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Old 30th June 2010, 12:21 PM   #1
PauloPT is offline PauloPT  Portugal
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Question Is this amplifier any good? Asking advice please.

Hi all!

I was wondering if this amplifier has good performance:


eBay.ie: Current-mode power amplifier K170/J74 C5200/A1943 /PCB (item 320542990509 end time 03-Jul-10 14:37:08 BST)

I'm thinking to build it but I have not decided yet. I'd like some advice please. Is it any good? . How it would compare with Rod's Elliot P101 and the Symasym for example?

Thank you.
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Paulo.
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Old 30th June 2010, 02:32 PM   #2
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This is a current-feedback-amplifier and it seems to be a good choise of semiconductor. The current-mirror ist the only thing, that I whould change. A simple current-mirror has better dynamic properties.

But you can not point from the circuit diagram to the sound. I only can say, if this circuit works, the amplifier should not be sound bad.

regards
Patrick
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