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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 15, 2020 at 06:59:22:
Well the fact that the leads were disconnected made it a good bet that someone had already sorted out that the transformer had failed.
This is clearly a custom part. So you could have one designed and made up, which would likely run you about $500-$750.00. Or you could use a number of separate transformers to make up the voltages needed. The 6.3V filament winding is probably available as an off-the-shelf toroid. You might be able to find the other voltages except for the B+ for the output tubes- my guess is a custom transformer will be needed for that. Getting all this to fit under that power transformer cover might be a trick. But you might also have room for the smaller transformers (Bias and driver power supply) beneath the chassis.
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Follow Ups
- 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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