Go Back   Home > Forums > >

Headphone Systems Everything to do with Headphones

3 Transistor HP Amplifier with low dist
3 Transistor HP Amplifier with low dist
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
Old 13th June 2021, 05:08 PM   #241
widea is offline widea  Netherlands
diyAudio Member
 
Join Date: Mar 2012
Quote:
Originally Posted by joensd View Post
Your heatsinks are more substantial than what I use.
I have a little plate with low Rth between the BD139 and plate (thin foil) and ~0.7W on it;
the resistors get obviously cooled through the PCB at least a little.
I try to use >=1mm tracks whenever I can; and yes, the PCB is pretty warm too.
Then that explains it. Click the image to open in full size.
  Reply With Quote
Old Today, 08:40 AM   #242
BucketInABucket is online now BucketInABucket  Hong Kong
diyAudio Member
 
Join Date: Aug 2015
Location: Audio heaven
Did a V1.1 of my PCB. Suggestions and criticisms always welcome
Click the image to open in full size.
  Reply to this post

Reply


3 Transistor HP Amplifier with low distHide this!Advertise here!
Thread Tools

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

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Hacking a video dist. for 10mhz ref dist. redrabbit Equipment & Tools 1 9th April 2013 06:56 AM
DIY Dist Pedal: Is this schem correct? Earthscum Parts 10 21st April 2009 11:59 AM
pabo's 0.0008% dist class D module peranders Class D 23 6th April 2006 11:14 AM
Low dist at high frequencies Pan Solid State 3 11th December 2004 11:31 PM
dist on clean tone trip-wire Tubes / Valves 5 25th December 2002 12:49 AM


New To Site? Need Help?

All times are GMT. The time now is 08:51 AM.


Search Engine Optimisation provided by DragonByte SEO (Pro) - vBulletin Mods & Addons Copyright © 2021 DragonByte Technologies Ltd.
Resources saved on this page: MySQL 15.00%
vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2021 DragonByte Technologies Ltd.
Copyright ©1999-2021 diyAudio
Wiki