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'Unknown Hum Source!'
Author:Surfsup (registered user: 929 posts )
Date: Wed, Feb 22nd, 2012 @ 19:21 ( . )

Your thread is long. Do younhave a 100/100ohm false centertap for the heater circuit?

Did you "headphone" the OT relative tomthe PT before you drilled and mounted it in? What direction are they both mounted, laminations?

You have the pt/ot hokked up, rectified with only the plates and screens of the power tube and the rest of the dropping string is disconnected?

Where is your powertube cathode connected? Where is your speaker ground connected? Is there a pic somewhere?

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Replies:
--* Unknown Hum Source!
2/22/2012 @ 19:38--randelli
2/22/2012 @ 20:04----Chris A
2/22/2012 @ 21:18------randelli
2/22/2012 @ 21:33--------Chris A
----------* Reform bad Electrolytic Caps?
2/23/2012 @ 06:45----------Surfsup
2/23/2012 @ 20:41------------Henry Ramsey
2/23/2012 @ 20:59--------------randelli
2/23/2012 @ 21:18----------------Henry Ramsey
2/23/2012 @ 21:24------------------randelli
2/23/2012 @ 21:34--------------------Henry Ramsey
2/23/2012 @ 21:41----------------------randelli
2/23/2012 @ 21:55------------------------Henry Ramsey

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