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Tech Square Technical and speculative discussion of amps, cables and other topics. |
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Tech Square Technical and speculative discussion of amps, cables and other topics. |
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In Reply to: Negative Feedback - Call for Opinions posted by 6AS7_6SN7 on October 16, 2009 at 00:40:02:
If the speaker load isn't a perfect flat 8 ohms, without resonances and especially has areas of capacitance, then the amp has to fix it up with a band-aid to cover the weakness of these speakers. That would be NFB.
A perfect speaker would also be linear and need 1 watt of power for maximum needed volume to keep an amp linear without NFB. Well the speakers are usually not that good, yet some very costly horn systems do approach this ideal.
So what do you want to compromise on? An amp that's compromised and fits poorly designed 2 ohm minimum impedance compromised speakers and buy both compromised components, or an amp that's almost ideal with speakers that are almost ideal and buy both. It takes years of experimenting and spending vast dollars to understand this concept, and then only to find nothing is really perfect as something is always flawed. :-)
-Kurt
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Follow Ups
- NFB is needed for imperfect speakers. - kurt s 10:57:08 11/18/09 (0)
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