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Marantz MA-9S2 - Block Diagram

Marantz MA-9S2
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SC-11S1
Stereo Control Amplifier
The SC-11S1 stereo control amplifier focuses a wealth of new circuitry
on reproducing music’s finest moments. It is a preamplifier that is
both totally new and classically Marantz.
Today’s musical sources demand ultra-wide frequency response and
superior channel separation for convincing musicality. Although aimed
primarily at stereo reproduction, the SC-11S1’s F.C.B.S (Floating
Control Bus System) allows easy expansion and operation for those
who enjoy the many forms of multi-channel material. At the same time,
the SC-11S1 honors legacy sources like the LP with a phono stage
incorporating a newly developed Marantz-proprietary circuit.
Parts quality reflects our premium-only philosophy. For example, the
SC-11S1 incorporates the newest SA3 version of Marantz’s acclaimed
Hyper Dynamic Amplifier Module (HDAM®). This high speed circuit
defines the SC-11S1’s ability to accurately track rapidly changing
audio signals.
The phono equalizer is yet another example of Marantz innovation.
Conventional designs often impart a different – and disconcerting –
sonic characteristic to low and high frequencies. Marantz engineers
designed a circuit that eliminates those sonic discontinuities. The
result is extremely accurate and convincing phono reproduction with
the cartridge of your choice.
The SC-11S1’s volume control exhibits exceptional accuracy and no
audible “stepping” noises. The controller lets you select exact volume
settings easily and is unaffected by aging or temperature variations.
The SC-11S1’s fully independent headphone output adds a new
measure of clarity to personal listening. The front panel display
provides information on input selection and level among other
parameters. You can turn the display off for distraction-free listening.
The aluminum-faced remote accesses a selectable subsonic filter, tone,
and level trim, and balance adjustments so you can choose the best
combination for your tastes and source materials.
All active circuitry draws on a high-precision linear power supply based
on an aluminum-encased toroidal transformer that far surpasses
conventional noise-free requirements. The chassis itself is also heavy-
duty and features a new aluminum top plate for resonance control.
There’s a natural fluidity to everything you’ll hear through this
remarkable preamplifier. It adheres to Marantz tradition but sets
new standards in long-term listenability. It is, after all, a Marantz
Reference component.
“The more technology becomes complicated inside, the more it has to
be simple outside.”
- Derrick De Kerckhove, Author and former director, the
McLuhan Program in Culture & Technology at the University of Toronto
For the sake of music ...
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