8 ohms (500 W per channel into 4 ohms). The channels can be bridged to deliver 1000 W into 8 ohms.
As with the Theater Amplifier Standard, the gain stages use Krell Current Mode, discrete Class A, fully complementary circuitry.
The driver/output stages employ 14 high-current transistors per channel for high output current capability. This design delivers the clean,
powerful, detailed reproduction that is the hallmark of Krell amplifiers.
Krell Multi Amp Throughput (MAT), feeds the signal from a single input, balanced or single-ended, to any or all channels, greatly
simplifying the wiring requirements in multi-amplified systems. The Krell Theater Amplifier Standard, KAV-3250, and KAV-2250 can be
used in combinations to deliver 5, 6, 7, or more channels of incomparable amplification as needed in sophisticated home theater and
whole-house systems.
SACD Standard SCAD Player
SACD Standard spaja Krell-ov visoki frekventni opseg i princip visoke dinamike na Super Audio CD platformi. Jedinstven dizajn
šasija u šasiji omogućava ultra stabilan rad disk jedinice sa umanjenjem vibracija.
The SACD Standard marries the Krell high bandwidth, high dynamic-range approach to circuit design to the Super Audio CD
platform. The unique chassis-in-a-chassis design provides ultra stable disc drive operation, while damping induced vibration.
Separate power for digital and analog circuitry maximizes the performance of both sections. A custom-wound toroidal power
transformer offers tremendous current and low noise operation for the analog circuitry. Several stages of regulation insure rock
steady power to all gain stages for maximum dynamic impact.
FEATURES Krell uses high performance, discrete topologies throughout the SACD Standard, including the multi-channel gain
stages. Surface Mount Technology, a state-of the art circuit miniaturization technique, provides the circuit density and signal
transfer capability demanded by complex Krell circuit designs.
Matched 24-bit /192 kHz DACs are used on all channels, and the balanced left and right output circuitry provides optimal stereo
playback. The current output signal of the DACs is fed directly to the Krell Current Mode audio circuitry. Avoiding the deleterious
effect of a current-to-voltage conversion stage contributes greatly to the resolving quality of SACD Standard.
The Krell Current Mode output stage maintains wide signal bandwidth and low level linearity and transmits every bit of detail
available from the SACD format, while a new multi-channel output brings the exciting musical perspective of six-channel sound
to a Krell source. A stylish, discreetly sized remote control offers convenience and easy operation of the SACD Standard,
including the volume control of any Krell preamplifier, preamp/processor or integrated amplifier. RS-232 and 12 VDC trigger input
and output allows for easy integration into large or small custom applications.
Showcase Preamplifier Processor
Showcase je peta generacija Krell predpojačala/procesora za kućni bioskop, koristeći skoro jednu deceniju iskustva u razvoju
referentnog kvaliteta High End Audio Theater (HEAT) sistema.
The Showcase is Krell's fifth generation surround sound preamp/processor, delivering the benefits of almost a decade of
experience in the development of reference-quality High End Audio Theater (HEAT) systems. With the latest in surround
sound technologies, a proprietary digital room equalizer, and an exceptional preamplifier section, the Showcase processor
extends the KAV Series' tradition of Krell engineering and affordability to a new generation.
FEATURES The Showcase is Krell's fifth generation surround sound preamp/processor, delivering the benefits of almost a
decade of experience in the development of reference-quality High End Audio Theater (HEAT) systems. With the latest in
surround sound technologies, a proprietary digital room equalizer, and an exceptional preamplifier section, the Showcase
processor extends the KAV Series' tradition of Krell engineering and affordability to a new generation. State-of-the-art digital
chipsets, operating with upsampled 24-bit precision, control all of the digital signal processing in the Showcase processor.
THX Ultra certified, the processor incorporates advanced technologies, including Dolby Pro Logic II, Dolby Digital EX, THX
Surround EX, DTS NEO: 6, and DTS-ES 6.1. Krell software provides digitally controlled bass management with user-selectable
crossover points, optimizing the system's speaker/subwoofer interface. Following all digital signal processing, the information
is decoded by 24-bit/192 kHz DACs in all 7.1 channels to deliver the most accurate analog signal possible to the preamplifier
stage.
The Showcase processor uses Krell advanced analog circuitry in the critical preamplifier section. The fully balanced design
delivers the extremely wide bandwidth required for accurate reproduction of the current generation of movie soundtracks and
high-resolution audio formats. The analog Preamp mode bypasses all digital circuits, providing the most direct signal path for
multichannel and stereo recordings.
