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Speaker Asylum General speaker questions for audio and home theater. |
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Speaker Asylum General speaker questions for audio and home theater. |
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In Reply to: why would a current-source care? posted by Mart on March 28, 1999 at 09:48:40:
Speakers are voltage driven, they demand more current during low impedance excursions. This tests the power amplifiers power supply reserves.Tubes are voltage devices and generally need transformers for getting output impedance down and current up, unless, you have lots and lots of output tubes in parallel, like in an OTL arrangement. Generally and ideally speaking, you would want a constant voltage source with an infinite current supply ability.
A loudspeakers fluctuating reactive load is more of a test of an amplifiers stability and ability to resist oscillation. This is a test of the amp designers skill.
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Follow Ups
- Re: why would a current-source care? - Dave B 12:59:01 03/28/99 (3)
- does this mean... - Mart 12:10:39 03/30/99 (2)
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