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

Class D Switching Power Amplifiers and Power D/A conversion

Class D Amp Photo Gallery
Class D 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 27th August 2020, 06:00 AM   #1651
bitinhvi is offline bitinhvi  Viet Nam
diyAudio Member
 
Join Date: Jul 2007
Location: Hanoi
Send a message via Yahoo to bitinhvi
Quote:
Originally Posted by drMordor View Post
What is the resistance of the sub coil?
I tested 3255 at 62V, over 400 watts in PBTL mode at 4 ohms
My sub coil is 4ohm.

Thanks for your information.
  Reply With Quote
Old 27th August 2020, 12:27 PM   #1652
hansueli is offline hansueli  Switzerland
diyAudio Member
 
Join Date: Oct 2017
hello gusy


What do you think about my 3E Audio ADAU1701 programm for my two TPA3255 boards.




I hope I can get deeper bass with no clipping.
Attached Images
File Type: jpg dsp2.1.JPG (102.0 KB, 654 views)
  Reply With Quote
Old 27th August 2020, 02:51 PM   #1653
daniboun is offline daniboun  France
diyAudio Member
 
Join Date: Nov 2019
Location: Lyon (France)
Yo amigos,

New DrMordor TPA325X amps with PFFB. (based on 360 Customs design)
These high ends TPA325X sound awesome. They are shoulder to shoulder with my Hypex Ncore.

- TPA325X chip
- Wurth / Epcos main caps
- Wuth / Ferro inductors
- Elna Silmic II buffer caps
- PFFB enabled
- OPA1602 / NE5532
- SMPS PSU / LLC / Softstart

Click the image to open in full size.
Click the image to open in full size.
Click the image to open in full size.
Click the image to open in full size.
  Reply With Quote
Old 27th August 2020, 03:11 PM   #1654
drMordor is offline drMordor  Russian Federation
diyAudio Member
 
drMordor's Avatar
 
Join Date: Sep 2019
Location: Moscow
Class D Amp Photo Gallery
Good job bro!
__________________
Sorry, my english bad))) But I'm learning!
  Reply With Quote
Old 27th August 2020, 03:43 PM   #1655
daniboun is offline daniboun  France
diyAudio Member
 
Join Date: Nov 2019
Location: Lyon (France)
You are the best DrMordor
  Reply With Quote
Old 2nd September 2020, 08:40 AM   #1656
daniboun is offline daniboun  France
diyAudio Member
 
Join Date: Nov 2019
Location: Lyon (France)
New TPA 3251 Amplifier
XLR input. Still made by DrMordor.

- Wurth caps
- Elna Silmic II buffer caps
- PFFB enabled
- OPA1642
- SMPS PSU / LLC / Softstart Connex 300W

Click the image to open in full size.
Click the image to open in full size.
Click the image to open in full size.

Last edited by daniboun; 2nd September 2020 at 08:42 AM.
  Reply With Quote
Old 2nd September 2020, 12:14 PM   #1657
chermann is offline chermann  Austria
diyAudio Member
 
Join Date: Jan 2017
Location: Vienna
hi


can you show me this board from the other side? i want to see the heatsink etc


thx
chris
  Reply With Quote
Old 2nd September 2020, 12:20 PM   #1658
daniboun is offline daniboun  France
diyAudio Member
 
Join Date: Nov 2019
Location: Lyon (France)
New version is like Hypex Ncore NC500MP or 250MP, with a big alumium plate as heatsink.
TPA325X do not overheat at all.

Click the image to open in full size.
  Reply With Quote
Old 2nd September 2020, 05:11 PM   #1659
chermann is offline chermann  Austria
diyAudio Member
 
Join Date: Jan 2017
Location: Vienna
ok...my fault...i oversee the plate in the other pics..


thx
chris
  Reply With Quote
Old 5th September 2020, 07:36 AM   #1660
daniboun is offline daniboun  France
diyAudio Member
 
Join Date: Nov 2019
Location: Lyon (France)
New amplifier TPA3251 by DrMordor :

- Alu H2000 black case
- XLR inputs
- Wuth caps
- Elna Silmic II
- TPA3251
- PFFB +
- OPA1642
- SMPS Connex PSU LLC / Softstart

Click the image to open in full size.
Click the image to open in full size.
Click the image to open in full size.
  Reply With Quote

Reply


Class D 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 12:23 AM.


Search Engine Optimisation provided by DragonByte SEO (Pro) - vBulletin Mods & Addons Copyright © 2020 DragonByte Technologies Ltd.
Resources saved on this page: MySQL 15.00%
vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2020 DragonByte Technologies Ltd.
Copyright ©1999-2020 diyAudio
Wiki