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ST-70 tube amp. DYNACO 2nd hand

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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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