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OTL Asylum OTL, Output Transformerless Amplifier User Group. |
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In Reply to: RE: WANTED: Futterman H3 OTL project - Harvard Electronics or Tech Instruments posted by unlisted on June 25, 2022 at 08:59:54:
The boards look good - interesting all of the soldered in fuses...
You would really need to know what the rest of the amp is set up for before putting in uplevel boards. Could be that the elements that interface with the boards might be different / have different values (like voltage). Not familiar with these amps, so don't know what resides off of these boards.
Generally the transistor cans are marked. If they are easy to access, you might try good lighting and a magnifying glass. Sometimes changing the angle of the incident light helps to reveal the markings, particularly if they are old and weakly printed.
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Follow Ups
- RE: WANTED: Futterman H3 OTL project - Harvard Electronics or Tech Instruments - rogerh113 09:43:20 06/25/22 (3)
- RE: WANTED: Futterman H3 OTL project - Harvard Electronics or Tech Instruments - unlisted 10:30:53 06/25/22 (2)
- RE: WANTED: Futterman H3 OTL project - Harvard Electronics or Tech Instruments - rhinohifi714 07:41:23 07/02/22 (0)
- RE: WANTED: Futterman H3 OTL project - Harvard Electronics or Tech Instruments - rogerh113 12:14:32 06/25/22 (0)
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