Re: Balanced connections on domestic equipment.


"David Looser" <david.looser@xxxxxxxxxxxxxx> wrote in message
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"Don Pearce" <spam@xxxxxxxx> wrote in message
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On Sat, 13 Jun 2009 08:22:37 +0100, "David Looser"
<david.looser@xxxxxxxxxxxxxx> wrote:

"Dave Plowman (News)" <dave@xxxxxxxxxxxxxxx> wrote in message
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In article <79ft8mF1qob29U1@xxxxxxxxxxxxxxxxxx>,
David Looser <david.looser@xxxxxxxxxxxxxx> wrote:
Indeed, there are only two types of jack TRS and TS,

2-pole and 3-pole, where did this "TRS" stuff come from?

Tip ring sleeve.

Yes, I know what the letters stand for. I'm just asking when, and why,
the
term "3-pole" was deemed insufficient and "TRS" was substituted.


TRS tells you what type of three pole you are dealing with. Otherwise
you might show up with a 13 amp mains plug.


It seems to be an Americanism and a fairly recent one if my experience is
anything to go by.

To me,. it's the standard convention which was in use
studios/broadcast long before I joined in the 60s.

Over here they are "jack-plugs". I note that Dave Plowman seems to reserve
the term "TRS" for B-gauge plugs, this really does seem to be an area where
every little portion of the audio and telecoms industries have their own
particular terminology, no wonder there is so much confusion.

As all three types of standard quarter inch plugs
(GPO, TRS and TS) are found commonly in studios,
we need to differentiate between them. Bantam are also
common in patch bays.

Iain


.

Relevant Pages

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  • Re: Balanced connections on domestic equipment.
    ... As all three types of standard quarter inch plugs ... (GPO, TRS and TS) ... It seems to be common practice to use ther term"GPO" when ...
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  • Re: Balanced connections on domestic equipment.
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  • Re: How much current safe for 30m extension?
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  • Re: How much current safe for 30m extension?
    ... Our location sparks use 2.5mm TRS for most uses - and as many things may ... have to plug into a house supply at some point, use 13 amp adaptor leads ... Think the 13 amp plugs they use are Duraplugs ...
    (sci.electronics.equipment)