A unique software-based eight-channel digital room equalizer maximizes system performance in any room. For each of four
memory settings, the user can program filter type (high-pass, low-pass, notch, peaking, and high/low shelf), frequency, shape,
and level for all eight channels. This makes it possible to program, for example, independent settings for stereo music,
multichannel music, movie surround, or even video game software. With flexibility that will be appreciated by professional
acousticians, the Digital Room EQ is easy enough to operate as a simple tone control. Krell's digital room equalizer can
transform your family entertainment room into a breathtaking home theater without hiring an architect.
The Showcase processor employs fully discrete video circuitry. With bandwidth greater than 80 MHz, it ensures the integrity
of all progressive and High Definition component signals, while still providing the convenience of on-screen display for all video
signals. Advanced operating features include a host of remote user interfaces, FLASH memory for future software upgrades,
and an intuitive menu-based Smart System Setup. From ease of initial setup to dramatic performances in your home, the
Krell Showcase sets a new benchmark for high performance and value in a preamp/processor.
Showcase Amplifier
Jednostavno elegantano, prefinjeno kućište od brušenog aluminija samo skriva uzbudljive performanse koje se nalaze unutar Krell
Showcase Multikanalnog pojačala.
Simply elegant, the refined brushed aluminum Krellcoat finish only hints at the exhilarating performance that lurks beneath the
exterior of the Krell Showcase Multichannel Amplifier. Every aspect, from sonic performance and power delivery to style and
upgradability, functions in seamless harmony. Available in 5-, 6-, and 7-channel configurations, the Showcase amplifiers are solidly
based on the same legendary Krell technologies found in any of its top-of-the-line-siblings.
FEATURES The foundation of any amplifier is the power supply. A massive 1,500 VA toroidal transformer and 80,000 microfarads
of filter capacitance provide a rock solid power platform impervious to speaker demand or AC line fluctuations. To deliver the most
electrifying experience with today's demanding multichannel music and movie soundtracks, an amplifier must be able to generate
substantial power into 8 ohms… and then double that output when a speaker's impedance is halved to 4 ohms. The Showcase
amplifier module uses eight high-speed power devices to deliver 125 W into 8 ohms and 250 W into 4 ohms.
Featuring technology developed for the Full Power Balanced amplifiers, the Showcase design employs Krell Current Mode circuitry.
Its fully balanced topology ensures the lowest noise and greatest detail retrieval. Class A input, pre-driver, and driver stages provide
the most accurate signal path for critical low level signals.
Previously implemented only in reference-level Krell components, surface mount technology makes possible the high circuit density
required for the widest possible dynamic range and bandwidth.
A modular platform provides an upgrade path for the Showcase 5 and Showcase 6 amplifiers, enabling additional channels to be
installed at any time. The base platform includes input and speaker connections for seven channels, making upgrades a simple
matter when desired.
Krell Showcase DVD Player
Showcase DVD kombinuje izvrstan kvalitet slike sa masivnim dinamičkim udarom i širokim frekventnim opsegom, u predivno
stilizovanom aluminijskom kućištu. Dostupan kao opcija HDMI izlazni stepen pruža 720p i 1080i video rezoluciju.
The Krell Showcase DVD combines superb picture quality with the massive dynamic impact and wide bandwidth, all in a beautifully
styled aluminum enclosure. An available HDMI output stage provides stunning 720p and 1080i video resolutions. Krell Current Mode
circuit topologies combine with balanced circuitry to deliver extraordinary bass and vivid resolution to elevate your home theater
experience.
FEATURES Krell’s precision digital audio decoding circuitry lends enormous impact and a heightened sense of realism to Dolby
Digital and DTS soundtracks. The Showcase DVD produces a brilliant video image through the use of the high bandwidth circuit
architecture pioneered by Krell in the DVD Standard, and offers the latest in DVD video interface through an optional, scalable HDMI
output stage. The high definition resolutions achieved by this innovation fully exploit the performance advantages available from today’s
digital TVs and projectors.
The chassis is elegant and functional. Four massive 6 oz. corner blocks join super-stiff aluminum struts to a heavy steel base plate,
creating a mechanically inert platform for the optical drive and electronics. The result is a drive with an extremely reliable laser pickup
performance and a highly stable clock reference, for near jitter-free audio.
