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Gallien-Krueger MB800
- Thread starter MyMusic
- Start date
The gk mb heads can get hissy, especially if you have a bass thats bright to begin with. To compensate, i usually turn the tweeter on my cab down and the treble on the amp down to around 9 or 10 o'clock. For those who like all their knobs at noon no mater what, this may not be your kind of head. The fan noise seems to differ from head to head. Mine is barely audible when it kicks in. For me those small issues are not deal breakers for a head thats so small and powerful, especially at the price they go for. I can do most of my gigs with the mb800 and either my Neo 210 or 212.
High end hiss from too much treble is one thing, but this was a legitimate whine. I've got quite a few other amps and none of them exhibit this, including other GK's (both RB and MB series).
I don't care about fan noise, but a high pitched whining sound that I could hear clear as day playing with a rock band in a live situation is not something I'll live with. There was something wrong for sure.
I wish I thought to record it...
I don't care about fan noise, but a high pitched whining sound that I could hear clear as day playing with a rock band in a live situation is not something I'll live with. There was something wrong for sure.
I wish I thought to record it...
I experienced high pitched whining for years, ...until I decided to divorce her.
Guess that's different. Yet, it is truly unacceptable. 
If you go back a couple pages, you noticed that I had the same issue with the whining. And somebody else did, too.
I will probably send it back for another one, but am yet to do so. A bit disappointed with this issue.
I will probably send it back for another one, but am yet to do so. A bit disappointed with this issue.
Yes, totally understandable. I was too.
Mine was basically to replace an 800RB that I didn't want to gig as often. If it didn't do what the 800RB did at least reasonably well, if was basically useless to me. I'm sure that I could have gotten a different one that didn't make the noise, but with the reports I started to read about issues I'd rather just get out of it while I can.
I totally understand that. Seems like there is a bit of a quality control issue over there. Im glad i got a good one
I'm really hoping that there is no whining noises with the new MB800 Fusion when it comes out .
.
I've never been one to be susceptible to amp GAS, but... despite having a MB500 as a main and a MB200 as a backup, I think I want a MB800!
I talked with Erik at RMC audio this past week and he said he spoke with GK and he says that they are still on track to get the new MB Fusion 800's mid December for $679. I know Chef mentioned that it might be mid January but this was the latest info I got over the past few days so I'm really hoping mid December
I talked with Erik at RMC audio this past week and he said he spoke with GK and he says that they are still on track to get the new MB Fusion 800's mid December for $679. I know Chef mentioned that it might be mid January but this was the latest info I got over the past few days so I'm really hoping mid December
That would be awesome!
Chef
In Memoriam
Hey, anyone using a different footswitch than the stock unit, something like the Boss FS-5L or similar?
Maybe I'm just lucky, but I've been a GK user since the mid 80's and have not had one single issue. That includes a 27 yr. old 400RB, (which I still own) a 1001RBII, A MB2 500 and a Fusion.
Chef
In Memoriam
"Complainers are generally more vocal than people who haven't had any problems, and are satisfied customers."
This axiom might be even more true in forums like this, as it's someplace people with problems can publicly vent, and/or problem solve by getting access to tech help.
Many times, happy customers "have nothing to report, situation normal, everything working."
For those folks that have problems; and every brand has problems; the issue in my mind "isn't the problem, but the resolution."
When I've had problems with GK product, they've stepped right up, and been immediately and effectively helpful.
Which is what you hope for, when you have a problem, I think.
This axiom might be even more true in forums like this, as it's someplace people with problems can publicly vent, and/or problem solve by getting access to tech help.
Many times, happy customers "have nothing to report, situation normal, everything working."
For those folks that have problems; and every brand has problems; the issue in my mind "isn't the problem, but the resolution."
When I've had problems with GK product, they've stepped right up, and been immediately and effectively helpful.
Which is what you hope for, when you have a problem, I think.
Cannot agree more, My MB800 was one of the first shipped and has worked without incident of any type since and has been used at close to a hundred gigs and rehearsals. Yes there is a slight hiss but this is not a bedroom amp, It is a gigging amp meant to be used at spl that require hearing protection. The thing about GK is that real people answer their phones and they will do everyting and anything to satisfy their customers, and since moving all production to the USA, there will be growing pains, not to mention that Mr. Galiien himself monitors the forum. Any way my .02 cents, peace
