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 5th August 2008, 01:00 AM   #1
digi01 is offline digi01  China
diyAudio Member
 
digi01's Avatar
 
Join Date: Mar 2003
Location: BEIJING
Send a message via MSN to digi01
Default gc block,lm3886 inverting

I made them for my synth keyboard.
for the music instrument,I want the device small,easy socket,easy carry.so the block is 6.5mm stereo input and output.alum casing for heatsink.

zang
Attached Images
File Type: jpg 3886igc_ei.jpg (78.3 KB, 305 views)
  Reply With Quote
Old 5th August 2008, 01:01 AM   #2
digi01 is offline digi01  China
diyAudio Member
 
digi01's Avatar
 
Join Date: Mar 2003
Location: BEIJING
Send a message via MSN to digi01
another one.
Attached Images
File Type: jpg 3886igc_tr.jpg (72.9 KB, 273 views)
  Reply With Quote
Old 5th August 2008, 01:05 AM   #3
digi01 is offline digi01  China
diyAudio Member
 
digi01's Avatar
 
Join Date: Mar 2003
Location: BEIJING
Send a message via MSN to digi01
rear.
Attached Images
File Type: jpg rear.jpg (46.0 KB, 242 views)
  Reply With Quote
Old 5th August 2008, 03:32 AM   #4
diyAudio Member
 
kuldeepsingh's Avatar
 
Join Date: Aug 2006
Location: Chennai, India
Send a message via MSN to kuldeepsingh
How about heat sink temperature rise with normal use?
I personally feel the heatsink is too small for 2 Lm3886s, unless you put a small cooling fan.
__________________
. . .. ... ..... ........ ............. ..................... ..................................
My Blog
  Reply With Quote
Old 5th August 2008, 06:35 AM   #5
digi01 is offline digi01  China
diyAudio Member
 
digi01's Avatar
 
Join Date: Mar 2003
Location: BEIJING
Send a message via MSN to digi01
the heatsink install on the aluminium chassis.the temperature is usually around 40 degree.I can touch the sink.

P.S.
The power supply is 2*18VAC.the loudspeaker is 6 ohm.
  Reply With Quote
Old 6th August 2008, 09:11 AM   #6
AndrewT is offline AndrewT  Scotland
diyAudio Member
 
Join Date: Jul 2004
Location: Scottish Borders
and how hot are the chipamp internals?
__________________
regards Andrew T.
  Reply With Quote
Old 6th August 2008, 09:42 AM   #7
digi01 is offline digi01  China
diyAudio Member
 
digi01's Avatar
 
Join Date: Mar 2003
Location: BEIJING
Send a message via MSN to digi01
i think it is under 60 degree
  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
Single sided non inverting LM3886 PCB tla-Audio Chip Amps 35 1st April 2009 07:16 AM
sonic differences between inverting/non-inverting LM4780 VS both non-inverting LM4780 jarthel Chip Amps 5 19th July 2007 12:37 PM
LM3886 Mono-block parts Bonicon Chip Amps 17 29th January 2007 12:22 AM
Bridged/Stereo, w or w/o servo, inverting 3886, inverting buffer PCB Alexander Rice Chip Amps 9 27th March 2004 06:53 PM


New To Site? Need Help?

All times are GMT. The time now is 02:04 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