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

Parts Where to get, and how to make the best bits. PCB's, caps, transformers, etc.

Capacitor help
Capacitor help
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 27th February 2009, 01:04 PM   #1
dognut is offline dognut  United States
diyAudio Member
Join Date: Oct 2007
Default Capacitor help

Hello,Recaping my sansui 1000a tube reciever.One of the big caps is 20/20/20uf@500v. Not cheep or easy to find.I want to replace it with 3caps, 22uf @ 450v each. would this work? or will the slightly less voltage rating give me a problem? thanks, tom
  Reply With Quote
Old 27th February 2009, 05:47 PM   #2
Spiny is offline Spiny  United Kingdom
diyAudio Member
Spiny's Avatar
Join Date: Feb 2008
Before recaping check what the real voltage is, anything over 440 and the 500V is needed. Be careful measuring at this voltage , best to attach the meter probes then set the meter and turn on. read the meter and turn off. Wait for the caps to discharge before removing the probes.
  Reply With Quote
Old 26th March 2009, 01:12 AM   #3
MCampbell is offline MCampbell  United Kingdom
diyAudio Member
Join Date: Nov 2008
Thought you might like these thoughts from a Mallory field replacement manual from 1939.... Especially last paragraph!
Attached Images
File Type: jpg mallory.jpg (99.1 KB, 75 views)
  Reply With Quote


Capacitor helpHide 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
Best PS capacitor RFENG Parts 3 19th January 2008 02:44 PM
what capacitor is this? abiedoodles Parts 10 12th December 2007 07:11 PM
Capacitor Help MorePower7701 Solid State 8 25th July 2007 06:41 PM
Capacitor esl dhole Pass Labs 1 23rd April 2005 02:18 PM
Capacitor or not? future Parts 2 24th June 2003 11:10 PM

New To Site? Need Help?

All times are GMT. The time now is 06:17 PM.

Search Engine Optimisation provided by DragonByte SEO (Pro) - vBulletin Mods & Addons Copyright © 2018 DragonByte Technologies Ltd.
Resources saved on this page: MySQL 15.79%
vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2018 DragonByte Technologies Ltd.
Copyright ©1999-2018 diyAudio