[sdiy] stereo output questions.....
Neil Johnson
neil.johnson97 at ntlworld.com
Sun Sep 28 00:15:11 CEST 2008
Actually, its 'jack plug' and 'jack socket', but to follow your
analogy shouldn't it be 'jackie socket'..?
Neil
On 27 Nov 2008, at 21:20, jvastine wrote:
> ...this has been an informative thread...perhaps somebody knows the
> answer to this:
> Now we all know that connectors have 2 components, the male
> component commonly called a plug and the female component commonly
> called a jack. I am sure that everybody understands the male/female
> references here, so with this in mind, why isn't the plug called a
> jack & the jack called a jill?
>
> Just a bit of food for thought or a good laugh!
>
> jvastine
>
> ---- Adam Schabtach <lists at studionebula.com> wrote:
> Uli Berhinger wasn't even born when the term TRS was coined. See this
> reference:
> http://books.google.com/books?id=BFcJAAAAIAAJ&pg=RA11-PA36&dq=tip
> +ring+sleev
> e+date:0-1922&as_brr=1
> That's from a book published in 1907. Also see:
> http://books.google.com/books?
> id=d7ft6F8ZUdcC&pg=PA64&ots=1f0MXwIa6s&dq="pho
> ne+plug"+"phone+jack"&sig=seKs_oIeUQ-H70mdDWp7cdMqruw#PPA64,M1
> That's a 20-year-old Yamaha publication. Note that no mention of
> _wiring_ is
> attached to the diagrams for the TRS connectors. Also see pages
> 291-294 for
> usage of the term TRS independent of wiring.
>
> The product page you cite in fact says "fully balanced high-quality
> 1/4" TRS
> connectors". If "TRS" implied balanced, why would they use
> "balanced" in
> that statement? It would be redundant. Ditto for the description of
> a dbx
> product here:
> http://www.dbxpro.com/166XL/166XL.php
> Note the bullet item "Balanced inputs and outputs on 1/4" TRS and
> XLR". The
> manual for that product says "SIDECHAIN INSERT Jack: This jack
> accepts a
> standard TRS 1/4" phone plug and provides a connection to the 166XL
> detector
> path. The RING
> acts as a Send, carrying a buffered version of the signal present
> at the
> 166XL INPUT jack, at an impedance of 2k[ohm]. The TIP acts as a
> Return for
> equipment to feed the 166XL's detector circuitry, such as an
> equalizer for
> de-essing or frequency sensitive gating/compression."
>
> Seems to me that manufacturers agree with me.
>
> --Adam
>
>> -----Original Message-----
>> From: Graham Atkins [mailto:gatkins at blueyonder.co.uk]
>> Sent: Thursday, November 27, 2008 1:12 PM
>> To: lists at studionebula.com
>> Cc: 'sdiy'
>> Subject: Re: [sdiy] stereo output questions.....
>>
>> A 3-circuit 1/4" jack can be used to carry stereo audio but
>> many companies are usig them to carry balanced audio
>> presumably because XLR connectors would add to the cost. They
>> have traditionally been refered to as a stereo jack.
>> The use for balanced audio is relatively recent and the name
>> "TRS" is used for this purpose. With headphones you have
>> either a mono or stereo jack, not TRS. Just look at a few
>> manufacturers such as this :-
>>
>> http://www.behringer.com/PX1000/?lang=ENG
>>
>> Graham
>> On 27 Nov 2008, at 19:30, Adam Schabtach wrote:
>>
>>> Um, no, Jure is right. TRS refers to the physical connector; it has
>>> nothing to do with the signal you carry on the connector.
>> Consider a
>>> pair of stereo
>>> headphones: it uses a TRS plug and carries an unbalanced pair of
>>> signals.
>>> TRS jacks are also used on some mixing desks for patching insert
>>> effects.
>>> One conductor carries the "send" signal, the other carries the
>>> "return"
>>> signal, and the sleeve is used for ground.
>>>
>>> Or, for a second opinion:
>> http://en.wikipedia.org/wiki/Tip_ring_sleeve
>>> (Not that Wikipedia is the definitive reference, but it does have a
>>> lengthy
>>>>>>
>>
>>
>
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