2x Gain pure op-amp headphone amp idea - Page 4 - diyAudio
Go Back   Home > Forums > Amplifiers > Headphone Systems
Home Forums Rules Articles diyAudio Store Gallery Wiki Blogs Register Donations FAQ Calendar Search Today's Posts Mark Forums Read

Headphone Systems Everything to do with Headphones

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 10th September 2011, 02:05 AM   #31
diyAudio Member
Join Date: Aug 2011
Originally Posted by Rembrant View Post
You don't need to. The PC power supply has +12, -12v, and ground. The molex has +12, +5 and ground. You can tap the -12v from the board connector.
Tapped it. Needs extra filtering, but will do the trick while the project is still on the proto-board. Abandoned biasing altogether. Will build a proper PSU when it's done.
Originally Posted by jcx View Post
also check out The Objective2 (O2) Headphone Amp DIY Project

the associated home page links to pretty complete design Blogs on parts selection, parallel op amps and lots more
This is probably the best advice. Learned a lot. Adopted the basic idea. Enough said.
  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
An idea for a 6N7 headphone amp Bitrex Headphone Systems 3 5th July 2009 11:09 PM
Pure Class A Single End Amplifier Idea! Dxvideo Solid State 91 1st September 2008 10:54 AM
Help with headphone amp gain saurus Headphone Systems 5 16th December 2005 06:56 AM
Headphone amp idea.... robselina Headphone Systems 23 27th May 2005 06:43 PM
OTL 6L6 headphone amp-idea+need help trespasser_guy Headphone Systems 16 25th March 2003 01:26 PM

New To Site? Need Help?

All times are GMT. The time now is 10:40 AM.

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