Dynaco ST 79 Service Manual
This is the 18 pages manual for Dynaco ST 79 Service Manual.
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Extracted text from Dynaco ST 79 Service Manual (Ocr-read)
Page 1
SERIAL NUMBER
I
STEREO/O
INSTRUCTIONS FOR
This number must be men-
tioned in all communications
concerning this equipment.
ASSEMBLY
OPERATION
.uum
law 8 3: mm mLmv Bust!
k H u.
W F Mow _ \ , W
'i, " " ' 7
"50 ,. \ INPV \
DVNAKIV SIERIO 70 \ VDlAM? raw
v > w
L punw u> 1w
Price $1.00
Page 2
Power Output
Frequency Response
Power Response
Intermodulation Distortion
Hum and Noise
Sensitivity
Output Impedances
Damping Factor
Minimum Channel Separation
Power Consumption
P reamp Provision
Tube Complement
Size
Weight
Finish
SP ECIFICATIONS
35 watts continuous, 80 watts peak each channel
t .5 db from 10 cps to 40 kc
20 cps to 20 kc within 1 db of 35 watts at less than 1% distortion
Less than 1% at 35 watts (normally about .570). Less than .0570 at 1 watt
Inaudible; better than 90 db below rated power
1.3 volts rms input for 35 watts out
4, 8, 16 ohms each channel
15
55 db
190 watts 50/60 cps
Two power takeoffs with independent heater windings to eliminate
interaction. Each 6.3 volts 1 amp, 350 volts dc 10 ma. Dynakit pre-
amplifiers plug in directly without modification.
EL-34 (4), 7199 (2), GZ-ZA/fiARlly selenium rectifier.
13" by 9-1/2" by 6-1/2" high
32 pounds
Chassis and bottom plate bright nickel plated. Cover finished in
charcoal brown vinyl paint.