12AT7 Regen in action!
After about 3 weeks of on and off construction, this receiver has the following: (1) 6AU6 - Receive pre-amplifier (2) 12AX7 - Audio amplifier (3) 12AT7 - Detector and audio amplifier. (4) Variable ground control for coil (5) RF Antenna input attenuator (6) Heaters all running on 6.3vac (7) 50-250vdc plate voltage usable (8) frequency ranga: ~560khz - 4.5mhz
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HH Electronic S500-D Power Amp Modification
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This single ended class A tube amp sings! And costs less than $200 on Aliexpress.
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