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RE: What's the best sounding 6550 amp you ever heard, DIY , vintage, or commercial?

Mine! DIY mono-blocks based on Kevin Carter's fully differential, transformer coupled, PP parallel design. Lundahl amorphous core iron, cascode current source "tails", choke input PS and Audio Note tantalum resistors in signal path. Running the four 6550s differential with a current source "tail" limits the amps to 16W class A. However, it's the cleanest 16Ws I've ever heard.


"It is better to remain silent and thought a fool, then speak and remove all doubt." A. Lincoln


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  • RE: What's the best sounding 6550 amp you ever heard, DIY , vintage, or commercial? - JKT 08/7/0917:39:43 08/7/09 (0)

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