Go Back   Home > Forums > Amplifiers > Tubes / Valves
Home Forums Rules Articles Store Gallery 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

diyAudio Sponsor

Search for a tube at thetubestore.com                            Product reviews and more

Audio tubes for any amplifier: from high end home audio to classic guitar amps.

Quick links by tube type: 12AX7, EL34, 6L6, KT66, 6550, KT88, EL84, 12AU7, 12AT7, 6922, 6H30, 300B, 6V6, 6SN7 

Reply
 
Thread Tools Search this Thread
Old 8th September 2010, 01:44 AM   #21
SY is offline SY  United States
diyAudio Moderator
 
SY's Avatar
 
Join Date: Oct 2002
Location: Austin, TX
Blog Entries: 1
Doubling the tubes will lower the source impedance (not that it will matter much) but the gain and swing are unlikely to change. If you're using the tubes to drive a phase splitter, the source impedance advantage will be practically nonexistent.
__________________
“Listening to records is like ****ing a picture of Brigitte Bardot.” - Sergiu Celibidache
  Reply With Quote

Reply


Hide this!Advertise here!

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
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
MC preamp input stage (BJT based) questions jason12 Analogue Source 5 5th May 2010 05:12 PM
Help with input stage driver for EL84 output stage AudioGeek Tubes / Valves 2 20th March 2010 01:38 AM
How to design input stage with specific input impedance/pot value mahleriana Tubes / Valves 0 16th November 2009 09:37 PM
Input xfmr, diff stage, CCS questions zigzagflux Tubes / Valves 14 13th November 2008 11:31 AM
current bias j-fet input 2sk170 ,2sj74 at input stage YUTK Solid State 11 2nd June 2005 03:34 AM


New To Site? Need Help?

All times are GMT. The time now is 09:40 PM.

Page generated in 0.05865 seconds (62.03% PHP - 37.97% MySQL) with 11 queries

Copyright ©1999-2012 diyAudio