Go Back   Home > Forums > Amplifiers > Chip Amps

Chip Amps Amplifiers based on integrated circuits

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 8th May 2005, 03:12 AM   #1
diyAudio Member
Join Date: Feb 2005
Location: Watertown, NY
Default important question please help me

i need a schematic on how to build a power supply with a transformer with secondaries of +21V,-21V(2 wires) to power 2 channels(2 parallel opa549s in each channel) i think you need to use relays am i right? im confused somebody help me out plz
  Reply With Quote
Old 8th May 2005, 04:44 AM   #2
djk is offline djk
diyAudio Member
djk's Avatar
Join Date: Feb 2001
Location: USA
  Reply With Quote
Old 8th May 2005, 08:26 PM   #3
diyAudio Member
Join Date: Feb 2005
Location: Watertown, NY
i meant to supply both channels with one transformer. is it better to use one rectifier and hook both channels to the pwr supply (both+V on amp to V+ output on supply) or is it better to use a seperate rectifier and capacitors for each channel?
  Reply With Quote
Old 8th May 2005, 10:24 PM   #4
diyAudio Moderator
pinkmouse's Avatar
Join Date: Apr 2002
Location: Chatham, England
The latter.
I conceive of nothing, in religion, science or philosophy, that is more than the proper thing to wear, for a while. Charles Fort
  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
Question on what is more important B+ or Plate Voltage john65b Tubes / Valves 60 6th September 2007 05:57 AM
Important!!! Clarkcr The Lounge 4 15th September 2004 03:34 AM
where is short wiring in an amp important/ not important ? sandro600 Solid State 5 4th April 2004 03:10 AM
Bl important? pkgum Multi-Way 2 1st January 2002 04:07 PM

New To Site? Need Help?

All times are GMT. The time now is 08:30 PM.

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