Jesso Posted November 5, 2012 Share Posted November 5, 2012 I was doing a bit of A/B ing between a GK mb 200 and my power amp / tone hammer pedal setup. I thought it would be nice and handy to hook both amps up to the same cab, so I could A/B more easily. Silly me. Although I never had both amps on at the same time, I didn't realize that even if it's not on, connecting an amp to the same binding post as another is a terrible idea. Anyway, the GK died. Luckily it's not a terribly expensive bit of kit..... but will I be able to get it fixed? Also, it may be my imagination, but the inuke is not sounding quite as good as it used to. Could I have damaged that too? And is there any way to find out for sure. Thoughts? (Other than "You total and utter spanner") Quote Link to comment Share on other sites More sharing options...
LukeFRC Posted November 5, 2012 Share Posted November 5, 2012 not apart from [color=#282828][font=helvetica, arial, sans-serif]you total and utter spanner[/font][/color] Quote Link to comment Share on other sites More sharing options...
JapanAxe Posted November 5, 2012 Share Posted November 5, 2012 Did anyone mention the spanner thing? Quote Link to comment Share on other sites More sharing options...
Jesso Posted November 5, 2012 Author Share Posted November 5, 2012 Spanner for sure. But, I really thought I couldn't do any damage so long as I had the 2nd amp off. Silly silly me. Lesson learned. How do you check to see if a power amp has lost some of it's function? Or .... does it even work like that? Can a class D amp kind of half die, but still sound pretty ok? Quote Link to comment Share on other sites More sharing options...
Dad3353 Posted November 5, 2012 Share Posted November 5, 2012 You shouldn't oughter have done that. Explain your case to GK support, perhaps..? They'll like you. Quote Link to comment Share on other sites More sharing options...
BassTractor Posted November 5, 2012 Share Posted November 5, 2012 Others surely are better at this, but fwiw: Besides the output transistors themselves, loads of other components can have died or have been damaged, so there's no saying that fixing it is easy or hard. As to the other amp, yes, you may have damaged components behind the output transistors in such a way that the sound stays but changes. Depending on architecture, one can measure components, but it's hardly economic these days. I hope you get a better reply from someone else tomorrow. best, bert Quote Link to comment Share on other sites More sharing options...
Jesso Posted November 6, 2012 Author Share Posted November 6, 2012 [quote name='BassTractor' timestamp='1352159007' post='1859629'] Besides the output transistors themselves, loads of other components can have died or have been damaged, so there's no saying that fixing it is easy or hard. As to the other amp, yes, you may have damaged components behind the output transistors in such a way that the sound stays but changes. [/quote] So good news then.... I have a feeling that I've done something to the inuke. It definitely sounded off at the weekend. Luckily, they don't cost the earth.... but still a nasty little episode. Quote Link to comment Share on other sites More sharing options...
Count Bassie Posted November 11, 2012 Share Posted November 11, 2012 Lesson learned. Now you can save up for something nice and not kill it! Always look on the bright side of life... Quote Link to comment Share on other sites More sharing options...
stingrayPete1977 Posted November 11, 2012 Share Posted November 11, 2012 13mm open/ring ended I'd say Quote Link to comment Share on other sites More sharing options...
JTUK Posted November 11, 2012 Share Posted November 11, 2012 not sure the cab would have gotten off scot free either... i would have thought the output stage of the amp/amps would be damaged..but you need to tell the story to the repair guys ..and when they have stopped tut-tuting, they should be able to put it right, amp-wise. Have you checked the cab..? Quote Link to comment Share on other sites More sharing options...
Thurbs Posted November 12, 2012 Share Posted November 12, 2012 Have to admit, I can't say I wouldn't have done the same thing... Quote Link to comment Share on other sites More sharing options...
Jesso Posted November 12, 2012 Author Share Posted November 12, 2012 Cab seems fine thankfully.... barefaced midgets don't come cheap y'know! Still not sure about the inuke. I'm going to try it driving a full range PA with recorded music at high volume, that way I should be able to hear easily enough if something is off. Lesson learned x 10000!!!! Hopefully this will prevent at least one other person doing something spannery in the future too. At least the amps were both modestly priced jobbys. I'd hate to do something like this to an expensive aggie / ampeg etc. Quote Link to comment Share on other sites More sharing options...
Phil-osopher10 Posted November 12, 2012 Share Posted November 12, 2012 I'm glad I've read this! As I would've tried it I'm sure! Quote Link to comment Share on other sites More sharing options...
Jesso Posted November 12, 2012 Author Share Posted November 12, 2012 [quote name='Phil-osopher10' timestamp='1352725989' post='1866523'] I'm glad I've read this! As I would've tried it I'm sure! [/quote] Glad to offer my amps up as a basschat style of human sacrifice for the benefit of others! Quote Link to comment Share on other sites More sharing options...
Bigjas Posted November 12, 2012 Share Posted November 12, 2012 I nearly did the same thing a while back. This is the thread I posted here [url="http://basschat.co.uk/topic/174033-two-heads-sharing-one-cab-possible/page__fromsearch__1"]http://basschat.co.uk/topic/174033-two-heads-sharing-one-cab-possible/page__fromsearch__1[/url] I realise its not much use to you now.............. Basschat saved a vintage Hiwatt from going up in smoke......... Jas Quote Link to comment Share on other sites More sharing options...
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