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K150-8 noise issues [message #28488] Mon, 04 April 2022 22:38 Go to next message
NLKustom is currently offline  NLKustom
Messages: 26
Registered: March 2022
Junior Member
Hey guys, so I am new to this K150-8SC Plexi Combo.
Here are my questions/ concerns.
1) When you turn main power on, with nothing plugged in to it or no volume up , you can hear a power hiss, sorta low frequency. Is this normal?
2) When you rotate the reverb on you get a hum. The reverb seems to be working but the hum is too annoying to leave it on.
The only thing I've changed is the two prong power chord to a three prong chord. Followed the directions on here, removed the orange drop capacitor and re-soldered the wires. I had the reverb tank unplugged and removed to change the power chord, everything looked ok.
Any help before I take it to the shop for servicing?

[Updated on: Tue, 05 April 2022 10:58]

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Re: K150-8 noise issues [message #28492 is a reply to message #28488] Tue, 05 April 2022 18:03 Go to previous messageGo to next message
NLKustom is currently offline  NLKustom
Messages: 26
Registered: March 2022
Junior Member
If this is in the wrong section, you can move it to the repairing section.
Re: K150-8 noise issues [message #28493 is a reply to message #28488] Wed, 06 April 2022 10:05 Go to previous message
stevem is currently offline  stevem
Messages: 4546
Registered: June 2004
Location: NY
Senior Member
I am moving this to the repair section.
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