need info for Zen-XA amp

space2000 · 11th June 2008, 09:18 AM

hi,

i need information about zen-xa class A amp.

its stated about heat sink 500w disp...what is size is recomended for this amp also need to know about the transformer empire.

thank you
michael

space2000 · 11th June 2008, 12:27 PM

here is the circuit design....

thank you

gl · 11th June 2008, 03:39 PM

Hi space2000,

That circuit has been on KK's site for a long time. To my knowledge no one (including KK) has ever built it. In general there are a number of things in his schematics that are questionable (IMO).

I'm not trying to discourage you. I'm just advising caution.

You would be better advised to build one of the many designs on this site that have been thoroughly debugged.

Graeme

space2000 · 12th June 2008, 12:42 AM

thanks to all....i am pleased to understand that this circuit is not good for diy. thats why i asked all of you.

thanks again,
MICHAEL

Nelson Pass · 12th June 2008, 06:31 PM

Looking at it, I have no reason to think that the circuit wouldn't
work. Even if it there is a problem, it would presumably be
fixable.

Anybody know of a documented problem?

woody · 20th June 2008, 03:33 AM

What turns the irf9610's on? There doesn't appear to be a dc voltage source applied to the gate.

11th June 2008, 09:18 AM	#1
space2000 diyAudio Member Join Date: Mar 2008	need info for Zen-XA amp hi, i need information about zen-xa class A amp. its stated about heat sink 500w disp...what is size is recomended for this amp also need to know about the transformer empire. thank you michael

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11th June 2008, 12:27 PM	#2
space2000 diyAudio Member Join Date: Mar 2008	here is the circuit design.... thank you

11th June 2008, 03:39 PM	#3
gl diyAudio Member Join Date: Dec 2003 Location: Sierra Foothills - California	Hi space2000, That circuit has been on KK's site for a long time. To my knowledge no one (including KK) has ever built it. In general there are a number of things in his schematics that are questionable (IMO). I'm not trying to discourage you. I'm just advising caution. You would be better advised to build one of the many designs on this site that have been thoroughly debugged. Graeme

12th June 2008, 12:42 AM	#4
space2000 diyAudio Member Join Date: Mar 2008	thanks to all....i am pleased to understand that this circuit is not good for diy. thats why i asked all of you. thanks again, MICHAEL

12th June 2008, 06:31 PM	#5
Nelson Pass The one and only Join Date: Mar 2001	Looking at it, I have no reason to think that the circuit wouldn't work. Even if it there is a problem, it would presumably be fixable. Anybody know of a documented problem?

20th June 2008, 03:33 AM	#6
woody diyAudio Member Join Date: Jan 2002 Location: Tyrone Ga. U.S.A.	What turns the irf9610's on? There doesn't appear to be a dc voltage source applied to the gate.