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INTRODUCTION
Thank you for your purchase of the KRELL PLAYBACK SYSTEM-20 series
component. Influenced by KRELL Reference and Audio Standard Series
componets, the KRELL PLAYBACK SYSTEM-20’s incorporate the latest
developments in Krell technology. Their advanced digital reconstruction
system, input and output connection capabilities, ergonomics, and stunning
aesthetics make the KRELL PLAYBACK SYSTEM-20 series an impressive
statement of audio technology.
KRELL PLAYBACK SYSTEM-20 (KPS-20) series components utilize a top load
design based on a high performance Philips transport mechanism. The
transport is housed in a solid machined block of brass and independently
suspended from the chassis by low-stored-energy isolation mounts. The main
chassis provides the first line of shock energy isolation with its own series of
low-stored-energy suspension mounts, leaving the inertially massive brass
laser chassis to dissipate any residual energy before it can influence the
tracking of the laser. Krell-written micro-code controls all transport functions
and input selections through a custom user interface. This interface is written
with performance and user flexibility as key design goals. Disc stabilization is
accomplished with a custom five point magnetic clamp and proprietary hub
alignment. The heavy motorized cover assembly isolates the compact disc from
ambient light. During playback the underside of the CD is bathed in green
light. This particular light spectrum increases the signal-to-noise of the laser’s
photo-diode which, in turn, increases its reading accuracy.
The KRELL PLAYBACK SYSTEM-20t comes standard with all current digital
output formats: ST fiber optic, AES/EBU balanced, SPDIF coaxial, EIAJ optical
and KRELL Time Sync.
In the KPS-20i and KPS-20i/I the identical transport mechanism is coupled to
an upgradeable software based processor. Data is transferred through custom
filter algorithms performing KRELL written reconstructive software at a 16X
oversampling rate through a Motorola DSP-56002 processor running at 66 MHz.
The 24 bit data is then fed to four differentially configured Burr Brown 20-bit
Colinear DAC’s.
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