WE429A similar to 6V6? - Page 2 - diyAudio
Go Back   Home > Forums > Amplifiers > Tubes / Valves
Home Forums Rules Articles diyAudio Store Gallery Wiki Blogs Register Donations FAQ Calendar Search Today's Posts Mark Forums Read

Tubes / Valves All about our sweet vacuum tubes :) Threads about Musical Instrument Amps of all kinds should be in the Instruments & Amps forum

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 2nd November 2009, 07:04 PM   #11
45 is offline 45  Italy
diyAudio Member
45's Avatar
Join Date: Dec 2008
Location: UK
The triode-strapped 429a in the schematics should have Rp = 2.2K and mu = 15 approximately.

  Reply With Quote
Old 3rd November 2009, 10:19 AM   #12
CFT is offline CFT  United States
diyAudio Member
Join Date: Jul 2006
Location: Hong Kong
Blog Entries: 2
Thanks Kevin and 45 for the info.

In parafeed design one does not need to care much about the primary impedance, but the ratio of the transformer.....true?

In this case Kevin, you think I can try out the A-20 as a parafeed tranny in a 26 tube preamp? How about as an input tranny? Thanks!
  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
C37 similar material tube-lover Multi-Way 27 22nd July 2013 06:14 PM
similar to SKA djk Solid State 6 7th June 2007 03:28 PM
re-using Sillpads and similar AndrewT Parts 0 22nd January 2007 02:20 PM
looking for similar FET Ahmad_tbp Solid State 5 6th May 2006 09:26 PM

New To Site? Need Help?

All times are GMT. The time now is 08:19 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