audmod01
Super Member
For those who are familiar with the Fisher Custom Electra III, I notice that there are two push-pull amplifier circuits for stereo with the chassis pair. The radio tuner chassis has 6BQ5 output tubes and has a transformer with a 2.5 ohm output impedance. The companion separate amp for the other channel has 6BQ5 output tubes and a transformer with 4, 8 and 16 ohm taps. Why the odd 2.5 ohm output from the radio tuner chassis? I have seen 3.2 ohm speakers but not a 2.5 ohm speaker. Who made the 2.5 ohm speaker?
Joe
Joe