Go Back   Home > Forums > >
Home Forums Rules Articles diyAudio Store Blogs Gallery Wiki Register Donations FAQ Calendar Search Today's Posts Mark Forums Read

Chip Amps Amplifiers based on integrated circuits

Chip Amp Photo Gallery
Chip Amp Photo Gallery
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 2nd April 2007, 04:19 AM   #361
monkey29 is offline monkey29  China
diyAudio Member
 
Join Date: May 2005
Location: Beijing
Default UP

"BLACK WISDOM"
Attached Images
File Type: jpg dsc002.jpg (42.5 KB, 5009 views)
  Reply With Quote
Old 2nd April 2007, 03:57 PM   #362
monkey29 is offline monkey29  China
diyAudio Member
 
Join Date: May 2005
Location: Beijing
Default UP

...
Attached Images
File Type: jpg 4.jpg (39.3 KB, 5376 views)
  Reply With Quote
Old 2nd April 2007, 04:05 PM   #363
monkey29 is offline monkey29  China
diyAudio Member
 
Join Date: May 2005
Location: Beijing
Default Up

"BLACK WISDOM"


Pre-amp IC: OPA604AP £¨Can be replaced£©
Amplifier IC: LM4780TA
Output Power: 38W+38W (RMS)
Voltage: DC ¡À30V
Protect circuit: Relays Delay 5s£¬DC0.6V Trigger Protect
Input Interface: Signal Input L/R£¬DC power Input
Output Interface: Speaker Output L/R
Dual LED (Red/Blue) status indicator
30mm Aluminum volume knob
Attached Images
File Type: jpg dsc001.jpg (42.4 KB, 4645 views)
  Reply With Quote
Old 3rd April 2007, 02:30 AM   #364
monkey29 is offline monkey29  China
diyAudio Member
 
Join Date: May 2005
Location: Beijing
Default UP

...
Attached Images
File Type: jpg 3.jpg (43.0 KB, 5180 views)
  Reply With Quote
Old 3rd April 2007, 06:38 AM   #365
luka is offline luka  Slovenia
diyAudio Member
 
luka's Avatar
 
Join Date: Sep 2005
Location: in Slovenia :)
Chip Amp Photo Gallery
Hi

Now that is great design, how do you screw onboard heatsink to bigger one?
__________________
home page @ http://www.classdaudio.tk/ @ 24/7 all year long
I FEEL SLOVENIA
  Reply With Quote
Old 3rd April 2007, 03:23 PM   #366
monkey29 is offline monkey29  China
diyAudio Member
 
Join Date: May 2005
Location: Beijing
Default re. up

Hi luka,

There are two threaded holes in the heat sink, Similarly, there are two holes on the shell(top), Linking them with two screws.
  Reply With Quote
Old 8th April 2007, 09:06 PM   #367
falcott is offline falcott
diyAudio Member
 
falcott's Avatar
 
Join Date: Jul 2004
Location: Wherever I hang my hat...
Hi, nice job!
Where did you source the heatsink case?
Thanks!
__________________
"Everything should be made as simple as possible, but not simpler." - Einstein
  Reply With Quote
Old 9th April 2007, 03:22 AM   #368
monkey29 is offline monkey29  China
diyAudio Member
 
Join Date: May 2005
Location: Beijing
Default Re. UP

Thank you!

I found this heatsink in a Beijing factory.
  Reply With Quote
Old 10th April 2007, 07:29 PM   #369
karma is offline karma  Canada
diyAudio Member
 
karma's Avatar
 
Join Date: Feb 2003
Location: hamilton,ontario
nice work
Attached Images
File Type: jpg dsc001_thumb.jpg (2.4 KB, 4322 views)
  Reply With Quote
Old 13th April 2007, 12:52 PM   #370
speaker is offline speaker  United States
diyAudio Member
 
speaker's Avatar
 
Join Date: Mar 2004
Location: USA
Default Re: UP

Quote:
Originally posted by monkey29
...
monkey29, that is a great OEM level design.

Did you do the PCB layout?
  Reply With Quote

Reply


Chip Amp Photo GalleryHide 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


New To Site? Need Help?

All times are GMT. The time now is 08:01 PM.


Search Engine Optimisation provided by DragonByte SEO (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.
Resources saved on this page: MySQL 15.79%
vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.
Copyright ©1999-2017 diyAudio
Wiki