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Noob can't work out how to remove head from combo bass cab!
Noob can't work out how to remove head from combo bass cab!
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Old 16th January 2020, 06:20 AM   #11
DRUS is offline DRUS
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Join Date: Jan 2020
Quote:
Originally Posted by Galu View Post
You could drill the clip out with a suitably large drill bit and replace with a simple rubber grommet.

Regarding the main issue, the intermittancy could be down to a worn volume control - did it happen at all settings of the control?

Possibly there is a bad solder joint or a cracked copper track on the printed circuit board. However, access to the rear of the board would require dismantling - starting with the removal of the nuts holding the controls and jacks in place on the fascia.

Hard to give further advice from a distance - perhaps JMF has a suggestion.
Hey Galu,

Thanks for the advice, I will have to look into it. I don't think it was the volume control but it could be. The louder I turned the amp up, the more vibration and the more rapidly the sound would cut in and out. It wasn't occurring at a particular volume level.
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Old 16th January 2020, 07:02 PM   #12
Gnobuddy is offline Gnobuddy  Canada
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Join Date: Mar 2016
Quote:
Originally Posted by DRUS View Post
...The louder I turned the amp up...the more rapidly the sound would cut in and out.
This could be some kind of thermal or overcurrent protection circuitry kicking in.

Look for (and sniff for) signs of overheating. Check if the heatsink is making proper contact with the output power devices, check if there appears to be the proper smear of thermal grease (or silicone thermal pad) between output device(s) and heatsink.


-Gnobuddy
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Old 21st January 2020, 10:10 PM   #13
Jsixis is offline Jsixis  United States
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Join Date: Feb 2011
Location: Columbus Ohio
heyco pliers pricey things but the only way to remove those stupid plugs, the hole is not round it is D shape so if you try a drill you will be throwing metal shavings
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Old 21st January 2020, 10:21 PM   #14
Gnobuddy is offline Gnobuddy  Canada
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Join Date: Mar 2016
Quote:
Originally Posted by Jsixis View Post
Heyco pliers...
Ninety bucks (CAD). 0022 Heyco | Mouser Canada


-Gnobuddy
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