2 class A SE amplifiers: need suggestion! - Page 2

claudio · 23rd March 2002, 10:51 PM

Thanks Paulb for the article.

Which type of IRFP150 do you suggest to use? And from what brand? I found the N type by International Rectifier in my country.

Thanks

lohk · 25th March 2002, 12:51 AM

ricardo,

can you post your amp schematic image as a gif once again - it came in a almost unreadable state.
If this is not possible, put a link here.
I could not reach the posted link either.

Klaus

Asen · 25th March 2002, 02:04 AM

A russian DIY-er reported the original hybrid amp sounds good but suffers a DC offset at the output.

Some people reported the virtual battery affects the bass performance.

If I was making the Follower 99 for speakers with decent sensitivity (circa 90-94 dB) I'd use a regular PSU - just caps, no chokes, semiconductors, etc.

Regards

ralf · 25th March 2002, 03:08 PM

I had build generosos hybrid+, with pcb`s, bought from Mr. cozza.

Because i would save time in building my own pcb.

But - the hybrid+`s never worked. the mosfets blowed and after several attmpts and stupid mails with Cozza i gave up.

Meanwhile i build a Bosoz/Soz project which works really fine.
best amp i ever had!

Ralf

rickpt · 25th March 2002, 09:47 PM

here is the link again: http://www.raunvis.hi.is/~matti/hifi.html

hope this time works

ps: if it dosent work, search in this link page: http://members.tripod.lycos.nl/Aren/id47.htm

25th March 2002, 03:08 PM	#14
ralf diyAudio Member Join Date: Dec 2001 Location: Germany	my hybrids doesnt work , too I had build generosos hybrid+, with pcb`s, bought from Mr. cozza. Because i would save time in building my own pcb. But - the hybrid+`s never worked. the mosfets blowed and after several attmpts and stupid mails with Cozza i gave up. Meanwhile i build a Bosoz/Soz project which works really fine. best amp i ever had! Ralf

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23rd March 2002, 10:51 PM	#11
claudio diyAudio Member Join Date: Feb 2002 Location: Italy	Thanks Paulb for the article. Which type of IRFP150 do you suggest to use? And from what brand? I found the N type by International Rectifier in my country. Thanks

25th March 2002, 12:51 AM	#12
lohk diyAudio Member Join Date: Apr 2001 Location: Austria, near Linz	ricardo, can you post your amp schematic image as a gif once again - it came in a almost unreadable state. If this is not possible, put a link here. I could not reach the posted link either. Klaus

25th March 2002, 02:04 AM	#13
Asen diyAudio Member Join Date: Jan 2001 Location: Sofia	A russian DIY-er reported the original hybrid amp sounds good but suffers a DC offset at the output. Some people reported the virtual battery affects the bass performance. If I was making the Follower 99 for speakers with decent sensitivity (circa 90-94 dB) I'd use a regular PSU - just caps, no chokes, semiconductors, etc. Regards

25th March 2002, 09:47 PM	#15
rickpt diyAudio Member Join Date: Jan 2002 Location: portugal	here is the link again: http://www.raunvis.hi.is/~matti/hifi.html hope this time works ps: if it dosent work, search in this link page: http://members.tripod.lycos.nl/Aren/id47.htm

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