paulbuk
Joined: 28/09/04
Posts: 26
Loc: Lancs, UK (just NE of Livercoo...
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Q: Source 4-pin Shure 545D male connector - where can I get one in the UK?
#965267 - 20/01/12 05:41 PM
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I'm having a clearout and I have found an old Shure 545d which I've had since the mid '80s
and found it recently in an old case in the loft, now maybe wish to re-use it, but if my
memory serves me well, the 4-pin connector died and that's probably why it was stored. Can anyone tell me where I can get a replacement 'male' connector at a reasonable
price in the UK, googling suggests it is a "Amphenol part number 91-MC4M2". But
RS-Components is 'discontinued, and eBay has one via Audiospares: ebay link - audiosparesHowever I'm not sure if
they are the same and Audiospares can't help with my query about old gear
compatibility. I'm after a cheap price, not an overpriced US one. I may get it
working with a new cable and sell on eBay. Thanks in advance. Paul B 
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Hugh Robjohns
SOS Technical Editor
Joined: 25/07/03
Posts: 18399
Loc: Worcestershire
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Re: Q: Source 4-pin Shure 545D male connector - where can I get one in the UK?
[Re: paulbuk]
#965276 - 20/01/12 06:19 PM
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paulbuk
Joined: 28/09/04
Posts: 26
Loc: Lancs, UK (just NE of Livercoo...
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Re: Q: Source 4-pin Shure 545D male connector - where can I get one in the UK?
[Re: Hugh Robjohns]
#965279 - 20/01/12 06:34 PM
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Thank you Hugh, you star you!! That does indeed look the same and certainly the same
as the AudioSpares, but I'm wary of the diameter (male to female). The Shure 545D has a
screw on connector, looking very similar to the one shown and past googling suggests that
the connector type was popular with Ham radio geeks and high-end audiophiles. I've been
recording since '84, but had never come across such connectors only having experienced
XLRs. Would someone care to enlighten me and the younger generation who may
come across similar mikes at car booties, I'm sure (excuse the pun) they'll pop up since
retro is again fashionable, even if only for a fiver. Cheers, Paul
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Hugh Robjohns
SOS Technical Editor
Joined: 25/07/03
Posts: 18399
Loc: Worcestershire
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Re: Q: Source 4-pin Shure 545D male connector - where can I get one in the UK?
[Re: paulbuk]
#965281 - 20/01/12 06:41 PM
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I think the internal connections are standard DIN format. The outer shell is the trickier
bit. Standard Dins are push fit only. Some versions have a hook-catch arrangement a bit
like an XLR. The Preh version I linked above has a bayonet action collar to lock it in
place. But there are also screw-collar versions too, which is probably what you need.
Binder make some.
I think this is one too:
http://cpc.farnell.com/pro-signal/psg03447/din-plug-locking-4p/dp/AV19808<
/a>
Do you need a cable plug (pins in the central insert) or socket (sockets
in the insert)?
Canford does a 3-pin Binder version which it claims it
compatible with a lot of old mics:
http://www.canford.co.uk/ProductResources/ig/1767.pdf
hugh
-------------------- Technical Editor, Sound On Sound
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paulbuk
Joined: 28/09/04
Posts: 26
Loc: Lancs, UK (just NE of Livercoo...
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Re: Q: Source 4-pin Shure 545D male connector - where can I get one in the UK?
[Re: Hugh Robjohns]
#965293 - 20/01/12 08:14 PM
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Indeed Hugh, it is the screw type with the bayonet groove. I'll checkout your ref docs. Crikey, is that all it is, a 4-pin DIN?? thought it was a lot more than that! Dropbox images: 545d-01545d-02 I sourced it 2nd hand around '85, I had the
original cable, but I think the male connectors' plastic melted at some point, then I
threw it in a case. I own way too many great mikes now, but some retro in my C5/Tascam FW
DAW could be nice me thinks. (-: Paul =-=-=-=-=-=-=-=-=-=-= Drupal7 LAMP WebDev =-=-=-=-=-=-=-=-=-=-= Ubuntu rocks!
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ef37a
Joined: 29/05/06
Posts: 5629
Loc: northampton uk
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Re: Q: Source 4-pin Shure 545D male connector - where can I get one in the UK?
[Re: paulbuk]
#965342 - 21/01/12 06:27 AM
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That does not look like a DIN to me, the thread diameter is too big IMHO. Also the only
DIN plug I have ever seen with that square pin format was the shortlived "domino"
headphone DIN (probably got one somewhere!)
If you want to test out the mic
before chancing a connector just find the output coil with a meter, probably read about
100Ohms if it is a lowZ mic then use a short XLR to FA lead and poke the wires in, wrap
the shield to the body and gaffer it all up. A balanced LZ mic will not hum on such a
small bit of unshielded lead but you might get some RF in there!
Whilst on
obsolete connectors. I still have a Revox A77 remote plug, free to a deserving cause!
Dave.
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paulbuk
Joined: 28/09/04
Posts: 26
Loc: Lancs, UK (just NE of Livercoo...
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Re: Q: Source 4-pin Shure 545D male connector - where can I get one in the UK?
[Re: ef37a]
#965354 - 21/01/12 11:10 AM
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Thank you Dave for your reply which is very helpful. If my memory serves me correct,
the male pins on the original 545D cable connector were round, though as you say the
female does look square, it's more like London underground 'logo' so to speak with the
male round pin element going into female. I don't remember the pins being of a similar
shape, merely just round pins. Since you mention other connectors, it just
occured to me that my well worn DT100's also have a similar pin connector block on the
headphone side, but of course this is a rectangular shaped block, but the connection
process is the same. Your advice on testing is very helpful and something I
will look into as I have a multi-meter to hand. Regards, Paul B
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ef37a
Joined: 29/05/06
Posts: 5629
Loc: northampton uk
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Re: Q: Source 4-pin Shure 545D male connector - where can I get one in the UK?
[Re: paulbuk]
#965429 - 21/01/12 06:28 PM
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Sorry Paul I may have misled you!
DIN pins are always round AFAIK what I meant
was the pin arrangement. Virtually all DIN connectors are based on either pins set on a
1/2 circle, 180dgr or "A" type or on a 240dgr part of circle, the "B" type.
That mic looks like neither and the pins are set as to the corners of a square, as is
the domino DIN. If the mic proves worthy of spending a bob or two on, there looks to be a
locking screw keeping the connector assembly in place and it might be possible to remove
it and get an XLR plug turned down to fit. The screw will almost certainly be stuck in
with a locking compound, judicious warming with a hairdryer will release it.
Dave.
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James Perrett
Joined: 10/09/01
Posts: 9660
Loc: The wilds of Hampshire
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Re: Q: Source 4-pin Shure 545D male connector - where can I get one in the UK?
[Re: paulbuk]
#965737 - 23/01/12 10:46 AM
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I seem to remember that the pins on the 545 were a larger diameter than the pins on a DIN
plug and I ended up permanently soldering a cable to mine. James.
-------------------- JRP Music - Audio Mastering and Restoration.
http://www.jrpmusic.net
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