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OTL Asylum OTL, Output Transformerless Amplifier User Group. |
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OTL Asylum OTL, Output Transformerless Amplifier User Group. |
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In Reply to: RE: OK- its an older 12-tube model posted by ChasLieb on September 25, 2015 at 14:34:03:
Are you OK with checking voltages as you did in the M-60?
You don't have to remove the bottom cover. Just take a power tube out of the socket from the left bank and one from the right bank. Then locate the index of the socket and count 5 pins clockwise; that is one of the grids of the power tube. What is the voltage? You can measure it with respect to the chassis.
We need the grid voltage on the left and right banks.
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Follow Ups
- RE: OK- its an older 12-tube model - Ralph 13:17:23 09/28/15 (9)
- RE: OK- its an older 12-tube model - ChasLieb 18:42:31 09/28/15 (8)
- RE: OK- its an older 12-tube model - ChasLieb 18:52:46 09/28/15 (7)
- All the 6SN7s must be in place and as many of the power tubes as possible. - Ralph 09:28:56 09/29/15 (4)
- RE: Somehow it involved a fuse - ChasLieb 17:16:52 09/29/15 (3)
- RE: Somehow it involved a fuse - Ralph 18:29:25 09/29/15 (2)
- RE: Somehow it involved a fuse - ChasLieb 19:01:39 09/29/15 (1)
- RE: Somehow it involved a fuse - Ralph 10:02:22 10/01/15 (0)
- RE: OK- its an older 12-tube model - Lew 06:42:09 09/29/15 (0)
- RE: OK- tested the grid voltages on all 6as7 sockets - ChasLieb 19:05:35 09/28/15 (0)
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