Go Back   Home > Forums > Amplifiers > Solid State
Reload this Page QUASI Amplifier for Beginners
Home Forums Rules Articles Store Gallery Blogs Register Donations FAQ Calendar Search Today's Posts Mark Forums Read

Solid State Talk all about solid state amplification.

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
Page 43 of 78 « First 334142 43 444553 Last »
 
Thread Tools Search this Thread
Old 25th June 2011, 09:09 PM   #421
yohnsee is offline yohnsee  Hungary
diyAudio Member
 
Join Date: Jul 2010
Location: Bekescsaba
Thanks a lot, lineup!
__________________
The bird is the word...
  Reply With Quote
Old 27th June 2011, 08:52 AM   #422
diyAudio Member
 
apexaudio's Avatar
 
Join Date: Feb 2010
Location: Serbia
Default DIY Amp Case
Suggestion for simple and low cost diy cases for amps.
Attached Images
File Type: jpg P6010141.JPG (66.0 KB, 718 views)
File Type: jpg P6010142.JPG (69.5 KB, 702 views)
File Type: jpg P6010143.JPG (79.4 KB, 670 views)
File Type: jpg P6010144.JPG (66.7 KB, 605 views)
File Type: jpg P6010145.JPG (59.9 KB, 585 views)
  Reply With Quote
Old 27th June 2011, 07:38 PM   #423
amptech is offline amptech  Scotland
diyAudio Member
 
Join Date: Jan 2009
Location: Glasgow
Send a message via MSN to amptech
could do with air flow holes....
  Reply With Quote
Old 4th July 2011, 11:44 AM   #424
diyAudio Member
 
Join Date: Aug 2009
Thumbs up APEX CLASS B 500W
[QUOTE=apexaudio;2196885]Quasi complementary amplifier based on old Dynacord. For begginers Class B without adjust.[/QUO

hope this may help.this what i do when i have nothing to do at office.enjoy.

input capacitor used tantalum capacitor in series. same value as the original.

check for possible mistakes.i have not try this board.

im glad to help miles in his generosity.
Attached Files
File Type: pdf 500w amp APEX.pdf (41.7 KB, 370 views)
File Type: pdf 550w amp TOP VIEW.pdf (52.7 KB, 314 views)
  Reply With Quote
Old 7th July 2011, 03:28 AM   #425
diyAudio Member
 
ariyanto's Avatar
 
Join Date: Apr 2011
Location: Indonesia
Mr. parts list to be displayed if?
Last edited by ariyanto; 7th July 2011 at 03:30 AM.
  Reply With Quote
Old 7th July 2011, 05:14 AM   #426
diyAudio Member
 
Join Date: Aug 2009
Default Parts list,parts name and schematic of apex 500 watts
Quote:
Originally Posted by ariyanto View Post
Mr. parts list to be displayed if?
Enjoy!
Attached Files
File Type: pdf 550w amp.pdf (19.3 KB, 262 views)
File Type: pdf 550w amp FOIL PATTERN.pdf (42.1 KB, 262 views)
File Type: pdf 550w amp schematic.pdf (29.7 KB, 295 views)
File Type: pdf 550w amp TOP VIEW.pdf (52.1 KB, 243 views)
  Reply With Quote
Old 7th July 2011, 06:20 AM   #427
diyAudio Member
 
aman khalsa's Avatar
 
Join Date: Oct 2010
Location: punjab
nice work...
  Reply With Quote
Old 7th July 2011, 07:04 AM   #428
radio is offline radio  Macedonia
diyAudio Member
 
radio's Avatar
 
Join Date: Oct 2009
Location: Bitola MACEDONIA
Hello all!
This is the image amplifier!!!
Cheers
Attached Images
File Type: jpg Figure 2 (550W amplifier).JPG (330.6 KB, 296 views)
  Reply With Quote
Old 7th July 2011, 07:53 AM   #429
diyAudio Member
 
ariyanto's Avatar
 
Join Date: Apr 2011
Location: Indonesia
Quote:
Originally Posted by drowranger View Post
Enjoy!
Ok ..... thank you sir?
  Reply With Quote
Old 7th July 2011, 09:22 AM   #430
radio is offline radio  Macedonia
diyAudio Member
 
radio's Avatar
 
Join Date: Oct 2009
Location: Bitola MACEDONIA
Hi!
I want to create an audio amplifier in the 500W class-AB!
I ask for some help to replace some of the bias diodes D3 and D4 with variables bias circuits with transistor BD139 or similar!
thanks
Last edited by radio; 7th July 2011 at 09:27 AM.
  Reply With Quote

Reply
Page 43 of 78 « First 334142 43 444553 Last »

« Previous Thread | Next Thread »

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
MOSFET/BJT QUASI AMPLIFIER WITH PROTECT!!! apexaudio Solid State 40 21st November 2012 01:37 PM
A.Holton AV400 using irfp or Quasi mosfet amplifier ? medogrizli Solid State 49 5th November 2011 11:04 PM
How to identify a quasi-complementary amplifier? motbuddy Solid State 8 24th April 2011 11:59 AM
question about quasi nmos500 amplifier schematic? muky006 Pass Labs 3 8th May 2008 09:07 AM
Quasi N30 ClassA amplifier AndrewT Solid State 8 9th January 2008 07:57 PM


New To Site? Need Help?

All times are GMT. The time now is 03:40 PM.

Home - Contact Us - Advertise - Suggestions & Requests - Rules - Store - Sponsors - Archive - Privacy Statement - Terms of Service - Top

vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2013 DragonByte Technologies Ltd. (Resources saved on this page: MySQL 27.27%)
Copyright ©1999-2013 diyAudio