fluxivity

More XFMR qeustions this time ADM
« on: May 27, 2006, 10:28:49 AM »
Dang I got a fat lot of new boards with funky transformers on them. This time it's from an ADM console. I'm pretty sure they're outputs (big and square.) One is legended 3083 and the other is 3-010-5197-0. Anybody have any idea.
Thanks and thanks again
Paul


CJ

More XFMR qeustions this time ADM
« Reply #1 on: May 30, 2006, 01:49:18 PM »
No clue.
Pictures? Specs?
If I can't fix it, I can fix it so nobody else can!
Frank's Tube Page: www.mif.pg.gda.pl/homepages/frank/vs.html
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gyraf

More XFMR qeustions this time ADM
« Reply #2 on: May 30, 2006, 02:46:32 PM »
Find schematics for that console, they'll tell you a lot..
..note to self: don't let Harman run your company..

Brian Roth

More XFMR qeustions this time ADM
« Reply #3 on: May 31, 2006, 01:08:30 AM »
ADM used what was apparently the same output iron on many of their products.  Four are visible in this rackup I did awhile back:

http://www.brianroth.com/projects/tfine/adm-inside.jpg

They are 1:2 ratio for increased output levels from the driving circuits.

Bri
Brian Roth Technical Services
Salina Kansas, home of the best vinyl on the planet!

http://www.BrianRoth.com
recordingservicesandsupply.com/
www.qualityrecordpressings.com/
store.acousticsounds.com

Whoops

Re: More XFMR qeustions this time ADM
« Reply #4 on: February 17, 2016, 01:40:40 PM »
I also have an ADM Mic Pre module with the black output transformer and with a round input transformer also,
will check to if if theres a marking on the input transformer.

Anyone has any schematics of this modules?

thank you

Whoops

Re: More XFMR qeustions this time ADM
« Reply #5 on: February 17, 2016, 03:04:47 PM »
The input transformer is 2787, can't really understand the other markings, people say the ADM used UTC input transformers, i dont really know if this is an UTC or not.



The preamp in based on an ADM discreet Opamp


gyraf

Re: More XFMR qeustions this time ADM
« Reply #6 on: February 17, 2016, 11:26:43 PM »
2787 could well be the date code, week/year..
..note to self: don't let Harman run your company..

Whoops

Re: More XFMR qeustions this time ADM New
« Reply #7 on: February 17, 2016, 11:45:07 PM »
2787 could well be the date code, week/year..

I'm tracing my ADM modules at the moment so I can rack them.

The input transformer I have seems to have this code:

3-010-5944-0 or 3-010-5044-0




The pinouts are:

Primary
Pin5  - input +
Pin1  - input -

Secondary
Pin7 - Out
Pin6 - audio Ground

Pin8 (shielding) - to case/earth ground

« Last Edit: January 01, 2018, 11:20:51 AM by Whoops »


 

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