TRS > XLR Balanced VS TRS > RCA Balanced to Unbalanced (Volume drop)
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TRS > XLR Balanced VS TRS > RCA Balanced to Unbalanced (Volume drop) Posted on: 11.04.2013 by Syreeta Piela Hi All,Here's the scenario. Previously running 2 x KRK Rokit 6's from my NI Komplete Audio 6 with the following cable connections. Balanced TRS output on the Audio 6 > Unbalanced RCA on the KRK's (I was using an RCA cable with a TRS jack on the end plugged into the Audio 6, with the RCA end plugged into the KRK) Received 2 TRS > XLR cables today & switched to them Now running with the following: Balanced TRS output on the Audio 6 > Balanced XLR input on the KRK. I'm noticing a considerable amount of volume LOSS when using the TRS > XLR, purely by switching the cables. Can anyone shed some light on this? Much appreciated. J | |
| Jerica Salava 11.04.2013 |
Originally Posted by DJ Abide
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| Syreeta Piela 11.04.2013 | Hi All, Here's the scenario. Previously running 2 x KRK Rokit 6's from my NI Komplete Audio 6 with the following cable connections. Balanced TRS output on the Audio 6 > Unbalanced RCA on the KRK's (I was using an RCA cable with a TRS jack on the end plugged into the Audio 6, with the RCA end plugged into the KRK) Received 2 TRS > XLR cables today & switched to them Now running with the following: Balanced TRS output on the Audio 6 > Balanced XLR input on the KRK. I'm noticing a considerable amount of volume LOSS when using the TRS > XLR, purely by switching the cables. Can anyone shed some light on this? Much appreciated. J |
| Alphonso Deitchman 11.04.2013 | You can't "sum" the two outputs of a balanced connection, since you'll end up with 0 signal. I'm guessing that the RCA and XLR sockets of your speakers are simply designed with the output power of your sound device in mind. Things with XLR outputs generally put out a much hotter signal than those with RCA. |
| Lashay Walchak 11.04.2013 | http://www.rane.com/note110.html The good peold at Rane have made this gem. |
| Jerica Salava 11.04.2013 |
Originally Posted by DJ Abide
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| Syreeta Piela 11.04.2013 | Cool. So there's a possibility I'm now hearing the true audio by using the correct cables. Nice to know! Cheers. |
| Syreeta Piela 11.04.2013 | Wasn't saying RCA is balanced. I'm wandering if it makes a difference in the way they have been routed? Balanced TRS output > Unbalanced RCA input connection (Via an RCA cable with a TRS adapter on the RCA output end) |
| Lashay Walchak 11.04.2013 | What ^ said. The adapter you used may have summed both channels of audio (don't believe Left/Right) and sent a hotter signal than desired, now you believe the true balanced line is quite. |
| Jerica Salava 11.04.2013 | RCA is NEVER balanced. once you got to the RCA input you are unbalanced. |
| Syreeta Piela 11.04.2013 | The previous cable was an RCA cable. Plugged into the RCA unbalanced input on the KRK, with the other end plugged into the balanced output on the Audio 6 (With a RCA > TRS adapter) Does it make a difference having Balanced > Balanced Vs Balanced > Unbalanced? |
| Syreeta Piela 11.04.2013 | I have to turn the volume knob UP on my audio interface over a quarter to match the previous volume. Strange as I thought the circuit would have been exactly the same. Thanks for the advice |
| Lashay Walchak 11.04.2013 | Your previous cable most likely wasn't TRS. Look at the end on the, bet there's only one black or white line just at the seam off the tip. A TRS would have two lines, one at the same seam and another slightly up the sleeve. Additionally do you only have the XLR plugged into the KRK's? |
| Romelia Stankard 11.04.2013 | No idea. How much of a volume loss are you talking about? I would just readjust the attenuators on each speaker, could just be the way the circuit on the krk amp is. unless it's really quiet. if you have a regular 1/4" trs cable you can try that and it should be exactly the same as using the 1/4" to xlr. |
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