Aleph5 caps for power suply - 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 20th February 2003, 07:10 PM   #1
cducati is offline cducati  United States
diyAudio Member
 
Join Date: Feb 2003
Location: Indiana, USA
Question Aleph5 caps for power suply

Hello all.
I am very new to electronics and have questions about what caps to use for the PSU on an Aleph 5 that I'm planning to build.
I've been doing a bit of reading on this subject and I think that I am more confused that when I began!
Could anyone post advice and souces (url's) for these caps?
Thanks
  Reply With Quote
Old 20th February 2003, 09:12 PM   #2
Tim F is offline Tim F  England
diyAudio Member
 
Join Date: Jan 2003
Location: Buxton England
I am new also but from what i have learnt so far you need to be aware that you will get approx 34volts DC (based on Aleph 5 service manual) & so voltage rating on the caps should be at least 15% above this. Capacitors have limited shelf life e.g.10-20 years so if buying surplus try & check when manufactured.
You require a minimum total capacitance of 100,000uf but this can be made up of a combination of for example 4*25,000uf or 10*10,000uf.
I believe you need to look for 'computer grade' capacitors.
Phyisical size does not affect performance as far as I know.
I recently bought 24*15,000uf at 65volts 'Macintosh' to build a pair of Aleph 2 monoblocks from www.brigarelectronics.com in the U.S.. Havent tried them yet but got the link from someone else in forum . This site also had some bigger capacitance in 50volt if their size suits your design better. Search forum for PSU postings for further info their is plenty of it.
Hope this helps
  Reply With Quote
Old 20th February 2003, 10:16 PM   #3
diyAudio Member
 
ElectroNick's Avatar
 
Join Date: Dec 2002
Location: The Netherlands
Hi guys,

In the Aleph 5 service manual you'll see 100.000 uF for a stereo amp. So i guess that will do the job. But you could also go to the exteme

Rectifiers can also impact the sound of the amp. So a bit of tweaking would be nice

Those computer graded caps are recommendable.

Grtz,
Nick
  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
fixed tovariable power suply salil_kamat2 Power Supplies 3 8th December 2006 02:41 PM
Power suply reduction leander Solid State 2 9th September 2005 08:54 AM
variable power suply csl113 Power Supplies 7 5th February 2005 03:19 PM
power suply help needed !!!!!!! mircea Chip Amps 0 28th June 2004 04:33 PM
LM3886 power suply... JoeBob Solid State 31 7th January 2002 02:36 AM


New To Site? Need Help?

All times are GMT. The time now is 02:26 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