Specifications

The BASS control can boost or cut the low
frequencies by as much as 12dB It has 21 detent
positions 10 for boost, 10 for cut and a center FLAT
or OFF position
When either the TREBLE or BASS control is placed
in the center FLAT or OFF position all tone control circuit
elements are removed from the signal path
INPUT SELECTORS
Two input selector switches are provided Each
switch as eight positions The RECORD switch selects
which program source is fed to the TAPE OUT jacks and
AREA B. The LISTEN switch selects the program source
that feeds the AREA A power amp and speakers. This
allows one to RECORD one program while LISTENING
to another
PHONO/AUX, CD1, CD2, TUNER, TAPE 1, TAPE 2
TAPE 3 and VIDEO are the input program sources
LOUDNESS
The LOUDNESS control, (small center knob), provides
frequency response contoured to compensate for the
behavior of the human ear at lower listening levels At
the fully counterclockwise position, the loudness contour
is electrically flat As the control is turned clockwise,
selected frequencies increase in the correct proportion
for proper listening at softer volume levels The
frequency balance is not affected by changes in the
volume control settings First adjust the volume for the
desired listening level Then adjust the LOUDNESS
control for the preferred compensation
BALANCE
The BALANCE control, (large outer knob), adjusts the
volume of the channels relative to each other
L (left) Turning the control to the left accents the left
channel by reducing the volume of the right channel
R, (right) Turning the control to the right accents the
right channel by reducing the volume in the left channel
At the center detent position both channels are equal
VOLUME
A motor driven precision VOLUME control is provided
Left and right sections are electronically trimmed for
superior tracking over the operating range
An electronic volume control is used for the AREA
B output
PUSHBUTTON SWITCHES
RECORD LOCK
This button disables commands from other areas so
recordings cannot be interrupted
MUTE
Should you desire to silence the system briefly,
touch the MUTE button A red indicator next to the
MUTE button will blink, and the program will be silenced
at the MAIN, SWITCHED 1 and 2 outputs Press the
button again to un-mute. The mute does not affect the
tape outputs or area B
MONO
The mono button adds the left and right program
signals together to provide a monophonic signal at the
AREA A MAIN, SWITCHED 1 and SWITCHED 2
OUTPUTS MONO does not affect the TAPE outputs
or AREA B
SPEAKER 1 AND 2
The SPEAKER 1 and 2 buttons switch on or off the
program signals at the SWITCHED 1 and 2 AUDIO
OUTPUT jacks on the C38 rear panel When the
optional SCR3 speaker relay is being used with the C38,
the pairs of speakers connected to the relay terminals
1 and 2 will also be switched on or off The LED
indicators will light to show which switched output has
been selected
POWER
The red button turns the C38 on. The panel will
illuminate to indicate the program source that has been
selected and special operating modes
HEADPHONE JACK.
The C38 has sufficient built in power capability to
feed a low impedance dynamic headphone connected
to the HEADPHONE jack.
REAR PANEL INFORMATION
AUDIO
The C38 has 3 groups of audio jacks on the rear
panel, AUDIO INPUTS, RECORD and LISTEN
The AUDIO INPUTS are PHONO, AUX, CD 1, CD 2,
TUNER, TAPE 1, TAPE 2, TAPE 3, and VIDEO
MclNTOSH LABORATORY INC., 2 CHAMBERS STREET, BINGHAMTON, NEW YORK 13903
C38 Product Preview/Page 4