[HAM] +67VAC on Leslie122 chassis

OF scott195 at centurytel.net
Mon Jan 15 12:31:58 CST 2007


At 10:13 AM 1/15/2007, hammondb3 at bellsouth.net wrote:

>Hello I have a 122 leslie that has +67VAC on its chassis thus the B-3 has 
>+67VAC in its ground. It is a later model yellow metal amp without 
>death-caps I believe. Do I have a bad tranny? does 67v ring a bell?  thanks

You're sure it's AC and not DC? And do you know the 67V isn't coming from 
the organ ground? Is the voltage still there on tremolo speed?

If not, I'm wondering if this could happen if one of the .1 MFDs leading to 
the 6550s has shorted out. Or the cathode bypass cap. That's only supposed 
to have 25V, but that's on the other side of the 150 Ohm resistor-- dunno 
how much voltage should be on the other side.




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