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Vintage Asylum Classic gear from yesteryear; vintage audio standing the test of time. |
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In Reply to: Re: Question on amplifier design posted by glen65 on December 27, 2003 at 18:11:31:
Complementary and Quasi-complementary output stages are an improvement over the early stages mentioned a few posts earlier - using a huge electrolytic to couple to the speaker. That was the first attempt, using a single-polarity power supply. That was because the DC level at the output, before the capacitor, was 1/2 of the supply voltage.Complementary amplifers use a bi-polar power supply - B+, if we can call it that in SS, is for example, +48 V and -48 V. That allows direct coupling to the load (speaker) since the DC value (called offset) at the output is zero.
Now if someone would only develop a truly complimentary amplifier. Meaning "Take one - it's on us." Guess I've had enuf of the eggnog for this season - I'm hallucinating.
Pat Tobin
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Follow Ups
- Re: Question on amplifier design - AudCon 22:47:01 12/28/03 (0)
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