ben604 Posted July 23, 2013 Share Posted July 23, 2013 I think there's something up with my Harley Benton amp, it's only my backup, but when I do use it, I get shocks from my microphone, and other bits of kit too. Only gentle, but consistent and annoying. Any ideas as to where to start looking to get it sorted? Tried a different cable, but that had no effect. Must be something internal? Ta, Ben Quote Link to comment Share on other sites More sharing options...
Dandelion Posted July 23, 2013 Share Posted July 23, 2013 Ben, run your amp only with an RCD protector from now on mate. A big belt of electricity might not be far away. Seriously. Quote Link to comment Share on other sites More sharing options...
Lozz196 Posted July 23, 2013 Share Posted July 23, 2013 [quote name='Dandelion' timestamp='1374592130' post='2150624'] Ben, run your amp only with an RCD protector from now on mate. A big belt of electricity might not be far away. Seriously. [/quote] +1 to this. I`ve seen my mate get a fairly big shock from this type of scenario, and he was in a bit of a state after. Quote Link to comment Share on other sites More sharing options...
paul_5 Posted July 23, 2013 Share Posted July 23, 2013 Sounds like it needs to go back mate, at least it's only your backup though. Quote Link to comment Share on other sites More sharing options...
stingrayPete1977 Posted July 23, 2013 Share Posted July 23, 2013 If you are going to look inside then the first place to look is the earth connections both incoming and through to the input jack socket, if your not sure what you are doing let someone else fix it anyway Quote Link to comment Share on other sites More sharing options...
Roland Rock Posted July 23, 2013 Share Posted July 23, 2013 And wear rubber pants, always rubber pants Quote Link to comment Share on other sites More sharing options...
bertbass Posted July 23, 2013 Share Posted July 23, 2013 This may help, http://www.questronix.com.au/info/info_tingles.htm Quote Link to comment Share on other sites More sharing options...
flyfisher Posted July 23, 2013 Share Posted July 23, 2013 [quote name='Dandelion' timestamp='1374592130' post='2150624'] Ben, run your amp only with an RCD protector from now on mate. A big belt of electricity might not be far away. Seriously. [/quote] RCDs are certainly good things but don't rely on them because they can only detect current leakage in the mains side of the amp circuits. If there are high voltages on the secondary side of the mains transformer (as there can be with valve amps) then any leakage current from these voltage supplies (i.e. through you to ground!) will not be detected by the RCD and it won't trip. It sounds like the amp needs to be professionally checked. Quote Link to comment Share on other sites More sharing options...
Phil Starr Posted July 23, 2013 Share Posted July 23, 2013 This is dangerous and you have to have it checked. All the parts you touch should be at earth potential and they aren't so something isn't connected to earth that should be.That's a big link missing from the chain that keeps you safe. A mains shock may be just round the corner, it probably won't kill you but it just might. Better to get it fixed Quote Link to comment Share on other sites More sharing options...
Mr. Foxen Posted July 24, 2013 Share Posted July 24, 2013 Are the thing the mic is plugged into and the amp plugged into the same place? Might be feeling the difference in ground between the two points. Quote Link to comment Share on other sites More sharing options...
ben604 Posted July 24, 2013 Author Share Posted July 24, 2013 I've had it for a while at different venues/plugged into different sockets etc, that's why I think it's internal. I'll speak to Thomann, they're usually pretty good with stuff like this. Thanks guys! Quote Link to comment Share on other sites More sharing options...
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