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

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 August 2011, 09:42 PM   #1
diyAudio Member
 
buzzforb's Avatar
 
Join Date: Oct 2010
Location: Burlington, NC
Default Toroid wiring problem

I bought two 483VA amveco trafos off of fleabay. Problem is, wiring is different than what i am used to and i can't find wiring diagram anywhere. It is 0-100-120 primary, 18VA@10A, 24VA@8A (30% cycle duty), 36VA@6A (50% cycle duty).
Two concerns are wiring layout and size. None of the color coding matches any of their or anybody elses current scheme and wire seems awlful thin for so much current. I believe the primary is wired as follows:
Black - 0
Brown - 100V
Red - 120

Orange - 0
Yellow - 100
Blue - 120 (I have green and not blue)

Secondary

Green (this and red below are much larger ga. wires than all the others)
Red
Blue
Brown
White
Orange

Is there any way to test the primary and secondary wires?
Attached Images
File Type: jpg Amveco.jpg (717.8 KB, 105 views)
  Reply With Quote
Old 20th August 2011, 10:43 PM   #2
diyAudio Member
 
nigelwright7557's Avatar
 
Join Date: Apr 2008
Location: Carlisle, England
Simplest way is to power it up and look for AC voltages on secondaries.

A resistance check will show which secondaries are connected to which.
__________________
http://www.murtonpikesystems.co.uk PCBCAD40 pcb design software.
  Reply With Quote
Old 20th August 2011, 10:47 PM   #3
diyAudio Member
 
Join Date: Sep 2004
Location: Minneapolis, Minnesota, USA
Aren't the primary and secondary wiring codes listed on the label?

Mike
  Reply With Quote
Old 20th August 2011, 10:56 PM   #4
diyAudio Member
 
buzzforb's Avatar
 
Join Date: Oct 2010
Location: Burlington, NC
Quote:
Originally Posted by Michael Bean View Post
Aren't the primary and secondary wiring codes listed on the label?

Mike
No.


Quote:
Originally Posted by nigelwright7557 View Post
Simplest way is to power it up and look for AC voltages on secondaries.

A resistance check will show which secondaries are connected to which.
OK.
  Reply With Quote
Old 20th August 2011, 10:58 PM   #5
diyAudio Member
 
Join Date: Dec 2008
Location: Victoria, BC
Quote:
Originally Posted by nigelwright7557 View Post
Simplest way is to power it up and look for AC voltages on secondaries.
An AC wallwart or small filament transformer (or Variac) can make this less exciting than using the mains AC.
  Reply With Quote
Old 20th August 2011, 11:05 PM   #6
Zen Mod is offline Zen Mod  Serbia
diyAudio Member
 
Zen Mod's Avatar
 
Join Date: Jan 2003
Location: ancient Batsch , behind Iron Curtain
ponder this
Attached Images
File Type: jpg xformer phasing.JPG (73.9 KB, 86 views)
__________________
my Papa is smarter than your Nelson !
tnx to clean thread ; Cook Book ; PSM LS Cook Book ; Baby Diyaudio FORUM ; BAF Forum & Gallery;I'm dumb
  Reply With Quote
Old 20th August 2011, 11:09 PM   #7
diyAudio Member
 
buzzforb's Avatar
 
Join Date: Oct 2010
Location: Burlington, NC
Thanks ZM. Just trying to be safe. I will try with variac.
  Reply With Quote

Reply


Hide this!Advertise here!

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
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
Behringer CX2310 Toroid wiring anilva Analog Line Level 5 1st June 2011 01:29 AM
4000VA Toroid Transformer Problem Dr Wattson Power Supplies 41 19th April 2010 11:51 AM
Wiring Toroid 14V non center tapped for PSU civilmonkey Chip Amps 7 23rd September 2006 08:12 PM
Toroid Wiring for Chip Amp hongrn Chip Amps 10 26th October 2005 07:54 PM
Dual primary wiring for Plitron standard toroid sardonx Chip Amps 6 3rd August 2005 05:16 AM


New To Site? Need Help?

All times are GMT. The time now is 06:03 AM.

Page generated in 0.09392 seconds (75.62% PHP - 24.38% MySQL) with 11 queries

Copyright ©1999-2012 diyAudio