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FDP Forum / Performer's Corner / is there boost in volume with balanced cord?


Robbinsville, NJ

what do you mean the bass is too loud?
Mar 5th, 2017 11:45 AM   Edit   Profile  

I'm connecting my mixer to a powered
speaker using a 1/4" line connection,
simple TS to TS.

Beside giving me hum-reduction, would
buying a balanced cable (TRS) boost
the volume, since two signal paths
are being combined? Or are there two
half-strength signals being passed?

oldFartUnbalancedBassPlayer Walt

Contributing Member

St. Louis

"Thumbpicks don't slide into soundholes"
Mar 5th, 2017 02:35 PM   Edit   Profile  

I couldn't honestly tell you one way or another other than I've never been able to hear much difference in volume. On long runs I could see it being a bit loud as the low impedance cable should preserve the signal on a long run. I believe on a TRS 1/4 inch both of the send cables when used on a balanced jack sum up the same as low-z cables. Hopefully someone else with more tech savvy can tell you.

Tony Wright
Contributing Member

Stillwater, OK

I never met a calorie I didn't like.
Mar 6th, 2017 06:13 AM   Edit   Profile  

No "boost" unless there is some sort of preamp involved.

Contributing Member

The spotlight

looks like a prison break
Mar 9th, 2017 05:44 PM   Edit   Profile  

Correct. There is no increase of signal occurring.

What XLR (balanced) cables do is carry two identical signals through the center pair--but the signals are 180 degrees out of phase with one another. When the two signals pass through the matching transformer as the other end of the cable, the two signals are summed, which creates a (nearly) perfect image of the original signal. Any induced noise is rejected because it was not part of the original signal.

This explains it really well.

FDP Forum / Performer's Corner / is there boost in volume with balanced cord?

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