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High Efficiency Speaker Asylum Need speakers that can rock with just one watt? You found da place. |
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In Reply to: RE: Wiring autoformer as HF attenuator posted by freddyi on July 31, 2016 at 16:32:59:
It is shown in parallel with the autoformer's primary winding (taps 0 and 15). The tweeter is connected to two secondary taps, so I suppose it is in parallel with the tweeter as well.It looks like the attached image (at least for the HF portion). Werner indicated on this (and my) diagram that the variable resistor was for rolloff. From what you are saying without it the value of my 3uF cap (6,500hz) may be seen as smaller (7,000-8,000hz). In my case, it is not critical because of the slow first order rolloff and the gradual natural rolloff of the Altec 414c, but being able to use the variable resistor to tweak the crossover frequency would be a nice feature. Any idea of the range it would vary?
Edits: 07/31/16 07/31/16 07/31/16
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Follow Ups
- RE: Wiring autoformer as HF attenuator - Randal P 16:51:55 07/31/16 (7)
- RE: Wiring autoformer as HF attenuator - freddyi 17:41:42 07/31/16 (6)
- RE: Wiring autoformer as HF attenuator - Randal P 18:37:17 07/31/16 (5)
- RE: Wiring autoformer as HF attenuator - freddyi 21:32:03 07/31/16 (4)
- RE: Wiring autoformer as HF attenuator - Randal P 09:03:54 08/01/16 (3)
- RE: Wiring autoformer as HF attenuator - D Mike 09:22:48 08/01/16 (2)
- RE: Wiring autoformer as HF attenuator - Randal P 12:53:49 08/01/16 (1)
- RE: Wiring autoformer as HF attenuator - freddyi 15:28:05 08/01/16 (0)
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