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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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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 Randal P on July 31, 2016 at 18:37:17:
if you had a woofer tester or similar, you could directly measure the reflected impedance
here's Bob Crite's two way "first order" network for Eminence's Beta8cx with a Selenium D210ti compression driver. The required 12dB attenuation dropped the needed capacitor value to ~0.44uF for a nominal 3KHz crossover. That's nice as exotic caps would be more affordable. IIRC those autoformers used to sell for around $35US each and have 1dB steps - I think they have enough power handling for most "Klipsch style" situations.
Karlson Evangelist
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Follow Ups
- 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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