Go Back   Home > Forums > >
Home Forums Rules Articles diyAudio Store Blogs Gallery Wiki Register Donations FAQ Calendar Search Today's Posts Mark Forums Read

Solid State Talk all about solid state amplification.

2stageEF high performance class AB power amp / 200W8R / 400W4R
2stageEF high performance class AB power amp / 200W8R / 400W4R
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 16th September 2018, 02:54 PM   #2761
astx is offline astx  Austria
diyAudio Member
 
Join Date: Jan 2011
Location: Tyrol / Austria
2stageEF high performance class AB power amp / 200W8R / 400W4R
R24, R25: discharge lytics. The small DC current which can flow through 44R is too small to offset your toroids working point...
__________________
Hint: have a look at first post of my threads for an updated index!
  Reply With Quote
Old 18th September 2018, 08:54 AM   #2762
Walkalone is offline Walkalone  Viet Nam
diyAudio Member
 
Join Date: May 2011
Location: Ho Chi Minh city
Thanks Tony,

Waiting for your new amps. So many things to learn.

Regard,
  Reply With Quote
Old Yesterday, 12:42 PM   #2763
astx is offline astx  Austria
diyAudio Member
 
Join Date: Jan 2011
Location: Tyrol / Austria
2stageEF high performance class AB power amp / 200W8R / 400W4R
Default AC mains DC Blocker

... got pcbs ...

BR, Toni
Attached Images
File Type: jpg mains_dc_blocker_1.jpg (210.6 KB, 107 views)
File Type: jpg mains_dc_blocker_2.jpg (279.3 KB, 100 views)
__________________
Hint: have a look at first post of my threads for an updated index!
  Reply With Quote
Old Today, 06:52 AM   #2764
thimios is online now thimios  Greece
diyAudio Member
 
Join Date: Aug 2009
Location: Agrinion
Beautiful!
Is it a simple way to know if a d.c voltage is present in main voltage?
  Reply With Quote
Old Today, 08:47 AM   #2765
astx is offline astx  Austria
diyAudio Member
 
Join Date: Jan 2011
Location: Tyrol / Austria
2stageEF high performance class AB power amp / 200W8R / 400W4R
Default AC mains DC Blocker

... using a 50/60Hz filter ...

WARNING: very dangerous to measure! DO NOT DO IT unless you know what you are doing!


You not always have DC on mains. It depends on the devices that are currently consuming power.


BR, Toni
Attached Images
File Type: png detect_ac_mains_dc.png (91.7 KB, 57 views)
__________________
Hint: have a look at first post of my threads for an updated index!

Last edited by astx; Today at 08:51 AM.
  Reply With Quote
Old Today, 10:20 AM   #2766
thimios is online now thimios  Greece
diyAudio Member
 
Join Date: Aug 2009
Location: Agrinion
Thanks Toni, yes i know main isn't forgiven.
  Reply With Quote

Reply


2stageEF high performance class AB power amp / 200W8R / 400W4RHide 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

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
f5 based high power class ab amplifier 400kg Solid State 7 28th July 2014 02:21 PM
Contest: Linear Power Amp in a mint tin (class Aa, class AB, or class B) danielwritesbac Chip Amps 206 19th January 2013 08:52 PM
High End AB Class Amp - Need recomendation velicko Solid State 19 12th November 2007 05:42 AM
Ultra-High performance OpAmp-based MOSFET Power Amp tlf9999 Solid State 20 7th September 2005 09:41 PM


New To Site? Need Help?

All times are GMT. The time now is 03:56 PM.


Search Engine Optimisation provided by DragonByte SEO (Pro) - vBulletin Mods & Addons Copyright © 2018 DragonByte Technologies Ltd.
Resources saved on this page: MySQL 15.00%
vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2018 DragonByte Technologies Ltd.
Copyright ©1999-2018 diyAudio
Wiki