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Adapt Old Headphones to a 3.5mm jack?


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If you wanted to use these for, say, listening to music you would need a new plug and - because these are high impedance - maybe a matching transformer.

 

But even then you would have mono earphones.

 

The plugs on these are similar to - but not the same as - ones used in civilian gear, so there is not, as far as I know, any sort of adapter plug you can just plug in: you'd probably have to remove the current plug and replace it.


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If you wanted to use these for, say, listening to music you would need a new plug and - because these are high impedance - maybe a matching transformer.

 

But even then you would have mono earphones.

 

The plugs on these are similar to - but not the same as - ones used in civilian gear, so there is not, as far as I know, any sort of adapter plug you can just plug in: you'd probably have to remove the current plug and replace it.

 

Yeah, I was thinking just for day to day use (which they would probably be terrible at given their age but they look cool :D ).

 

I was wondering if adapters were made for these but I guess not. (Is it a quarter inch jack?)

 

Thank you for your reply

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  • 2 weeks later...

That PL-54 on those headphones is 1/4 inch in diameter but is too short to fit a standard 1/4 jack.

 

You can buy a CD-307 adapter cord from FairRadio.com that will adapt the headphones to a standard 1/4 inch or just buy a JK-26 jack and make your own.

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