DYNACO ST-70 User Manual

Preparing the ST70 for the installation of a new PC-3 driver and AB-Q module:
You will need to remove the original 15.6 OHM cathode resistors and cathode connecting wires V2-V3
and V6-V7 according to the following photo.

DYNACO ST-70 Specifications

General

Power Output	35 watts per channel
Output Impedance	4, 8, 16 ohms
Weight	32 lbs
Type	Stereo Tube Amplifier
Frequency Response	20 Hz to 20 kHz
Total Harmonic Distortion	1% at full power
Tube Complement	2x 7199, 4x EL34
Input Sensitivity	1.3 volts RMS for 35 watts output
Dimensions	10.5 x 6.5 inches