- 8 -
1, 2 and 3 the volume level can be held equal for all channels; the signal will
remain at a constant loudness when switching from one channel to another. The
master off-on switch is attached to the volume control. This switch controls the
three auxiliary A.C. outlets on the rear panel of the Audio Compensator as well as
the three auxiliary A.C. outlets on the power supply of the C-8P.
The aural compensator may be used to compensate for the response charac-
teristic of the ear at reduced volume. This control decreases the mid-range
frequencies while leaving the low and high frequencies at relatively constant
intensity. By reducing volume level with this control proper balance of the pro-
gram material can be maintained.
GUARANTEE
We guarantee the performance of this equipment and the mechanical and elec-
trical workmanship to be free of serious defects for a period of 90 days. This
guarantee does not extend to components damaged by improper use nor does it
extend to transportation to and from the factory.
McINTOSH LABORATORY INC.
320 Water Street
Binghamton, N.Y., U.S.A.
ELECTRICAL AND MECHANICAL SPECIFICATIONS
Power Source C-8: Any McIntosh Power Amplifier
C-8P: Self-powered
Output Main: 2. 5 volts
Auxiliary: 1 volt
Input level Channels 1 & 2: 70 MV-20 volts
Channel 3: 10 MV
Channel 4: 30 MV (Magnetic Cartridge)
Channel 5: 10 MV (Magnetic or constant
amplitude cartridge)
Frequency Response See Graphs
Harmonic Distortion Less than . 3% at 2. 5 volts output, 20-20, 000 cycles
Hum and Noise -110 db (2. 5 microvolts) or lower, (referred to input)
0 db =.775 volts
Size C-8: 10" x 3-1/2" x 7-1/2
11
Front Panel 11" x 4-1/4"
C-8P: Same
D-8 (Power supply section of C-8P): 5-l/2"x4-3/4"x2-3/8"
Weight C-8: 6 lbs.
C-8P: 8 lbs.
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