Model 400-C
Stereo Master Audio Control
Has 16 input
jacks and 9 controls for any combination of stereo or monaural uses. Provides
for stereo tapes, disc, AM-FM, FM-FM, FM Multiplex and mikes; monaural tapes,
disc, Am, Fm, TV sound, Short-wave and mike; recording stereo or monaural with
monitoring facilities; and, electronic crossover at 650 cps handling monaural
program sources into stereo systems for stereo effects. Four outputs in two
pairs for stereo or monaural use.
Twelve stage
audio circuit with shielded transformer for hum-free performance. Four AC outputs for driving other equipment.
Specifications
Controls:
Input;
Equalization; Output Selector; 3-position Rumble Filter; 3-position Loudness
Contour; Volume and On-Off; Channel Volume Balance; Separate Bass and Treble
and 4 input Level Adjustments.
Type
Set: AC Operated Stereo Amlifier
Frequency
Response: 20 Hz - 25,000 Hz (Uniform)
Distortion: less than 0,15% (for 2 volts output); 0,3%
(for 5 volts)
Hum and
Noise: Better than 85 dB for high level
inputs and 2 volts output; 65 dB for 10
mV low level input and 2 volts output
Tube
Complement: 4 x ECC83; 2 x 12 AT7;
1 x EZ80
Power
Supply: 110 -125 Volts AC, 60 cycles
Power
Rating: 32 Watts, .30 Amp At 117 Volts
Ac
Dimensions
(W x D x H): 15-1/8 x 9 x 4-13/14 inches
Weight: 10 lbs