Description: Dynaco ST70 modified,Circuit completely re-designed,For each channel,one 6KT8 input, phase inverter,four 6KT8 to control current and regulate the screen voltage of the four EL34 output tubes,this linearizes the EL34, stabilizes the current, screen voltage,as a result, very low distortion.See the oscilloscope testing screens for the measured performances.20W clean power on 8 ohm load verified.Excellent square wave response, flat response from 20Hz to 20kHz, low noise, excellent sounding.Bias current was set at around 40mA, screen voltage was regulated at around 260V.Balance of output current can be adjusted.Free local pickup in Hong KongAsk me to quote the shipping cost if you don't see one for your location.
Price: 800 USD
Location: Hong Kong
End Time: 2024-10-05T15:55:09.000Z
Shipping Cost: 380 USD
Product Images
Item Specifics
All returns accepted: ReturnsNotAccepted
Brand: Dynaco
Type: Tube Amplifier
Model: ST70
Country/Region of Manufacture: United States