Advanced video signal processing is employed to correct vibration, stair-stepping, cut-off, and other artifacts that commonly occur in
video processing. The optional HDMI feature offers digital video output at 480p, 720p and 1080i resolutions. Full RS-232 compatibility
ensures seamless integration with the most sophisticated home theater control systems. Switchable front and back panel IR emitters
offer extra installation flexibility. A stylish, discreetly sized remote control offers convenient, full function capability.
S-1000 Preamplifier Proccesor
Vrhunska digitalna audio kola koja rade sa 24-bita tačnošću. Podržani su Digitalni audio formati Dolby Digital Surround EX, Dolby Digital 5.1,
DTS 6.1 ES, DTS 5.1, DTS NEO:6, i Dolby Pro Logic II, a u dodatku 9 zaštičenih Krell Music Surround modela.
State-of-the-art digital audio chipsets, operating with upsampled 24-bit precision are utilized. Digital audio formats include Dolby Digital
Surround EX, Dolby Digital 5.1, DTS 6.1 ES, DTS 5.1, DTS NEO:6, and Dolby Pro Logic II, in addition to 9 proprietary Krell Music Surround
modes.Krell software provides digitally controlled bass management with user-selectable crossover points, optimizing the systems
speaker/subwoofer interface. Audio decoding is accomplished with 24-bit/192 kHz DACs, for the most accurate analog signal possible.
Krell Current Mode analog circuitry is utilized in the critical preamplifier section, and a fully balanced de-sign delivers the extremely wide
bandwidth required for accurate audio reproduction.An analog preamp mode bypasses all digital circuits, providing the most direct signal
path for multi-channel and stereo recordings.The S–1000 has 7 single-ended, 1 balanced, and 1 single-ended multi-channel analog audio
inputs, as well as 6 coaxial and 2 optical digital inputs. Both single-ended and balanced analog audio outputs are utilized for all 7.1 channels.
A unique software-based eight-channel digital room equalizer maximizes system performance in any room. For each of four memory settings,
the user can program filter type (high-pass, low-pass, notch, peaking, and high/low shelf), frequency, shape, and level for every channel. Each
of the four memory settings is assignable to a device.
Video circuitry is fully discrete with a bandwidth of up to 350 MHz, ensuring the integrity of all progressive, high definition component, and HDMI
signals. Inputs and outputs for composite, S-Video, component, and HDMI are supported. An on-screen display indicates status and facilitates
system set-up. FLASH memory enables easy software upgrades.
S-1500 Power Amplifier
Novo Krell-ovo pojačalo koje u sebi sadrži legendarne Krell-ove performanse u višekanalnoj tehnologiji sa nadgradivim novim dizajnom.
This new amplifier features legendary Krell amplifier performance in a multi-channel, upgradeable new design. The S-1500 has a flexible
design that delivers five, six, or seven channels of amplification. All three configurations include input and output connections for all seven
channels. The S-1500/5 and S-1500/6 may be easily upgraded with additional channels, up to seven.
POWER Rock solid, linear power supply design renders the S-1500 impervious to speaker demand or AC line fluctuations. A 1,500 VA
toroidal transformer is designed for massive current delivery while maintaining an ultra-low noise profile. A robust, 80,000-microfarad array
of quick-charging filter capacitance offers enormous energy storage that is available in an instant. Surface Mount Technology is utilized in
the amplifier channels to achieve the high circuit density required for wide bandwidth performance. Krell Current Mode, fully balanced
topologies, are utilized for all amplifier channels for the lowest noise and greatest detail retrieval. Class-A circuitry is utilized in the input,
pre-driver, and driver stages to provide the most accurate signal path. Eight high-speed power devices per channel deliver 150 W into
8 Ohms and 300 W into 4 Ohms. The amplifier is stable at any load impedance.
CONNECTIONS All channels support balanced inputs and outputs. High quality, 5-way binding posts allow speaker connections via bare
wires, spade lugs, or banana plugs.
LAT-1000 Loadspeaker
LAT-1000 razbija konvencionalna razmišljanja o podno stoječim zvučnicima. Odziv brzine svetlosti u niskim tonovima otkriva sloj po sloj
dinamičkog kontrasta i spušta se ispod 30 Hz.Srednji tonovi su artikulisani i bez boje i ne kao kod klasičnih elektrostatičkih zvučnika
več sa brzinom i udarom koji je moguć samo kod najboljih dinamičkih jedinica. Reprodukcija visokih tonova je detaljna i proširena, tako
da puno doprinosi impresivnim mogućnostima definicije prostora.
