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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: One ESL manufacturer who did something potentially lethal posted by Brian Walsh on January 5, 2014 at 21:34:08:
Sounds like, from what you wrote, that the mylar bias supply AND the audio step-up transformers were both also located outboard. Is that correct? If so, therefore, the DWs were not directly driven. That doesn't detract from your point that they were potentially dangerous. Those cables would have to be very thick, as you suggest. Any resistance would potentially drop the voltages to possibly ineffective levels. Back in the day, I heard the DWs once or twice. I always thought they sounded like what they were: vibrating gas bags. But I never noticed the huge umbilicals or the outboard electronics box.
In a way, I miss those days of outrageous audio innovation and experimentation, where crazy products like that would actually make it to market. The Beveridge speakers are no exception.
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Follow Ups
- Were those DWs directly driven? - Lew 11:13:37 01/06/14 (9)
- it is not the wire that needs to be thick :) - Penguin 09:05:53 01/11/14 (3)
- I was thinking of the outer diameter, insulation and all - Lew 11:34:06 01/13/14 (2)
- the Innoxx production amp - Penguin 19:34:39 01/13/14 (1)
- RE: the Innoxx production amp - Lew 09:30:19 01/14/14 (0)
- RE: Were those DWs directly driven? - tyu 09:45:00 01/07/14 (4)
- RE: Were those DWs directly driven? - Lew 13:12:38 01/07/14 (3)
- Sound lab bias........ - tyu 02:48:34 01/08/14 (1)
- RE: Sound lab bias........ - Lew 07:12:45 01/08/14 (0)
- RE: Were those DWs directly driven? - tyu 13:59:31 01/07/14 (0)
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