Mute Coming on by itself on Promethean Clone - Harley Benton BA5110Cshort circuit? easy fix? sell me a new amp then
Posted 11 January 2017 - 09:00 AM
I bought one, I'm very fond of it, and it's served me well these last 5 years.
However, in the last week the mute switch has started to turn itself on randomly for as long as it wants.
I took it apart and cleaned it out with servisol the first time it happened and it seemed to come back. But it happened again at rehearsal last night. It has coincided with me starting to use a behringer BDI in front of it for more EQ as well, but I can't see how that would make a difference.
I have seen in the manual that sticking a footswitch in should disable the mute switch - which is all I really want to do at this stage, am going to put a spare jack plug (nothing on it) in the footswitch socket for now.
My question is, is this fixable? Can I permanently disable the mute (never use it anyway) or should I be glad that a very cheap amp lasted me 5 years, cut my losses and buy a new one?
Any help much appreciated (or offers of old indestructible 300 odd watt amp heads like Trace, Hartke, Peavey etc for not too much money)
Posted 11 January 2017 - 03:33 PM
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Posted 11 January 2017 - 03:43 PM
^^ my thoughts also.
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Posted 11 January 2017 - 04:09 PM
Didn't think it was clever enough to do a thermal shutdown. I do hope that's what it is though.
I'm certainly not going to use it as an excuse to buy a Hartke HA3500 that I saw on ebay and really want now....
Posted 11 January 2017 - 05:15 PM
If you want to troubleshoot the system before buying a new switch you can remove it from the PCB, find out witch tracks are connected when it's disengaged and do a temporary link with a bit of wire. If it still mutes at will then the problem isn't with the switch. If it doesn't come on again for a period then get a new switch.
All these advice imply a certain amount of technical expertise, fi you can't do it safely then have someone else do it for you.
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Posted 12 January 2017 - 01:26 PM
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