The LAT-1000 shatters conventional thinking about mid-sized, floor-standing loudspeaker performance. Lightning-fast bass response reveals
layer upon layer of dynamic contrast and extends below 30 Hz. Midrange is uncolored and articulate, not unlike that of the classic electrostats,
but with speed and impact that are possible only with the finest dynamic drivers. Treble response is detailed and extended, and contributes
greatly to the impressive imaging capabilities of the LAT-1000.
FEATURES The Krell Lossless Acoustic Transducer LAT-1000 further explores the unique fidelity and dynamics offered by Krell CAST™--Current
Audio Signal Transmission--technology. The LAT-1000 is uniquely capable of reproducing the pure, exceptionally high resolution, wide-bandwidth
signal delivered by Krell CAST components.Separate crossover network assemblies are used for each driver complement (low, mid, and high).
All circuitry is on 1/8-inch thick glass epoxy circuit boards with 4 oz. copper traces, ensuring low microphonics, low resistance, low inductance,
and high current handling. A 2nd-order network at 283 Hz mates new, 8" custom made woofer drivers to the new bass port arrangement. For the
midrange, a second order Bessel high pass filter @ 275 Hz and third order Butterworth high pass filter @ 1,850 Hz optimizes frequency response
and power handling. The tweeter crossover is accomplished with a third order high pass filter @ 2,800 Hz. Network inductors are all air-core pure
copper designs, the largest of which is formed of 10-gauge wire, measuring 6 inches in diameter. Individually potted polypropylene WIMA capacitors
are used in parallel to minimize inductance and resistance, and improve current handling. System impedance curve is extremely smooth, and
sensitivity is a high 91 dB SPL at 1 meter with 1 W input. Custom gold-plated brass binding post terminals assure optimum signal transfer.
A 1-inch (25 mm) tweeter delivers flat response to 50 kHz. A central waveguide optimizes dispersion characteristics. Low compression,
multi-chamber design greatly reduces resonance. A powerful neodymium motor enhances upper frequency response. Two 51/4-inch (15 cm)
midrange feature lightweight magnesium cones for fast response. Rubber surrounds help to eliminate colorations induced by resonance modes.
A proprietary suspension and extended voice coil assure extremely linear performance, and a phase plug promotes clarity throughout the mid-band.
Custom made woofer drivers feature massive, .8mm thick aluminum cones that provide the perfect combination of strength and speed needed to
transmit the power provided by the substantial motor assembly. High tech rubber surrounds dampen unwanted resonances. The low frequency range
of this driver is vastly improved over previous designs.
Resolution 3 Loadspeaker
Resolution 3 pomera konvencionalna razmišljanja o 2-sistemskim zvučnicima. Bilo da se koriste kao osnov za Krell stereo sistem ili kao deo kompleta
za Krell kućni bioskop, Resolution 3 daje dinamički i produženi frekventni opseg.
The Resolution 3 shatters the conventional thinking about 2-way, bookshelf loudspeaker designs. Whether being used as the cornerstone of a fine Krell
stereo system, or as part of a complete Krell HEAT System, the Resolution 3 delivers all of the dynamics and extended frequency response you'd
expect from a Krell Resolution loudspeaker.
FEATURES A 1" (25 mm) tweeter delivers flat response to 50 kHz. Its central waveguide optimizes dispersion characteristics. The 8" mid/bass driver
utilizes an ultra-light magnesium cone for bass precision and low end detail as well as better low frequency projection and impact. A large motor
enhances cone control and lowers distortion. A copper phase plug helps reduce eddy currents for increased midrange accuracy. The tweeter crossover
features a third order Butterworth high pass filter @ 2725 Hz. The mid/bass driver is crossed over via a third order Butterworth low pass filter @ 2700 Hz.
A massive, 2" thick MDF baffle eliminates mechanical driver interaction. All Resolution enclosures are constructed of 1" thick, MDF panels for enhanced
rigidity and immunity to vibration. Heavy internal bracing dramatically reduces cabinet resonance. An elegant, curved enclosure design reduces standing
waves. A tuned port extends low frequency response.Two sets of WBT binding posts offer bi-wire capability.
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