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what type of connector on sony wireless?

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Hello all,

Firstly, I have been looking around here for quite a few months and would like to thank everyone here for all the invaluable information shared, I have learnt loads and have solved many issues due to peoples generosity in this group.....

I've got this old sony wireless kicking around and now want to use as a wireless hop so need to make a cable....

Been looking through all the connectors and can't find a similar one, I think it's a hirose? anyone know the type / catalogue name? I'm in the UK


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Its a UTX-B1, I've googled and googled but can't find out which hirose model number it is... I suspect it is either HR11 or RM12?

can't find any wiring diagram for the pins either....

Pin 1 is usually the ground in most multi pin connectors. If the tx input is wired balanced then the normal 1=ground, 2=positive & 3=negative is a good place to start. If it's wired unbalanced at the input use the same wiring at the tx input but wire the XLR-F that connects to the mixer output as follows: Pins 1 & 3=ground, pin 2=positive.


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  • 5 years later...

The male connector is a Sony SMC-9-4P.  If you're after one, buy the mic, throw it away and keep the connector.   Then your could probably put something REALLY beautiful on it like a Voice Technologies VT401.  Then check the videos out of the 2018 Oscars and Golden Globes and you might just be able to see the 1.7mm VT401.  They were used there, but definitely not into a Sony, most likely Lectro.  And for that matter the smart Sound Sup DID NOT use a Sanken COS11D.


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  • 2 years later...
On 9/19/2012 at 8:47 PM, bassmagnetic said:

Found it!

Hirose: KMC9BPD-4P(71)


in case anyone ever needs to find one sometime, bit tricky to find.... thanks for the wiring, I'll give it a go....

Man thank you I have been trying to find this connector for years! I also have the sony UTX-B1

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  • 3 weeks later...

looks like the KMC9BPD-4P(71) is discontinued



Anyone knows if this is the correct replacement?



EDIT: I have this now



and in the row #74 the replacement for KMC9BPD-4P(71) is KMC9BPD-4P(31)


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