I do have calipers, and I just measured 8 of the plugs I have in stock.
They were ordered both as 1/8 inch and 3.5mm plugs, and they all measure
0.135 inches.
Unless you have very old true 1/8 inch plugs (likely mono), I don't
believe you have any fit problems.
The current "1/8 inch" and "3.5mm" plugs are identical. Those are
'nominal' dimensions.
73,
Don W3FPR
On 3/15/2014 7:28 PM, Joe Subich, W4TV wrote:
Charlie,
I don't have a set of calipers or mikes handy but grabbing a steel
rule and measuring three 3.5mm plugs at random off my bench - they
all look to be 9/64 (0.14"). I do know that I've thrown out all of
the 1/8" plugs I had because they make such bad contact in equipment.
I don't know of any amateur manufacturer that is still using 1/8"
jacks. They can be damaged if one forces a 3.5mm plug into them.
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