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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: Dun Mei... posted by mmcc73 on September 11, 2020 at 14:13:40:
They are wired in a totem pole configuration.
The 120V winding is likely the output section high voltage. Is there continuity between the right pin marked '120V' and the 3rd 2nd pin from that (also marked '120v')? If yes then they are the high voltage and the amp is using a bipolar power supply.
Are there other windings on the other side of the transformer? Does it make voltages when power is connected to the primary? If this is intimidating, take it to a technician to see. Not worth getting zapped...
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Follow Ups
- The amp uses 6AS7G power tubes. - Ralph 15:28:13 09/11/20 (9)
- Dun Mei... - mmcc73 09:04:46 09/12/20 (8)
- You don't need a load on the transformer, and the smaller tubes are signal tubes nt - Ralph 08:21:32 09/14/20 (7)
- Dun Mei... - mmcc73 06:59:22 09/15/20 (6)
- bad transformer - Ralph 08:17:32 09/15/20 (5)
- Dun Mei... - mmcc73 12:03:52 09/15/20 (4)
- transformer windings - Ralph 12:05:50 09/15/20 (3)
- Transformers... - mmcc73 12:16:28 09/15/20 (2)
- RE: Transformers... - Ralph 12:26:51 09/15/20 (1)
- Dun Mei... - mmcc73 14:11:39 09/15/20 (0)
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