JL Sargent Posted May 10, 2009 Share Posted May 10, 2009 This is a 60s era Hammond E100 series tonewheel organ. Tube pre and power amps. Mono amp is about 40watts IIRC. It has this weird problem. Scenario 1: I turn it on and let it warm up for a minute or two and start playing. If I play bass tones loudly a wave of static/hum will move across the speakers. If I keep playing it will worsen. If I stop playing it will kinda die off on its own. A quick off/back on usually will usually correct the problem. Scenario 2: I turn it on and wait 15 minutes. Organ plays fine without static or hum and does so until its turned off most of the time. My first thought was replace the power amps rectifier? Any ideas? Quote Link to comment Share on other sites More sharing options...
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