Balanced cable technical question

[Sherwood]

Hi,

I wonder if the techies here can answer a question about this adaptor.

https://www.ebay.co.uk/itm/4-4mm-to-Dual-XLR-Male-Balanced-Audio-Headphone-Adapter-Silver-Plated-Cable-3-FT/392392545344?_trkparms=aid%3D555018%26algo%3DPL.SI M%26ao%3D1%26asc%3D60273%26meid%3D4e37617b2df74fef 8520f107b90f5ebb%26pid%3D100005%26rk%3D4%26rkt%3D1 2%26mehot%3Dpf%26sd%3D392392598723%26itm%3D3923925 45344%26pmt%3D1%26noa%3D0%26pg%3D2047675&_trksid=p2047675.c100005.m1851

I am looking for an adaptor to allow me to connect a balanced output with a 4.4mm socket to a pair of monoblock power amps with balanced inputs.

This looks suitable in that it is a 4.4mm to dual xlr adaptor. However, I notice that only 2 of the 3 xlr pins are wired. As I understand it, a balanced cable has a 3rd connection for ground alongside the 2 +/- signal cables.

Any advice welcomed.

[struth]

That I think is a 4.4mm balanced audio player to an amp or preamp. You can get them with the ground too, for active speakers.

[Light Dependant Resistor]

Hi Geoff
Yes that cable will not function correctly, as pictured in the sellers images, as it is missing Pin 1 XLR as ground.

The rear part of the cable beyond the R- ,would need to connect to the silver braid screen, possibly it already does this.
In the circumstance, just ask the seller to test continuity between the 4 pin rear ground metal, to the right of R-, and XLR Pin 1
for each channel

With a lot of eBay sellers they simply on-sell from another supplier, but if they are a good seller they will get an answer for you
confirming if ground from the 4 pin connects to Pin 1

Hope that helps

[Metlor]

Is it possible the shield connection is not shown ?

I can recommend you try Mark Grant cables, he may be able to build you one.

[Sherwood]

Hi,

I wonder if the techies here can answer a question about this adaptor.

https://www.ebay.co.uk/itm/4-4mm-to-Dual-XLR-Male-Balanced-Audio-Headphone-Adapter-Silver-Plated-Cable-3-FT/392392545344?_trkparms=aid%3D555018%26algo%3DPL.SI M%26ao%3D1%26asc%3D60273%26meid%3D4e37617b2df74fef 8520f107b90f5ebb%26pid%3D100005%26rk%3D4%26rkt%3D1 2%26mehot%3Dpf%26sd%3D392392598723%26itm%3D3923925 45344%26pmt%3D1%26noa%3D0%26pg%3D2047675&_trksid=p2047675.c100005.m1851

I am looking for an adaptor to allow me to connect a balanced output with a 4.4mm socket to a pair of monoblock power amps with balanced inputs.

This looks suitable in that it is a 4.4mm to dual xlr adaptor. However, I notice that only 2 of the 3 xlr pins are wired. As I understand it, a balanced cable has a 3rd connection for ground alongside the 2 +/- signal cables.

Any advice welcomed.

Thanks all for the advice. I contacted the vendor and they have confirmed that the cable is grounded. Even redrew the wiring diagram on the ad!

[Light Dependant Resistor]

Thanks all for the advice. I contacted the vendor and they have confirmed that the cable is grounded. Even redrew the wiring diagram on the ad!

Great result, Geoff

[Barry]

According to the eBay supplied image for the lead:

https://i.ebayimg.com/images/g/lEcAAOSw6IVdrq0z/s-l1600.jpg

It will meet the requirements of connecting a balanced source to a balanced load.

[Radford Revival]

Good old XLR pin 1, completely pointless yet the cause of so many problems!