audio research
ST-70-C3

Description
Tube stereo power amplifier. Remake of Dynaco Stereo 70 reusing only the chassis and the transformers.

The newsletter from July 29 1974 is announcing the release of the ST-70 factory rebuild, but that never actually happened. It was finally released as a kit through Old Colony Sound Lab (Audio Amateur's parts division) in 1977. The 4/77 issue of Audio Amateur included complete plans for the ST-70-C3.

Introduced
1977

Discontinued
?

Revisions
-

Options
-

MSRP (US new retail)
?

Specifications

Power output 35 Watts per channel
Power bandwidth  
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Input sensitivity  
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Output taps  
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Overall negative feedback  
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Hum & noise  
Power supply energy storage  
Power requirements  
Tube complement (2 matched pairs) 6L6, (4) 6CG7/6FQ, (3) 12AX7
Other  
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