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kipman725 12th November 2019 09:00 AM

Connector like XLR with more pins?
I'm looking for a connector and cable (0.75m) to transfer (ideally) 6 channels of balanced audio from one rack to another. I already have a connection panel with holes for XLR/speakon connectors on one of the racks so I'm looking for something compatible with that.

billshurv 12th November 2019 09:38 AM

6 channels balanced is 18 pins. XLR maxes out at 7 pins so you are looking for something else.

Have a look here UTO Series - Metal IP68/69K Connector for Intensive Use High speed connectors | SOURIAU SUNBANK Connection Technologies these go to at least 19 ways, but are a challenge for the hamfisted to solder

JonSnell Electronic 12th November 2019 10:04 AM

We used to call them Plessey Plugs, now called ITT or Cannon plugs; Connectors

Have a look at the RS catalogue; XLR Connectors | RS Components
And another source; 16 Pin Aviation Connector PG Waterproof Plug RA28 Circular Industry Female -

BamboszeK 12th November 2019 11:01 AM

Getting such dense connector in XLR size might be troublesome. You might think about sticking to more standardized concept such as AES59. Up to 8 balanced channels thu 25 pin D-SUB connector, aslo known as Tascam. Cables looks like that - KLOTZ AIS GmbH | TASCAM™ 8 channel loom analog IN: D-Sub 25p. male - 8x XLR 3p. male

6vheater 12th November 2019 02:20 PM


Originally Posted by kipman725 (
I'm looking for a connector and cable (0.75m) to transfer (ideally) 6 channels of balanced audio from one rack to another.

I've done that.
Did you know?
There are 5 pin XLR, 4 pin XLR, both of which transfer balanced signals.
Those are quite nice, but can be overkill.

There are also MINI XLR, which are terrific, if you are tight for space, and can make an adaptor cable from Mini-5pin XLR then on to multiple 3 pin XLR at the hot end.

In this case you can get 2 balanced channels per plug x 3 and put it thru a STD multi 8 -16 or 32 channel studio harness to the other end.

kipman725 12th November 2019 02:32 PM

I shouldn't have a problem using only a single ground pin per connector as all the signals are coming from the same DSP. So that means on a 7 pin XLR I could carry 3 audio channels, so the whole lot could be done in just two connectors and two cables. At the moment I have two 3pin XLR between the racks so this is an almost the same and would seem the easiest solution.

The DB25 might would be the most elegant and cables are potentially cheap but I don't have tools to work metal well so adapting my patch panels to have a DB25 is a lot of work and will look ugly.

The round very high pin count connectors I have looked out don't seem to have the same mounting hole size as XLR connectors and I have no idea where to get complete cable assemblies. They also seem to be very expensive in some cases.

kipman725 12th November 2019 08:07 PM

I think I have found a solution, if I use db15 I can get pass throughs that fit xlr punchouts. I only ever run mono sub so I can reduce to 5 signals and then everything fits on one connector with cheap readily available cabling.

MAAC0 14th November 2019 12:01 AM

Some folks use RJ45 for 4 mic stage boxes. That would be 2 cables since each one can carry 4 channels using the sleeve as ground.

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