Core Beam noise as soon as guitar cable is plugged

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spadekevin
Plucker
Posts: 1
Joined: Thu Jun 28, 2018 3:24 am
Location: newyork

Core Beam noise as soon as guitar cable is plugged

Post by spadekevin » Fri Jun 29, 2018 3:15 am

Hi,

The moment I plug a guitar cable into the Beam, I get a continuous static background noise. It somehow sounds a bit like 1/f noise. It is too low in frequency to be white noise, at least as far as I can tell. I do not even have to plug a guitar or a pedal to the other end of the cable, the noise is always there as soon as the ammp is switched on. Even turning the volume to 0 does not make it go away.
As a reference I plugged a Yamaha THR10 to the same power rail and the problem did not appear there.
Is this by design of the amp (I hope not) or is there something to do that can fix this?

Please help.

I didn't find the right solution from the Internet.

References:-
https://www.blackstaramps.com/forum/vie ... php?t=5366
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Thanks!

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