Little BTL Amplifier - ZIPPO BTL - Page 2 - diyAudio
Go Back   Home > Forums > Amplifiers > Headphone Systems

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
Reply
 
Thread Tools Search this Thread
Old 15th April 2012, 05:23 PM   #11
MoonL is offline MoonL  Hong Kong
diyAudio Member
 
Join Date: Aug 2011
Quote:
Originally Posted by ChicagoJTW View Post
What is the purpose of the third op amp?
2 of the opamps are for BTL
1 of them is the buffer before VR
  Reply With Quote
Old 15th April 2012, 05:25 PM   #12
MoonL is offline MoonL  Hong Kong
diyAudio Member
 
Join Date: Aug 2011
Thank you for you all...
My friend is very happy that his DIY is like by you all~~
  Reply With Quote
Old 18th April 2012, 04:56 PM   #13
diyAudio Member
 
Join Date: Apr 2012
This is GREAT ONE! I would build it with other output jack, more like 3,5mm one and i have one question, do you have a cirquit for this amp? I would really like to build for myself this one. Thanks for posting this masterpiece!
  Reply With Quote
Old 13th May 2012, 01:06 PM   #14
diyAudio Member
 
Join Date: Feb 2011
That's amazing that can be fitted inside a zippo. Could you share photo of the other side of PCB?
  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
TDA7294 in BTL Einric Chip Amps 4 26th February 2011 02:38 PM
TDA7294 in BTL ruferto Chip Amps 6 26th January 2011 12:19 PM
TA7250BP BTL IC amplifier problem h3ad Chip Amps 4 24th October 2007 01:14 AM
LA4743B Car stereo BTL 4-channel (45 W x 4) power amplifier IC emuman100 Chip Amps 2 15th March 2004 06:21 AM


New To Site? Need Help?

All times are GMT. The time now is 09:06 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