I have this transformer, and it doesn't say what pins 2 and 3 do or go. 



RuudNL

Re: Transformer help! What does pins 2 and 3 do? Where do they go?
« Reply #1 on: January 21, 2021, 11:20:18 AM »
They go probably nowhere! (Not connected.)
There is a solution for every problem!

http://www.vansteenisaudio.nl

Re: Transformer help! What does pins 2 and 3 do? Where do they go?
« Reply #2 on: January 21, 2021, 11:24:14 AM »
They go probably nowhere! (Not connected.)

Ahhh ok, so I can leave them unconnected (floating)

Script

Re: Transformer help! What does pins 2 and 3 do? Where do they go?
« Reply #3 on: January 21, 2021, 12:08:50 PM »
Or pin 2 connects to pin 3 and this had been done by the manufacturer before the TX was packed and shipped. Could check connectivity using multimeter. Either way, schematic says pins 1 and 4 should be connected internally.

JohnRoberts

Re: Transformer help! What does pins 2 and 3 do? Where do they go?
« Reply #4 on: January 21, 2021, 12:24:13 PM »
Or pin 2 connects to pin 3 and this had been done by the manufacturer before the TX was packed and shipped. Could check connectivity using multimeter. Either way, schematic says pins 1 and 4 should be connected internally.
while a bit esoteric some avoid using VOM to measure audio transformers to prevent inadvertent magnetization (from DC current).

I doubt this is a serious concern, but in the spirit of WWW veers here's today's TMI.

JR
It's nice to be nice....

Script

Re: Transformer help! What does pins 2 and 3 do? Where do they go?
« Reply #5 on: January 21, 2021, 01:29:03 PM »
 :)
Language -- my bad. Not connectivity but check connection by measuring ohm.

Funnily enough some  Edcor transformers actually do look like they should have four pins but one is missing. It's two windings connected in-factory for centre-tap.  A production streamline decision, I guess. Not esoteric, but cheap.

ruffrecords

Re: Transformer help! What does pins 2 and 3 do? Where do they go?
« Reply #6 on: January 21, 2021, 04:56:04 PM »
Most transformers are fitted to a standard former with a fixed number of pins. Often the transformer design does not need to use all the pins so the manufacturer just does nothing with the ones it does not need.. Sometimes they might clip one off to help with orienting the part.

Exactly which transformer are we talking about?

Cheers

Ian
www.customtubeconsoles.com
https://mark3vtm.blogspot.co.uk/
www.eztubemixer.blogspot.co.uk


'The only people not making mistakes are the people doing nothing'

RuudNL


ruffrecords

www.customtubeconsoles.com
https://mark3vtm.blogspot.co.uk/
www.eztubemixer.blogspot.co.uk


'The only people not making mistakes are the people doing nothing'

 

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