DPS-500 Innovative Power supply for Audio - diyAudio
Go Back   Home > Forums > Amplifiers > Class D

Class D Switching Power Amplifiers and Power D/A conversion

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 26th September 2010, 09:08 AM   #1
AP2 is offline AP2  Italy
Banned
 
Join Date: Dec 2009
Location: Italy
Default DPS-500 Innovative Power supply for Audio

Hi all,
I want to describe this revolutionary PSU because it solves the problems of RFI / EMI and is the only one who can provide truly amazing performance. (Even low-power 30-50W) amplifier has a very tough play. This is due to the output voltage very "firm" as well as being absolutely clean as a battery.
I think that this information can resolve the supply of high-end amplifiers in a small space and weight.
I have tested this model with these amps. (One DPS-500)
Hypex UCD700 (classic rock and music) in this latter is really exciting.
Hypex 2xUCD400 (2x350w rms (4R)
AudioPower DXA-600 (4R) OR (2xSDA-400 at Bridge 8R)
B & O ICE500A (4R)
National LM3866-(3 chips).(4R)
I am available to other tests and measurements on your advice, with pleasure.
P.S. Soon I'll put up this post with the measures and internal signals to the power supply under various static / dynamic loads.

Best Regards
Attached Images
File Type: jpg DPS-500.jpg (124.2 KB, 845 views)
  Reply With Quote
Old 26th September 2010, 07:08 PM   #2
wingman is offline wingman  Denmark
diyAudio Member
 
Join Date: Jan 2004
Location: jylland
can you give some more info about dsp-500?
__________________
bass is music
  Reply With Quote
Old 26th September 2010, 07:13 PM   #3
AP2 is offline AP2  Italy
Banned
 
Join Date: Dec 2009
Location: Italy
Quote:
Originally Posted by wingman View Post
can you give some more info about dsp-500?
Hi,
Yes, I want describe all function and concept of this new PSU on this thread.(scheme,measure and internal signal).
This PSU not use PWM.
if you want,download datasheet (preliminary) on audiopower.it

Regards
  Reply With Quote
Old 30th September 2010, 01:07 AM   #4
savu is offline savu  Romania
diyAudio Member
 
savu's Avatar
 
Join Date: Feb 2007
Location: Cluj - Napoca
Send a message via MSN to savu Send a message via Yahoo to savu
so if it is not PWM then it might be resonant?

regards,
savu
__________________
1'st rule of chess:
The only way to get smarter is by playing a smarter opponent.
  Reply With Quote
Old 30th September 2010, 02:02 PM   #5
AP2 is offline AP2  Italy
Banned
 
Join Date: Dec 2009
Location: Italy
Quote:
Originally Posted by savu View Post
so if it is not PWM then it might be resonant?

regards,
savu
Hello Savu,
no, this PSU uses two "engines".
A fixed PWM at 50% with special wave (square wave with rounded corners) and driving it custom transformer.
the other is a dual sensing of current driving a power stage DC / AC very fast.
I am preparing a minimum measure and diagram to put them in this post ..
In practice, the voltage regulation does not use PWM.
This system solves the low PSRR also on the class D.

regards
  Reply With Quote
Old 4th October 2010, 01:13 PM   #6
diyAudio Member
 
Join Date: Feb 2005
Location: Antwerp
Is the DPS-800 on the site using the same principle? Very interesting and price competitive compared to a dual SMPS400A400 from Hypex.
  Reply With Quote
Old 4th October 2010, 01:18 PM   #7
diyAudio Member
 
Join Date: Feb 2005
Location: Antwerp
Also, is there support for DC protection power cutoff like ok the Hypex SMPS? ty!
  Reply With Quote
Old 4th October 2010, 03:22 PM   #8
AP2 is offline AP2  Italy
Banned
 
Join Date: Dec 2009
Location: Italy
Hi,
Yes, DPS-800 uses the same principle of high voltage analog controller.
Both models Have ISO-input (close to gnd) from amplifier, eg. DC or thermal protection.
these two models are designed exclusively for amateur (audiophile amplifiers) not for commercial audio.
warmth of the bass and the ability to deliver a 'hit' ... unbelievable.
Normally this effect can be heard on a 30Kg. amplifiers AB class.

Regards
  Reply With Quote
Old 4th October 2010, 04:55 PM   #9
diyAudio Member
 
Join Date: Feb 2005
Location: Antwerp
Thank you AP2 - as the Hypex amps don't have their own DC protection circuits, I'll have to look into maybe doing this another way
  Reply With Quote
Old 4th October 2010, 05:09 PM   #10
AP2 is offline AP2  Italy
Banned
 
Join Date: Dec 2009
Location: Italy
Quote:
Originally Posted by Yves Smolders View Post
Thank you AP2 - as the Hypex amps don't have their own DC protection circuits, I'll have to look into maybe doing this another way
Hi,
I know that UCD700 have this protection (open collector output). and input also.
Becouse a customers use our DPS-600 with UCD700 and use both protections, input (for ready dc voltage output) and output for fast-break PSU.
maybe UCD400 not have?
In this case is easy design it..
Regards
  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
Threshold S/500 power supply electrolytic replacement kstagger Pass Labs 0 23rd August 2010 12:26 PM
Dunlap Clarke 500 Power Supply Info Raymond Solid State 7 31st March 2010 11:38 PM
Need advice on capacitors for power supply bypass (Hafler P-500) Aaron D Solid State 7 8th December 2009 12:35 AM
Rockford Power 500.2 Amp Troubleshooting power supply. kds9591 Car Audio 6 3rd September 2008 03:09 AM
Parasound HCA-500 Amp and Power Supply Board john65b Swap Meet 0 4th February 2007 05:34 PM


New To Site? Need Help?

All times are GMT. The time now is 07:09 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