lm1875 fizzing away probelm - Page 24 - diyAudio
Go Back   Home > Forums > Amplifiers > Chip Amps

Chip Amps Amplifiers based on integrated circuits

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
View Poll Results: Was a good idea to use two lm1875 or a big stk chip
Use stk 8 27.59%
use lm1875 21 72.41%
Voters: 29. You may not vote on this poll

Reply
 
Thread Tools Search this Thread
Old 23rd February 2013, 01:53 PM   #231
PetruV is offline PetruV  Romania
diyAudio Member
 
Join Date: Dec 2012
Location: Bucuresti
Has anibody heard about the ipa800 amp,does somebody have a pcb.They are very famous in romania but you have to buy the pcbs and theyre expensive.i saw some pictures and its very simple(much simpler than apex b500which im plaing to build now)
  Reply With Quote
Old 24th February 2013, 09:44 AM   #232
PetruV is offline PetruV  Romania
diyAudio Member
 
Join Date: Dec 2012
Location: Bucuresti
no answers
  Reply With Quote
Old 24th February 2013, 02:26 PM   #233
diyAudio Member
 
dannyjmf's Avatar
 
Join Date: Feb 2010
Location: Malaysia - Melaka
Hi...

I think if u would have build the Amplifier Correctly (LM1875 gainclone) according to schematic and your soldering are nice, u should get the amp working perfectly ...

here is a sample of mine how it should be done ... u can freely use as a reference as i gave u some ideas and hints to go around ... feel free to reply me and i can try my best to help u out

cheers and good luck
Attached Images
File Type: jpg gainclone 4channel.jpg (101.9 KB, 71 views)
File Type: jpg gainclone 2.jpg (101.4 KB, 73 views)

Last edited by dannyjmf; 24th February 2013 at 02:29 PM.
  Reply With Quote
Old 24th February 2013, 02:40 PM   #234
PetruV is offline PetruV  Romania
diyAudio Member
 
Join Date: Dec 2012
Location: Bucuresti
your amp is quite nice but thos bridges are way overkill.
I have changed my post to this one below so please post andy further posts in that one
LINK
http://www.diyaudio.com/forums/loung...ml#post3384056
  Reply With Quote
Old 17th March 2013, 05:05 PM   #235
PetruV is offline PetruV  Romania
diyAudio Member
 
Join Date: Dec 2012
Location: Bucuresti
Can you help me with and switch mode power supply circuit that is simple and outputs +/- 90v and simple to build and also includes pcb layout.
Please help me since this is very important
__________________
I know everything but do nothing
  Reply With Quote
Old 17th March 2013, 05:17 PM   #236
diyAudio Member
 
picowallspeaker's Avatar
 
Join Date: Apr 2007
I have an Stk module
  Reply With Quote
Old 17th March 2013, 05:22 PM   #237
PetruV is offline PetruV  Romania
diyAudio Member
 
Join Date: Dec 2012
Location: Bucuresti
Quote:
Originally Posted by picowallspeaker View Post
I have an Stk module
Congrats!,where did you score it and what model,my curiosity is killing me
__________________
I know everything but do nothing
  Reply With Quote
Old 17th March 2013, 05:28 PM   #238
diyAudio Member
 
picowallspeaker's Avatar
 
Join Date: Apr 2007
There's written XXX-120....


STK 407-120
  Reply With Quote
Old 17th March 2013, 05:30 PM   #239
PetruV is offline PetruV  Romania
diyAudio Member
 
Join Date: Dec 2012
Location: Bucuresti
let me guess stk403 -120
__________________
I know everything but do nothing
  Reply With Quote
Old 17th March 2013, 06:56 PM   #240
PetruV is offline PetruV  Romania
diyAudio Member
 
Join Date: Dec 2012
Location: Bucuresti
Aww close,it its 3 channel 10w,really dont understand what a 3 channel amp would be used for
__________________
I know everything but do nothing

Last edited by PetruV; 17th March 2013 at 07:02 PM.
  Reply With Quote

Reply


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
Hiss probelm on JLH class A rchung Solid State 8 8th January 2013 04:44 PM
Preamp for LM1875 tom91 Chip Amps 3 26th July 2009 03:08 PM
lm1875 siemensc65 Chip Amps 4 23rd May 2006 03:28 AM
Lm1875 soundNERD Chip Amps 14 12th October 2003 02:26 AM
offset probelm in bugle phono preamp dre Solid State 5 13th April 2003 06:41 PM


New To Site? Need Help?

All times are GMT. The time now is 05:14 PM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright 1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2