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I have a 21H and it sound good except for this scratchy sounding static that comes and goes. It is not a consistant noise and it isn't as noticable when playing the 1937 BC it is hooked up to. Can anyone point my to some possible diagnosis? I have change the power tube recently but the sound was there before I changed the tube.
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Usually that is from the smaller tubes like the 12AU7 or tubes in the organ, which I have found it more often the case. Bad capacitors are another suspect on the older amps.Hammonds: A; AB; B3; D; E; 6-M3's; 2-A100; T582C.
Leslies: 3-31H; 21H, 22H, 4-44W; 46W; 25; 47; 45; 125; 50C; 51; 55C; 2-120; 122; 122A; 145; 147; 245; 770; 825; 2-102; 2-103; 300.
Wicks 2/5 pipe organ; Yamaha upright; Kurzweil Micro Piano & Micro B with M-Audio Oxygen 61; Yamaha DGX520; Wurlitzer 4100 (it came with a Leslie!). Peavey KB100 keyboard amp. Peavey Bass Guitar. Yes, I have A. D. (acquisition disorder) and don't want it cured. -
Turn the Leslie amp volume all the way down. If the noise is still there, it's in the Leslie amp. If it goes away with the volume down, then it's from the organ.
GeoComment
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Thanks for the ideas. I've changed the 12AU7s in the Leslie and the Leslie is a bit quieter when not playing. I've turned the volume down on the Leslie and the sound goes away. So it is off to the BC to see what is causing the noise.Comment
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