Leslie 122 amplifier grid and cathode voltage check @retrochad
Leslie 122 amplifier grid and cathode voltage check  @retrochad
Uploaded December 2012 | Updated September 2026, 4 days ago
This amp was blowing the under-chassis fuse so we put in NOS Tung-Sol 6550 tubes and this seems to have cured the problem but now we are checking just to make sure the tubes' voltage parameters are good.
Leslie 122 amplifier grid and cathode voltage checkJanssen player piano playing Fascinating Rhythm1980 Magnavox VCR Repair with 1979 Magnavox Color TVSony ICF-6700W communications receiver FM dial scanThanks to westernelectric1500 for new equipment!EKCO model B726 battery powered tube radio before repairs1950 Truetone AM/FM tube type radio chassis test1965 Rowe JAN Jukebox Microswitch testingEarly 1950s Zenith model H-615 radio repair part 31980s Homemade 12-volt power supplyHammond C3 Organ Completed Repair and brand new Hammond-Suzuki Leslie overview.1960s Janssen/Welte-Mignon Player Piano Test
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Leslie 122 amplifier grid and cathode voltage check

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