Why no CCS in PP output stage? - Page 2 - diyAudio
Go Back   Home > Forums > Amplifiers > Tubes / Valves

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
Reply
 
Thread Tools Search this Thread
Old 8th April 2005, 07:10 AM   #11
diyAudio Member
 
Join Date: Dec 2000
Location: Germany
Bill Beard is using one current source for each tube, bridged by a big capacitor, that is a completely other thing, more a bias regulation, nothing differential.
Reinhard
  Reply With Quote
Old 8th April 2005, 07:16 AM   #12
frugal-phile(tm)
diyAudio Moderator
 
planet10's Avatar
 
Join Date: Oct 2001
Location: Victoria, BC, NA, Sol III
Blog Entries: 5
Quote:
Originally posted by SY
In the linked John Swenson schematic, the input stage is not a phase splitter, it's a plain vanilla single-ended voltage amp.
The V1 version of swenson's amp used a trafo phase splitter. Tony's "preamp" is already a differential stage with balanced output -- the idea was to use the output of that to directly drive the grids of the EL84s.

dave
Attached Images
File Type: gif tony-bitchesbrew-diff6922.gif (7.0 KB, 271 views)
__________________
community sites t-linespeakers.org, frugal-horn.com, frugal-phile.com ........ commercial site planet10-HiFi
p10-hifi forum here at diyA
  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
3C24 in a SE output stage - output transformer impedance recommendation !!! aldovan Tubes / Valves 15 6th September 2008 10:18 AM
preamp output stage resistor from output to V- ? ? Bernhard Solid State 4 19th October 2007 02:55 PM
Output stage biasing, with the driver stage andrew_whitham Tubes / Valves 0 19th May 2007 11:14 AM
Adding secondary of output transformer into cathodes of output stage ? Eico ST-70 freddymac406 Tubes / Valves 3 21st April 2007 06:15 PM
TV Horzontal Output Transistor for output stage..? ronybc Solid State 46 10th October 2005 02:26 AM


New To Site? Need Help?

All times are GMT. The time now is 11:37 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