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ENGLISH
3
MAIN FEATURE OF PRODUCT
7 The concept: channel separation
for super wide range & dynamic
audio
We think its of the utmost importance to extend high frequency
response as well as channel separation so you can hear the
true meating of Super Audio.
This is why we have designed the input and output circuitry,
volume control section, and power supply circuits according
to this philosophy.
The result: an astonishing channel separation of over 100dB
at 20kHz.
7 Fully balanced control amp with
an linear volume control
The SC-7S2 is a full balanced, two-channel control amp
providing the channel separation you need for Super Audio.
Based on our own high quality four-gang active volume control
we have developed an even better linear control volume that
reduces gang errors from 0 to 100dB, ±0.5dB. By adding an
additional HDAM SA (Hyper Dynamic Amplifier Module), we
improved the Common Mode Reject Ratio (CMRR)
dramatically, attaining an incredible ultra-wide frequency band
of 150kHz and succeeded in producing the perfect control
amplifier for Super Audio CD.
7 HDAM SA
The feedback impedance of the Current Feedback circuit was
reduced to its minimum to make it faster. We developed a new
Hyper Dynamic Amplifier Modules (HDAM), a separeted
module operating as a buffer for the amplifier. The SC-7S2
has four HDAM SA on each input-output buffer and another
four units on the V/I converter.
7 Choke input system
In the power supply section, the choke input topology was
adopted to drastically reduce rectifier harmonic noise. This
system is especially suitable for a control amplifier in which
very small signal amplification occurs.
7 Floating control bus system
We make it possible to synchronously drive two or more control
amps by using a floating control bus system connected to as
many as 6 sets of control amplifiers. We also enable you to
trim levels using the remote control, making it easy to set up
the optimal sound field on a multi-channel configuration. The
highest achievable stereo performance can be accomplished
when a system configured with two sets of SC-7S2 and four
sets of MA-9S2 are connected in a bi-amped mode.
You will experience superb sound with unbelievable channel
separation.
SC-7S2 UN DFU 01 ENG 1/3 06.8.9, 1:52 PMPage 3 Adobe PageMaker 6.5J/PPC
7


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