WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
Building, troubleshooting and testing of these amplifiers should only be
performed by someone who is thoroughly familiar with
the safety precautions around high voltages.
folks,
the Tamura HN-1 preamp transformer has a feedback winding on the primary with terminals labeled 'E' and 'NFB'. question: which goes to the tube cathode and which goes to ground?
TYVM,
