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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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In Reply to: Re: Harmonic Multiplication in Linear Devices posted by Scott Frankland on May 9, 2003 at 11:51:44:
I'm glad to note that we are discussing something useful to audio designers. In reality, we usually still have to use both local and loop feedback, but it is not as easy to decide which or how much, as some would think. ;-) For example, if you take mosfets, jfets and perhaps tubes, and then make a differential pair from them, you completely change the distortion. It goes from 2'nd with a little 3'rd (probably expansive) to almost pure compressive 3'rd. Is this good? Is this bad? Are the advantages of direct coupling, total distortion reduction, bias stability, etc, etc worth the change in the harmonic series? This is what real analog designers wrestle with every day, and why many tube designs stay single ended at the input stage.
WW is tough to get, but contact me first, if you need something. I might be able to help. The very BEST AES bargain is the CD rom collection of almost everything for about $400. I have it and love it, especially the stuff published 20 years ago and more.
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Follow Ups
- Re: Harmonic Multiplication in Linear Devices - john curl 05/9/0315:57:17 05/9/03 (3)
- From Pianos to Amps - mfc 19:59:42 05/9/03 (2)
- Re: From Pianos to Amps - john curl 22:20:47 05/9/03 (1)
- Re: From Pianos to Amps - mfc 21:02:30 05/12/03 (0)
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