Quad 34 - parts clarification - Page 3 - diyAudio
Go Back   Home > Forums > Amplifiers > Solid State

Solid State Talk all about solid state amplification.

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
Reply
 
Thread Tools Search this Thread
Old 23rd May 2008, 10:44 PM   #21
VivaVee is offline VivaVee  New Zealand
diyAudio Member
 
Join Date: Jun 2004
Location: Auckland, NZ
When you say the "switching bank ICs", do you mean the 4066's? If so, what did you use as a replacement
__________________
Alan
Hope is not a reliable design discipline
  Reply With Quote
Old 24th May 2008, 07:54 PM   #22
johnm is offline johnm  United Kingdom
diyAudio Member
 
johnm's Avatar
 
Join Date: Sep 2003
Location: Hampshire
I'm afraid I was asked politely not to reveal the brand/model no. of the IC chips in question when I upgraded my Quad 34. However I can say that I bought them from the chap who runs the following business:

http://www.fidele.co.uk/QUAD.htm

He was/is extremely helpful, and knows ALOT about the Quad 34 and upgrades. He may have changed his position now and wouldn't mind revealing what chip he uses - see what he says. His prices are very good as well if you want to buy just the ICs from him.

Hope this helps!

- John
  Reply With Quote
Old 25th May 2008, 05:53 AM   #23
VivaVee is offline VivaVee  New Zealand
diyAudio Member
 
Join Date: Jun 2004
Location: Auckland, NZ
Assuming that the replacements were pin-for-pin compatible then there are not many alternatives. The MAX4066A springs to mind. I designed a piece of test gear not so long ago where I used the standard 4066 switches in the protoype then replaced those with the MAX4066 for production.

There are distinctly better switches available but not in a pin-compatible package. A redesign of the cct could reasonably use newer devices with markedly lower distortion and better crosstalk.
__________________
Alan
Hope is not a reliable design discipline
  Reply With Quote
Old 16th March 2010, 04:35 PM   #24
Zigis is offline Zigis  Latvia
diyAudio Member
 
Join Date: May 2005
Location: Riga, Latvia
Anyone now Quad 34 preamp RV2 and RV3 pots value? Tilt and bass regulators.
In schematics are only RV2 and RV3 a and b, no nominals.
My idea is building original tilt and bass schematic from scratch.

Maybe someone of Quad 34 owners can see inside or measure both pots resistance?

Thanks,
Zigis.
  Reply With Quote

Reply


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
FS- Quad ESL-63 frame parts I_Forgot Swap Meet 4 13th June 2010 10:58 AM
An attempt for clarification. Lumba Ogir Solid State 1 4th March 2009 07:46 PM
PPP OPT clarification PeteN Tubes / Valves 13 2nd November 2007 06:20 PM
Newbie needs clarification MlinarS Tubes / Valves 5 9th February 2005 03:02 PM
Parts for the Quad ESL 63 Buhl Planars & Exotics 23 4th December 2004 07:32 AM


New To Site? Need Help?

All times are GMT. The time now is 10:07 AM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright 1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2