This amplifier was found in a tube equipment manual from 1947. The high-fidelity circuit has pentode tubes at the output and a source with transformer.
This stabilized source can supply currents up to 200 mA with the indicated transistor or 500 mA...
This circuit was obtained in a Popular Electronics of the 90s. The circuit is compatible with...
The 1: 1 transformer on this circuit found in a 1967 Electronics World can be wrapped around a...