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Post by gus4emo on May 12, 2020 13:40:55 GMT -5
Will try that, I unplugged the rca from the one channel on the amp, dead silent, plugged it back in, hum is back. Could be the cable or that channel on the XMC. If you use a different cable from a different channel, then it probably that channel on the amp. If you use a different cable, from a channel with no hum so you know the cable is good, with the same XMC and XPA channels and the hum is still there, it's the amp channel (or the speaker/speaker wire). Lastly try the same channel combination with an XLR and check for hum; try different channel combinations with XLR as well like above. Could just be the un-balanced circuitry of that channel. If you get the hum via XLR, it's the channel (or the speaker/speaker wire). For speakers, if you swap around the speaker leads and the hum stays in the same speaker, it's the speaker or the speaker wires. If it follows to the new speakers it's the amp channel. [/quote] I'm using a Denon 4520 as the preamp, once I have the time I will keep checking...thanks.. |
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Post by rbk123 on May 12, 2020 13:44:12 GMT -5
I'm using a Denon 4520 as the preamp, once I have the time I will keep checking...thanks.. Ahhh, then let me revise my troubleshooting steps: 1. Give Denon to offspring 2. Replace with XMC-1, -2, or RMC 3. Enjoy sonic bliss for several months (years?) before you notice the hum is still there, then revisit my prior steps. |
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Post by gus4emo on May 12, 2020 17:20:57 GMT -5
I'm using a Denon 4520 as the preamp, once I have the time I will keep checking...thanks.. Ahhh, then let me revise my troubleshooting steps: 1. Give Denon to offspring 2. Replace with XMC-1, -2, or RMC 3. Enjoy sonic bliss for several months (years?) before you notice the hum is still there, then revisit my prior steps. Lol...I'm a poor guy... |
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