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

Instruments and Amps Everything that makes music, Especially including instrument amps.

Need Help w/XFMR's
Need Help w/XFMR's
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 25th January 2016, 11:33 PM   #1
Freecrowder is offline Freecrowder  United States
diyAudio Member
 
Join Date: Jun 2007
Default Need Help w/XFMR's

I need help identifying a couple of Hammond XFMR's.
First AO-16670-5
and AO-16682-1

I think the first is a power XFMR??
  Reply With Quote
Old 26th January 2016, 03:01 AM   #2
gingertube is offline gingertube  Australia
diyAudio Member
 
Join Date: Oct 2004
Location: Adelaide South Oz
Maybe wrong so treat this with a grain of salt
I think these are the power and output trannies for a Hammond Organ Power Amplifier Type 6.
AO-16670-5 Power Tranny. 5V@3A for a 5U4 rectifier, 430-0-430 HV, 6.3V @ ? amps.
The 6.3V supplies heaters for a quad of 6V6 and a pair of 6J5 for the phase splitter.
Power supply was choke input and included a back bias wiring scheme to give 280V B+ and -16V bias.

AO-16682-1 Is the Output tranny for PPP 6V6. Probably about 4K Raa.

Maybe someone else can confirm or correct the above.

Cheers,
Ian
  Reply With Quote
Old 26th January 2016, 12:44 PM   #3
Freecrowder is offline Freecrowder  United States
diyAudio Member
 
Join Date: Jun 2007
I'm interested in the output trannie. Do you think it was for an amp with a quad of PP 6V6's? I need an output for a pair of 6V6's. I"m not sure if that 4K value might be a little low. Trying to use in guitar amp but not sure how well that would work out.
  Reply With Quote
Old 26th January 2016, 08:54 PM   #4
gingertube is offline gingertube  Australia
diyAudio Member
 
Join Date: Oct 2004
Location: Adelaide South Oz
Reference
https://ia802605.us.archive.org/34/i...C2_C2_text.pdf

page 120 which has page "3-41" on it. The copy quality is not great and so not absolutely sure of the tranny numbers. The file is >6MB. There is a full pdf version at that site which is >60MB, I don't really expect it to be more readable.

I used these for 2 off 6V6 PP Guitar Amps with great results. A medium quality HIFI OT.
86PP output transformer

Cheers,
Ian
  Reply With Quote

Reply


Need Help w/XFMR'sHide 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
power xfmr specs vs audio xfmr specs hitsware Parts 14 4th June 2012 07:02 PM
Looking for specs on this Beyer Xfmr Goldstache Tubes / Valves 2 12th December 2011 11:00 PM
XFMR Help? Goldstache Tubes / Valves 2 9th December 2011 12:38 PM
PWR XFMR wiring skipper Tubelab 6 15th March 2011 04:17 AM
Power XFMR Choice sherpa Tubelab 3 18th October 2010 09:05 AM


New To Site? Need Help?

All times are GMT. The time now is 06:59 AM.


Search Engine Optimisation provided by DragonByte SEO (Pro) - vBulletin Mods & Addons Copyright © 2019 DragonByte Technologies Ltd.
Resources saved on this page: MySQL 15.00%
vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2019 DragonByte Technologies Ltd.
Copyright ©1999-2019 diyAudio
Wiki