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Class A [message #10144]

Mon, 23 February 2004 05:33

Adrian Mack
Messages: 568
Registered: May 2009

Illuminati (1st Degree)

How much "better" does a true Class A amplifier really sound compared to a good Class AB amplifier?

Does anyone know of any high power Class A amps in existance, above 50WPC? All the ones I've seen are lower than 20WPC.

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Re: Class A [message #10145 is a reply to message #10144]

Mon, 23 February 2004 10:50

Wayne Parham
Messages: 18675
Registered: January 2001

Illuminati (33rd Degree)

Class A amps naturally have no crossover distortion. The best Class AB amps reduce this to next to nothing, and I guess that's the key for comparison. But you're right that Class A amps are usually pretty limited in power.

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Re: Class A [message #10146 is a reply to message #10145]

Tue, 24 February 2004 07:03

Adrian Mack
Messages: 568
Registered: May 2009

Illuminati (1st Degree)

Have you listened to a Class A amp before Wayne?

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Re: Class A [message #10147 is a reply to message #10146]

Tue, 24 February 2004 11:37

Wayne Parham
Messages: 18675
Registered: January 2001

Illuminati (33rd Degree)

Oh, sure. Tons of 'em. I have a few of'em here. Some "store bought" and some homemade. They're actually the easiest kind of amp to design and build.

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Re: Class A [message #10148 is a reply to message #10144]

Sat, 28 February 2004 02:09

Ian Mckenzie
Messages: 1
Registered: May 2009

Esquire

Wayne,

The better class amp amps excell in fine details and resolving power.

See Diyaudio.com Passlabs forum for details of +50 watt designs

Ian

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