Mcintosh Laboratory has earned a world wide reputation for its technical contributions for
improved sound reproduction. Mcintosh products incorporate an advanced level of technical
innovations that have integrity proven by time. The Mcintosh "Classic" design is also recogniz-
ed as the most outstanding in the industry.
Mcintosh products are designed to be maximum user friendly, so anyone can enjoy using
them. Another Mcintosh design policy is to provide products that are easy to maintain. The
legendary reliability of Mcintosh products is a matter of record since 1949.
The C38, Remote Controlled, System Control Center is a perfect example of a simple, yet
elegant instrument which will allow you to enjoy outstanding music reproduction together
with a wide range of convenient operating functions. The C38 has a built-in capability of con-
trolling two separate listening areas. The LISTEN signals are defined as Area A which is usually
the main area where all the sound equipment is located. The RECORD signals are available
at a pair of outputs marked B, and can be used for a remote area with its own dedicated
power amplifier and pair of speakers.
Data ports are provided for seven audio remote controlled accessories. This feature allows
you to control a compatible unit by transmitting with its hand held remote controller direct
to a C38 sensor. A data port is also provided to control the optional Mcintosh MVS-3 Video
Selector for switching video signals in addition to audio signals. Another data port connects
to the optional Mcintosh HC-1 Home Controller to allow control of accessories or appliances.
The convenience of C38 remote control operation is enhanced by its capability of directly
interfacing with the Mcintosh CR10 Remote Control System. The CR10 can add an additional
four remote areas of control.
There are eight pairs of high level inputs to accommodate all the traditional program sources
as well as the most recent new sources. A pair of low level inputs is also provided that will
accept signals from a moving magnet phono cartridge in a record player. Digital Logic in-
tegrated circuits drive Electromagnetic Switches on all inputs and operating functions for the
most reliable and distortion free switching available.
Separate RECORD and LISTEN circuits allow recording from one source while listening
to another. A continuously variable Active Loudness Control allows loudness compensation
to be selected for any setting of the volume control. The Loudness Control circuit elements
are removed from the circuit path when the control is in the flat or fully counterclockwise
position.
Bass and Treble tone controls provide 12dB of boost or cut. At the center "Flat Response"
or detent position of the tone controls, all tone control circuit elements are removed from
the signal path.
Two Signal Processor loops are provided. One is for Listen signals and one is for Record
signals. Power supply voltage regulator circuits maintain stable operation even though the
AC power line may vary. Double shielding of the power transformer completely isolates it from
the audio circuits. This eliminates the need for a clumsy outboard power transformer used
by some less sophisticated designs.
Front panel pushbuttons control two switched outputs as well as two pairs of speakers
when an optional SCR3 switching relay is added.
The Mcintosh C38 "Classic Glass" front panel has all control, switch and pushbutton
nomenclature illuminated.
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INTRODUCTION
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