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GK 500MBFusion issues
- Thread starter ArtechnikA
- Start date
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- Tags
- gallien-krueger
Final update - it was a tube.
I was a little disappointed at how long it took to get back to me.
"Shipping tomorrow" turned into actually leaving the facility two days later, which then spanned a weekend...
But I cannot complain too much about the warranty service, which was in fact at no charge, as was the return shipping.
But all around a big +1 for GK support - they came through and my amp is back in service.
I was a little disappointed at how long it took to get back to me.
"Shipping tomorrow" turned into actually leaving the facility two days later, which then spanned a weekend...
But I cannot complain too much about the warranty service, which was in fact at no charge, as was the return shipping.
But all around a big +1 for GK support - they came through and my amp is back in service.
I had a MB Fusion 500 I bought used here on TB. I bought it in 2014 but found out from GK later it was originally sold in 2010 - so it was fairly old. Made in China if that matters. It worked fine for about a year then the mute button broke and also I heard a pop and no output. I didn't test it through the FX return. Contacted Jason and sent it in for repair - cost $125 with the shipping. They said is was a "bad resistor on the preamp board" I think. Worked fine for about a year then it started acting like yours did - was kind of intermittent though. I had to pull out my MB200 backup at a few gigs. I figured it might be a tube issue but at this point I was done with this head - sold it cheap here on TB with full disclosure of the history. New owner pulled the tubes and cleaned the sockets and it has been OK for him. I ended up buying a new USA made MB500 (non-Fusion) which has been working fine. No point to this other than - if you have MB Fusion issues check the tubes.
