I must have been, too. The first I've ever heard it referred to as 7mm was
in your message... which is, I assume, in response to a different post.
Rest assured, Roger, you're not alone. I've never known it as anything BUT =
a
1/4" jack - oncethe standard heaphone size and still common on guitar
cables, patchbays, PA and other audio equipment, etc.
At least now, when you buy headphones, many still come with an adapter so I
can use them in my ancient stereo eqipment.
But there's still hope. My 14-year-old desperately wants me to get him a
turntable...
On Sun, Apr 5, 2009 at 6:58 AM, Roger.Norwood <
> wrote:
> I think I must have been asleep! Just when did the quarter-inch jack
> become the 7mm phone jack?
> I used to use quarter-inch tape in the past, discussions of which have
> appeared in this group frequently but nobody refers to it as 7mm tape do
> they?
> I know when the mini-jack arrived it was known as the 3.5mm jack, as it
> didn't quite measure/8th inch, but presumably the inventor/developer deci=
ded
> to design it from a metric beginning.
> The quarter-inch jack was originated in imperial, not metric measurements
> and I can only ever call it a quarter-inch or mono jack and refer to the
> stereo version as balanced or TRS depending on its use or context. Perhap=
s
> it measures 7mm but its not how I see it.
> Roger
>
>
>
>
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