ST-70 tube amp. DYNACO 2nd hand

Ad Information
Ad Description
CALL&TEXT ONLY IN MY CP# THIS IS MY PERSONAL PRODUCT!
Specifications:
Power Output: 35 watts continuous, 80 watts peak each channel.
Frequency Response: .5 dB from 10 cps to 40 kc.
Power Response: 20 cps to 20 kc within 1 dB of 35 watts at less than 1% distortion.
Intermodulation Distortion: Less than 1% at 35 watts (normally about .5%). Less than .05% at 1 watt.
Hum and Noise: Inaudible; better than 90 dB below rated power.
Sensitivity: 1.3 volts rms input for 35 watts out.
Output Impedances: 4, 8, and 16 ohms each channel.
Damping Factor: 15.
Minimum Channel Separation: 55 dB
Power Consumption: 190 watts 50/60 cps
Preamp Provision: Two power takeoffs with independent heater windings to eliminate interaction. Each 6.3 volts 1 amp, 350 volts dc 10 ma. Dynakit preamplifiers plug in directly without modification.
Tube Complement: EL-34 (4), 7199 (2), GZ-34.
Size: 13" by 9-1/2" by 6-1/2" high.
Weight: 32 pounds.
Finish: Chassis and bottom plate bright nickel plated. Cover finished in charcoal brown vinyl paint.
Designed by:
Ed Laurent, Bob Tucker
Year Introduced:
1959
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