My LM3886 HIFI AMP!!! - 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
Reply
 
Thread Tools Search this Thread
Old 6th February 2011, 09:32 AM   #1
diyAudio Member
 
Join Date: Sep 2009
Default My LM3886 HIFI AMP!!!

NE5534*4+LM3886*4+UPC1237
Attached Images
File Type: jpg PCB1.jpg (186.2 KB, 3395 views)
  Reply With Quote
Old 6th February 2011, 09:40 AM   #2
AndrewT is offline AndrewT  Scotland
diyAudio Member
 
Join Date: Jul 2004
Location: Scottish Borders
Hi,
is this a 4channel amplifier?, all on one PCB?
Can it be switched from 4 individual channels to 2 BA mode?, or 2 PA mode?, or 1 BPA mode?
__________________
regards Andrew T.
  Reply With Quote
Old 6th February 2011, 09:54 AM   #3
diyAudio Member
 
Join Date: Sep 2009
Hi! This is stereo sound PCB.
Attached Images
File Type: jpg PCB2.jpg (245.0 KB, 3107 views)
File Type: jpg PCB3.jpg (362.4 KB, 2697 views)
File Type: jpg PCB4.jpg (336.8 KB, 2420 views)
File Type: jpg pcb5.jpg (352.3 KB, 2183 views)
  Reply With Quote
Old 6th February 2011, 10:01 AM   #4
AndrewT is offline AndrewT  Scotland
diyAudio Member
 
Join Date: Jul 2004
Location: Scottish Borders
go back to my 5 questions and answer any one of them !
Or does "Stereo" tell us it's a 2channel amplifier?
__________________
regards Andrew T.
  Reply With Quote
Old 6th February 2011, 10:06 AM   #5
diyAudio Member
 
Join Date: Sep 2009
yes!
2channel amplifier.
  Reply With Quote
Old 6th February 2011, 12:00 PM   #6
AndrewT is offline AndrewT  Scotland
diyAudio Member
 
Join Date: Jul 2004
Location: Scottish Borders
BA or PA?
Not switchable?
__________________
regards Andrew T.
  Reply With Quote
Old 6th February 2011, 12:34 PM   #7
Account disabled at member's request
 
MJL21193's Avatar
 
Join Date: Mar 2007
Appears to be 2 LMs in parallel, 2 channels. Not switchable (who wants that?).
  Reply With Quote
Old 6th February 2011, 12:37 PM   #8
AndrewT is offline AndrewT  Scotland
diyAudio Member
 
Join Date: Jul 2004
Location: Scottish Borders
just asking.
When it says 4 opamps and 4 chipamps, it made me wonder what he had created.
__________________
regards Andrew T.
  Reply With Quote
Old 7th February 2011, 06:00 AM   #9
diyAudio Member
 
Join Date: Sep 2009
Quote:
Originally Posted by AndrewT View Post
BA or PA?
Not switchable?
Yes!
2 Pa mode. Not switchable.
  Reply With Quote
Old 7th February 2011, 06:14 AM   #10
diyAudio Member
 
Join Date: Sep 2009
New process!!
Attached Images
File Type: jpg pcb5.jpg (392.6 KB, 661 views)
  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
What class D AMP in the ipod hifi? H.aaron Class D 17 2nd October 2012 05:51 PM
A Commercial HiFi Amp Error.. Junm Solid State 10 17th August 2010 01:22 AM
Small 1W hifi amp jeppix Tubes / Valves 31 17th February 2008 02:26 PM
hifi VS instrument amp Ahmad_tbp Solid State 9 3rd June 2005 07:34 AM


New To Site? Need Help?

All times are GMT. The time now is 04:40 AM.


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