Dynakit

ST-70 (1988) (Rev. 2)

Amplifier, Power

Main Details
Maker Dynakit Brand Dynaco Brand Dynakit Sound Values Company Sound Values, Inc. Company Geoff Pomeroy Designer
Function
Additional Model ID Stereo 70
Signal Path Analog Hardware
Made In United States
Date Produced 1990
Dimensions
(H × W × D)
Weight 32lbs
Power Source 50/60Hz 190W
Frequency Response 10Hz-40kHz ±0.5dB
Notes Newly manufactured kits by Sound Values, Inc (formerly Stereo Cost Cutters) built to original ST-70 standards after stock of prior buy-out components sold out.

With the supply of 7199s depleted, the 6GH8 was substituted in a revised model by Geoff Pomeroy consulting for John Peterson of Sound Values.
Additional Specifications
Output Power 35W
Output Power (Peak) 80W
Power Response (35W, 1% THD) 20Hz-20kHz ±1dB
IMD (1W) 0.05%
IMD (35W) 1%
SNR 90dB
Damping Factor 15
Channel Separation 55dB
Output Impedances 4/8/16Ω
Output Tubes EL-34
Tube Complement EL-34 (x4), 6GH8 (x2), GZ-34/5AR4
Finish Charcoal Brown

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