Re: [LAU] Berlin Linux Audio meeting @ c-base 2018-10-09

From: Fons Adriaensen <fons@email-addr-hidden>
Date: Sat Oct 06 2018 - 18:15:19 EEST

On Sat, Oct 06, 2018 at 05:10:53PM +0200, Ralf Mardorf wrote:
> On Fri, 05 Oct 2018 13:47:58 +0100, Chris Cannam wrote:
> >A full-size jack is 6.3mm, not 6.5mm. So the image is of everyone
> >turning up and then spending their time trying to jam oversized jacks
> >into undersized sockets. An excellent joke, I thought, if wilfully
> >obscure.
>
> Unfortunately my aged caliper gauge is damaged and not good for
> measuring inner diameter. However, it's good to measure outside
> diameters. At least one of my Neutrik jacks has got a measured outside
> diameter of 6.35 mm, while one of my elCheapo's has got an outside
> diameter of 6.3 mm and there's still much clearance, if I connect
> the 6.35 mm Neutrik to different sockets. I can't say for sure, but the
> inner diameter of a socket might even reach be around 6.9 mm, which
> would likely be enough space to join with a 6.5 mm jack. OTOH data
> sheets from at least two vendors mention an inner diameter of 6.4 mm,
> for the sockets, too small for 6.5 mm jacks. Anyway, I own a lot of
> cables with 6.3 mm jacks, that can't be used with a lot of 6.3 mm
> sockets or they at least don't ensure a safe connection, especially not
> for "mobile" instruments, such as guitars ;).

AFAIK, these are 1/4 inch jacks, which translates to 6.35 mm.

-- 
FA
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Received on Sat Oct 6 20:15:02 2018

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