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Re: 7mm phone jack

Subject: Re: 7mm phone jack
From: "Scott Fraser" scottbfraser
Date: Wed Apr 8, 2009 10:12 am ((PDT))
<<I'm from the UK and thought I was familiar with USA usage but that's
a new
one on me, Jack is Female, hmm, how counter intuitive!>>

Certainly is. Jill would have made more sense.

<<My understanding & usage is Plugs are Male, sockets Female. Jack
plugs are
on a piece of cable (cord). Jack sockets will be on a panel unless
they are
line sockets, then they will also be on a cable.>>

In the USA "Socket" is never really used for audio connections,
although I think vacuum tubes (valves) are inserted into sockets here.
When I started out I recall being confused by the terminology, until
somewhere in the early 70's I read a text which said in essence "You
plug a "Plug" into a "Jack".

<<There are A Jack Plugs (sometimes called guitar Jacks) 1/4in with a
tip
pretty much as fat as the body. the 2 pole type are commonly called mono
jacks & the 3 pole ones stereo.
B jacks are also 1/4in aka GPO 316 have a small tip. as do bantam Jacks
which in the UK are now commonly thought to be 4.4mm dia. There have
been
other Jacks like that once used by the British post Office & in
aircraft.
But the most common sub 1/4in (or 6.34mm if you like) are the 2.5mmm &
Message: 3.
Subject: 5mm
that are never converted to an Imperial approximation.
John L >>

In the USA Bantam are almost always referred to as "TT", which derives
from Tiny Telephone. These are only found in studio patchbays & a few
select older Midas PA desks.

Scott Fraser











"While a picture is worth a thousand words, a
sound is worth a thousand pictures." R. Murray Schafer via Bernie Krause


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