Anyone have experience with this pp linear hexfet amp? - diyAudio
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Old 13th March 2003, 04:58 PM   #1
qwad is offline qwad  Australia
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Default Anyone have experience with this pp linear hexfet amp?

Hi all, while surfing the net I came across this interesting little circuit at, http:// home eunet cz/rysanek/pdf/irf-fet-amp.pdf the circuit is quite straight forward and easy to build and set up it uses2 IRF COMPLIMENTARY HEXFETS (iRF 532& 9532)IN A COMPLIMENTARY PP CONFIG PUTTING OUT 60w into4 ohm or 32w into 8, I would be interested in your valued opinions of this little circuit
regards to all,
tamŠs
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Old 13th March 2003, 07:13 PM   #2
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Your link is mispelled.
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Old 13th March 2003, 11:32 PM   #3
qwad is offline qwad  Australia
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Default OOps!

Sorry, there seems to be a bit more to it that than I was led to beleive found the right address on another page so try this , hope it works...http://webferret search.com/click? s...et% 2Damp%Epdf
hope this takes you there
Regards, TJB
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Old 14th March 2003, 01:07 AM   #4
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Default First address fixed.

http://home.eunet.cz/rysanek/pdf/irf-fet-amp.pdf
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Old 14th March 2003, 01:32 AM   #5
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This is the application note from IRF about using their products for linear audio amp. Never built it and never heard of someone who built it either.

But IMHO just by looking to the circuit this is a very basic circuit and could be better in some aspect so I don't recommend it.




(BTW the original is at www.irf.com in the application note section)
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Old 14th March 2003, 09:55 AM   #6
AKSA is offline AKSA  Australia
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Good circuit.

Most of the difficult design issues addressed, well documented, simple.

Excellent start point for 'mosfet' sound.

Try it. You won't be disappointed.

Cheers,

Hugh
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Old 14th March 2003, 11:50 AM   #7
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Quote:
Originally posted by AKSA
Good circuit.

Most of the difficult design issues addressed, well documented, simple.

Excellent start point for 'mosfet' sound.

Try it. You won't be disappointed.

Cheers,

Hugh
I think also since this amplifier has been discussed in the forum quite a few times one could probably find something useful in:

HEX-FET 60W/4ohm Amplifier
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