need info for Zen-XA amp - diyAudio
Go Back   Home > Forums > Amplifiers > Pass Labs
Home Forums Rules Articles diyAudio Store Gallery Wiki Blogs Register Donations FAQ Calendar Search Today's Posts Mark Forums Read

Pass Labs This forum is dedicated to Pass Labs discussion.

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Thread Tools Search this Thread
Old 11th June 2008, 09:18 AM   #1
diyAudio Member
Join Date: Mar 2008
Default need info for Zen-XA amp


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
  Reply With Quote
Old 11th June 2008, 12:27 PM   #2
diyAudio Member
Join Date: Mar 2008
here is the circuit design....

Click the image to open in full size.

thank you
  Reply With Quote
Old 11th June 2008, 03:39 PM   #3
gl is offline gl  United States
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.

  Reply With Quote
Old 12th June 2008, 12:42 AM   #4
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,
  Reply With Quote
Old 12th June 2008, 06:31 PM   #5
The one and only
Nelson Pass's Avatar
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

Anybody know of a documented problem?
  Reply With Quote
Old 20th June 2008, 03:33 AM   #6
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.
  Reply With Quote


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
Need info on my Onkyo, can't find any info anywhere. gixxierific Digital Source 0 19th April 2009 03:49 PM
How to get cathode bias info from grid bias info? leadbelly Tubes / Valves 8 14th August 2008 04:40 PM
eml 520 v2 info vitalstates Tubes / Valves 2 4th December 2006 10:47 AM
Info ?? lpd Solid State 1 16th August 2006 10:54 PM

New To Site? Need Help?

All times are GMT. The time now is 02:49 PM.

vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.
Copyright 1999-2017 diyAudio

Content Relevant URLs by vBSEO 3.3.2