[mtavares]

Hi,

I would much appreciate to confirm what is the proper interconnect cable for the Behringer iNUKE 1000DSP? Currently I am using the following XLR to RCA cable.
https://www.amazon.com/Monoprice-Connectors-Shielded-Oxygen-Free-Conductors/dp/B001VLW398/ref=sr_1_1?s=hi&ie=UTF8&qid=1528252262&sr=8-1&keywords=monoprice+xlr+to+rca

However, I am not sure that we are handling with an unproper gain between the subwoofer output of my Marantz SR7002 receiver and the INUKE. Are the following options more appropriate?

a) RCA to 1/4 Adapter + RCA cable
https://www.amazon.com/MOBOREST-6-35mm-Female-Interconnect-Adapter/dp/B078R2FBC9/ref=sr_1_14?s=electronics&ie=UTF8&qid=1528252709&sr=1-14&keywords=rca+to+1/4+mono

b) RCA to 1/4 cable (stereo)
https://www.amazon.com/dp/B006H9ZDRI/ref=psdc_3236443011_t3_B078R2FBC9?th=1


Thanks in advance by the support.

Best Regards,

QJA

Marcos

 

[fusseli]

What's the actual problem with the gain you are having?

I go straight from my Denon X3300W with my inuke with a mono 1/4" to rca adapter and it works great.

 

[mtavares]

Currently, I am clipping this amplifier driving a single subwoofer DIY (Epic 12 driver) in a Bridge mode.

My concern is that using the RCA to XLR cable, I am reducing the gain by 6dB?

In the spec of the Behringer iNUKE 1000DSP it states that the input impedance is 10Kohms for the unbalanced and 20Kohms for the balanced. Considering this data, will the XLR conector cause and lower gain in the chain?

The way you are connecting, seems more appropriate.

Maybe I am missing something.

QJA

Marcos

 

[mtavares]

After some research, I verified that the options are equivalent, based on the two points that I have not understood initially.

1) iNUKE User Manual
5.2.1 Audio inputs
Each channel input uses combo jacks that can accept both balanced XLR and
¼" TRS stereo connectors, as well as unbalanced ¼" TS connectors. To deploy XLR
connectors for unbalanced signals, bridge pins 1 and 3; mono ¼" TS connectors
do not require any alteration to carry unbalanced signals.


2) Monoprice cable description
An XLR to RCA cable converts a balanced audio signal into an unbalanced signal. This is good for sending audio signals from an XLR source to an RCA input, or vice versa. Regardless of direction, the result will be an unbalanced signal.

This is a premium quality cable with gold plated connectors at each end. The cable is made with two 16 AWG oxygen-free copper conductors, in a twisted-pair arrangement, and is shielded along the full length with copper braid with 97.5% coverage.

This cable uses the standard pinout with pins 1 and 3 of the XLR connector wired to the shield of the RCA plug and pin 2 of the XLR connector wired to the tip of the RCA plug.
https://www.monoprice.com/product?p_id=4777

I apologize by my lack of initial research. You can simulate an unbalanced signal with this cable.


QJA

Marcos

 

[fusseli]

No problem.

Clipping the amp might mean the gain is too high, not too low.