Modifing Aleph 5 power supply - diyAudio
Go Back   Home > Forums > Amplifiers > Pass Labs

Pass Labs This forum is dedicated to Pass Labs discussion.

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 19th May 2004, 12:09 AM   #1
diyAudio Member
 
Join Date: Jan 2004
Location: Croatia
Default Modifing Aleph 5 power supply

I have complete dual mono supply in my Aleph 5. One channel is consisted of one 350VA 2x28V toroid, 4 x 33000uf good quality BC comp caps and 2.2uf Solen bypass caps. I saw in some other DIY designs that people are using lower capacitance electrolytic cap at the end of the PS bridge. So I thought, that is probably for better filtering, but what are the other consequences of this? Will I get more dynamics or better bas if I put it like this:

rectifier br.---33000uf----33000uf----5000uf---PCB

for each channel's + and -. If it is better to use lower or higher capacitance at the end plase let me know.
  Reply With Quote
Old 19th May 2004, 01:10 AM   #2
diyAudio Member
 
kilowattski's Avatar
 
Join Date: Aug 2003
Location: Long Island, New York
I may be wrong but I think that if you are using a pi filter with an inductor that the second capacitor may not have to be so large.
__________________
-----------------------------------------------
Kilowattski
  Reply With Quote
Old 21st May 2004, 05:18 AM   #3
diyAudio Member
 
sparkle's Avatar
 
Join Date: Oct 2003
Location: middle of nowhere...
Hi Boris!

If You use more cap's with lower values than you would probably have more speed and microdetails (if the cap's are good etc.).
If that would suit you in your amp you must see for yourself- faster response of the cap's might not be good for the sound that you have. And for one amp one thing might be good and another not- so everyone must try for yourself. It is more interesting that way
What you could try in your amp is to make some air inductors (the bigger the better) and put them inside Your power supply- that wouzld probably chenage the sound of your amp a little bit and increase the quality of filtration. But in your amp I don't know if you need better power supply- it is allready very, very good.
regards to all
daniel

p.s. You must try the thing with 5000uF for yourself, but for that you must cut you copper bussbars and connect them with some inductor or something that would not lower your filtrated voltage much and then ad that 5000uF at the end.
  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
Aleph 2 power supply MikeZ Pass Labs 50 9th November 2012 01:40 PM
Aleph P.17 Power Supply Bengali Pass Labs 6 6th October 2008 06:24 PM
Aleph 30 power supply jmmartins Pass Labs 2 28th September 2007 04:47 PM
Aleph-4 Power Supply needs help ruangrit Pass Labs 1 25th January 2004 05:38 AM
Aleph 5 power supply. Tony D. Pass Labs 11 30th September 2002 09:08 PM


New To Site? Need Help?

All times are GMT. The time now is 02:39 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