Part 4/7:
A significant part of the discussion involves the germanium diodes, specifically the 1N34A model. The speaker notes differences in the specifications and labeling of these diodes, which could explain the voltage differences observed. For example, one diode is labeled as "7 25 Peak reverse voltage, 005 amps, NTE replacement," implying a certain current and voltage rating. Another diode (1N34A-TP) is noted with a different rating—65 volts and 50 milliamps—and is described as a small-signal germanium diode.