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.

1400w amp in 4 ohms
1400w amp in 4 ohms
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
Closed Thread
Thread Tools Search this Thread
Old 14th January 2008, 12:58 PM   #11
dell is offline dell  Philippines
diyAudio Member
Join Date: Nov 2005
Default amp

What about using the sample applications of LM4702? Is worth trying?
Old 14th January 2008, 01:08 PM   #12
Workhorse is offline Workhorse
diyAudio Member
Workhorse's Avatar
Join Date: Dec 2004

Check this
Old 11th June 2009, 05:45 PM   #13
doug79me is offline doug79me  Kenya
diyAudio Member
Join Date: Apr 2009
Default esp project 117

pls can someone assist me in the biasing of this circuit coz tome its working but does the mpsa 42 and mje340,350 on the biase side have to overheat any assistance willbe appreciated
Old 11th June 2009, 05:45 PM   #14
doug79me is offline doug79me  Kenya
diyAudio Member
Join Date: Apr 2009
Default esp 117

there are 2 different cct of p117 one has 680ohms resistorwhile the other has 2.2 kohms on the bd681 transitor pls help for a genuine one
Old 12th June 2009, 01:24 AM   #15
unclejed613 is offline unclejed613  United States
diyAudio Member
unclejed613's Avatar
Join Date: Dec 2006
esp's website has a builder's forum for this amp. several builders have made them successfully
Vintage Audio and Pro-Audio repair ampz(removethis)@sohonet.net
spammer trap: spammers must die
Old 30th January 2013, 02:12 PM   #16
nithinmukund is offline nithinmukund
diyAudio Member
Join Date: Jan 2013
1.5kw any chenge this circute for better qality?
Old 30th January 2013, 03:22 PM   #17
Telstar is offline Telstar  Italy
diyAudio Member
Join Date: Dec 2007
Location: Italy
Resurrection? Isn't it a bit early?
"The response of the inner ear extends to at least 200khz" Dr W. Tempest
Old 25th May 2013, 09:51 AM   #18
lm324 is offline lm324  Brazil
diyAudio Member
Join Date: Nov 2004
Location: São Paulo
Originally Posted by djk View Post
If you actually want a working amp, don't even think about the ESP design.

What I would so would be to build the Super Leach and go from two output sets per side to six output sets per side. With the proper transistors and a couple of other minor changes it will run from ±135V.

The difference of why this amp will work, and the ESP will not work is the series connected output stage.



What "other minor changes" ?


Old 25th May 2013, 09:56 AM   #19
AndrewT is offline AndrewT  Scotland
Join Date: Jul 2004
Location: Scottish Borders
Can we ask that this Thread be closed?
regards Andrew T.

Closed Thread

1400w amp in 4 ohmsHide 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
ISOBARIC 16 ohms load powered by 8 ohms Amp eddi0 Subwoofers 24 21st October 2006 03:29 PM
Speakers: 8 ohms vs. 16 ohms KT Multi-Way 2 14th April 2006 05:06 PM
4 ohms vs 8 ohms carieux22 Everything Else 5 16th July 2005 12:53 AM
where to buy 16 ohms l-pad ger56 Multi-Way 0 11th October 2004 11:11 PM
zen on 4 ohms trancy Pass Labs 5 29th February 2004 06:54 PM

New To Site? Need Help?

All times are GMT. The time now is 04:26 PM.

Search Engine Optimisation provided by DragonByte SEO (Pro) - vBulletin Mods & Addons Copyright © 2018 DragonByte Technologies Ltd.
Resources saved on this page: MySQL 15.79%
vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2018 DragonByte Technologies Ltd.
Copyright ©1999-2018 diyAudio