G6TVJ 80m 100W AM Transmitter

100W AM transmitter for 80m band. Self contained linear amplifier re-tuned for 80m (was 40m). 2 x PL519 valves in parallel, passive grid drive with wide-band input transformer. 10w drive from solid state linear amplifier and crystal controlled exciter.

Separate self contained modulator unit consisting of ECC83 mic amp, CV136 driver, transformer coupled EL34s in push-pull. Woden UM3 modulation transformer.

2 x EL34 modulator unit

2 x PL519 Linear amplifier adjusted for class C and modulated from external modulator.