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.

900W H-class PA Amp with Limiter
900W H-class PA Amp with Limiter
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 14th March 2010, 10:10 AM   #81
apexaudio is offline apexaudio  Serbia
diyAudio Member
 
apexaudio's Avatar
 
Join Date: Feb 2010
Location: Serbia
Quote:
Originally Posted by oldmaelstrom2 View Post
Step Driver schematic from Zeck Audio power amplifier PT series?
Yes, step driver from Zeck PT-9 upgrade with extra higher voltage fets.

Last edited by apexaudio; 14th March 2010 at 10:34 AM.
  Reply With Quote
Old 15th March 2010, 09:51 AM   #82
qsa is offline qsa  Germany
diyAudio Member
 
qsa's Avatar
 
Join Date: May 2007
will add Class H Step Driver in Quasis NMOS Amplifier schematic

after finished schematic will upload here, lets check for faults

hope it will work
  Reply With Quote
Old 15th March 2010, 11:02 AM   #83
andrewlebon is offline andrewlebon  India
diyAudio Member
 
andrewlebon's Avatar
 
Join Date: Feb 2008
Default power amp

hi qsa

greetings how is power amp n mos sounding and stability
trying to make it but gerber files to complicated any new modifications
please let us know will keep trying as i have all components
thanking you
andrew lebon
  Reply With Quote
Old 15th March 2010, 11:55 AM   #84
apexaudio is offline apexaudio  Serbia
diyAudio Member
 
apexaudio's Avatar
 
Join Date: Feb 2010
Location: Serbia
Quote:
Originally Posted by qsa View Post
will add Class H Step Driver in Quasis NMOS Amplifier schematic

after finished schematic will upload here, lets check for faults

hope it will work
I have no expirience with amplifiers in H or G class which using mosfet in output stage. With BJT have no problem.
  Reply With Quote
Old 17th March 2010, 04:26 AM   #85
savu is online now savu  Ireland
diyAudio Member
 
savu's Avatar
 
Join Date: Feb 2007
Location: Dublin - Cluj
Send a message via MSN to savu
Quote:
Originally Posted by apexaudio View Post
Do anyone want to DIY something like that?
Hello apexaudio. I am concidering to DIY the amplifier after i will finish a 2KW SMPS project with my girlfriend (helping her to learn electronics for school). Thank you for the the PCB design.
__________________
1'st rule of chess:
The only way to get smarter is by playing a smarter opponent.
  Reply With Quote
Old 17th March 2010, 10:36 AM   #86
andrewlebon is offline andrewlebon  India
diyAudio Member
 
andrewlebon's Avatar
 
Join Date: Feb 2008
hi apex audio
greetings pcb ready inserting components some pics

thanking you
andrew lebon
Attached Images
File Type: jpg P1553[01]_17-03-10.jpg (126.5 KB, 5315 views)
File Type: jpg P1553_17-03-10.jpg (178.0 KB, 5146 views)
  Reply With Quote
Old 17th March 2010, 11:24 AM   #87
apexaudio is offline apexaudio  Serbia
diyAudio Member
 
apexaudio's Avatar
 
Join Date: Feb 2010
Location: Serbia
Quote:
Originally Posted by andrewlebon View Post
hi apex audio
greetings pcb ready inserting components some pics

thanking you
andrew lebon
Nice work, dont forget wire jumper.
Attached Images
File Type: jpg APEXaudio H900 PCBMON.jpg (555.5 KB, 5097 views)
  Reply With Quote
Old 17th March 2010, 11:30 AM   #88
apexaudio is offline apexaudio  Serbia
diyAudio Member
 
apexaudio's Avatar
 
Join Date: Feb 2010
Location: Serbia
Quote:
Originally Posted by savu View Post
Hello apexaudio. I am concidering to DIY the amplifier after i will finish a 2KW SMPS project with my girlfriend (helping her to learn electronics for school). Thank you for the the PCB design.
I am interested about this 2kW SMPS, can it give 4x55V DC?
  Reply With Quote
Old 17th March 2010, 09:19 PM   #89
savu is online now savu  Ireland
diyAudio Member
 
savu's Avatar
 
Join Date: Feb 2007
Location: Dublin - Cluj
Send a message via MSN to savu
Quote:
Originally Posted by apexaudio View Post
I am interested about this 2kW SMPS, can it give 4x55V DC?
the original schematic I will use actually delivers 2 x 60V dc. but it can be modified. i will keep you informed about the way things are going.

regards,
__________________
1'st rule of chess:
The only way to get smarter is by playing a smarter opponent.
  Reply With Quote
Old 17th March 2010, 09:28 PM   #90
apexaudio is offline apexaudio  Serbia
diyAudio Member
 
apexaudio's Avatar
 
Join Date: Feb 2010
Location: Serbia
Quote:
Originally Posted by savu View Post
the original schematic I will use actually delivers 2 x 60V dc. but it can be modified. i will keep you informed about the way things are going.

regards,
Then can be used two in series circuit
  Reply With Quote

Reply


900W H-class PA Amp with LimiterHide 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
900w amp module for sale nigelwright7557 Swap Meet 1 15th May 2017 09:36 PM
Nakamichi PA-7 & PA-5 Bias Setting? sourceoneaudio Solid State 6 8th March 2012 12:37 PM
About a very very simple class D PA amp gaetan8888 Class D 8 13th March 2009 02:21 PM
Class-d for a 1kw PA amp MikeHunt79 Class D 4 30th December 2007 06:19 PM
200w Amp + 900w Sub = explosion? 56k Warning Daemonicus Subwoofers 2 31st May 2006 04:30 AM


New To Site? Need Help?

All times are GMT. The time now is 04:08 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