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

Vendor's Bazaar Commercial Vendors large & small hawking their wares

Where are these caps used?
Where are these caps used?
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
Thread Tools Search this Thread
Old 18th May 2009, 04:39 PM   #1
MCampbell is offline MCampbell  United Kingdom
diyAudio Member
Join Date: Nov 2008
Default Where are these caps used?


Was having a bit of a rummage through some out-of-date electrolytics, and came across a few of these:

(see pic)

They're 7500uF + 7500uF dual section electrolytics @ 25V

I've dug around, and apart from one uninformative catalogue reference and one Google hit on someone selling some NOS ITT parts of the same value, I can't find out anything about what equipment they were originally used in.

The ones I found were from 2003, so there must have been some ongoing use for them.....

Someone must know....!!!

Any information gratefully received.


Attached Images
File Type: gif 7500x7500_25v.gif (98.0 KB, 245 views)
  Reply With Quote
Old 18th May 2009, 05:02 PM   #2
Minion is offline Minion  Canada
diyAudio Member
Join Date: May 2006
Location: Cowican Bay , vancouver island
These dual section electro"s are probably used in The Power supply of an amp or simular , they could also be used as the output caps in a lowish powered single ended amp , or really anywere you need a 7500uF electro....

  Reply With Quote
Old 19th May 2009, 01:25 AM   #3
unclejed613 is offline unclejed613  United States
diyAudio Member
unclejed613's Avatar
Join Date: Dec 2006
i am guessing that the connections are two positive leads and one negative lead. if so it would probably be for a dual power supply, like a +12/+5V supply, or for a pi section filter with a choke between the two positive terminals, the power supply on one side and the load on the other.
Vintage Audio and Pro-Audio repair ampz(removethis)@sohonet.net
spammer trap: spammers must die
  Reply With Quote
Old 19th May 2009, 01:27 PM   #4
riktw is offline riktw  Netherlands
diyAudio Member
Join Date: Sep 2007
hmm, high power power supply's, i have seen stuff up to 20.000uF in an 12V power supply.
class A amp's of 10~20 watts normally need 20V and -20V, maybe from something like that.
so anything that needs high current and a low voltage.
  Reply With Quote
Old 19th May 2009, 01:44 PM   #5
MCampbell is offline MCampbell  United Kingdom
diyAudio Member
Join Date: Nov 2008
Thanks chaps - really interesting responses.

One further question:

Does anyone actually design in high uF/low voltage dual sections like these anymore (apart from for neatness when replacing one in an old PSU)?
  Reply With Quote
Old 19th May 2009, 02:48 PM   #6
jacco vermeulen is offline jacco vermeulen  Netherlands
diyAudio Member
jacco vermeulen's Avatar
Join Date: Oct 2004
Location: At the sea front, Rotterdam or Curaçao
Send a message via Yahoo to jacco vermeulen
Afaik, Fischer & Tausche used to be the only remaining manufacturer of low voltage dual section electrolytics on this (in)continent in 1K9.

Their LFAX is a general use 105C type, mainly to save space, same goes for the higher voltage LFAZ range.
Electrolytics have become much smaller, no use for duallies i suppose.
Why does it hurt when I Pee ? (Ay Ay Ay https://www.youtube.com/watch?v=w5fLGWrHouk)
  Reply With Quote


Where are these caps used?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

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Silver Mica caps VS Polystyrene caps KevinLee Parts 41 11th November 2015 03:38 PM
bypass caps for bypassing mylar caps? crippledchicken Multi-Way 4 27th February 2008 05:24 AM
Replacing multi-section caps with multiple caps? Sir Trefor Parts 1 29th May 2007 11:17 PM
Replacing ceramic disc caps with silver mica caps? G Solid State 5 18th November 2002 02:02 PM
FILM Caps to assist Big ELYT Caps gromanswe Parts 0 9th July 2002 09:16 AM

New To Site? Need Help?

All times are GMT. The time now is 03:14 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