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GK MB115 Combo + MBP115 Powered Cab

Discussion in 'Amps and Cabs [BG]' started by agreatheight, Jan 8, 2014.

  1. I've been playing my GK MB115 combo now for a few months and have been enjoying it quite a bit. Tonight, I finally had an excuse to drag out the MBP115 powered cab with, as I was playing a bigger stage than normal, so I thought I'd write up bit of a review for both.

    The GK MB115 combo is well built, and boy is it light. It sounds good, but it doesn't sound as "GK" as I would like. I have had lots of GK amps / cabs and this is a bit different - it's not quite as punchy / grindy, and puts out more low end set flat. I roll off a chunk of lows and some low mids to get it sounding right. But it does sound good, and it's a pretty loud 200 watts. Covers me in 95 percent of my cover gigs. It's a professional piece of kit and it seems like it will hold up to regular use, but there is no ground lift on the DI, which is pretty irritating, and the knobs can get bumped in transit, which is mildly annoying. It is a serious bargain, though, and I probably would replace it if it broke.

    The MBP115 powered cab is likewise well built, and light. I like the design - it seats the combo nicely and the two stacked seem stable. Adding the MBP115 certainly adds oomph, but not as much volume as I would have hoped. Don't get me wrong - it's louder than the combo on it's own, just not as much as I expected. I will admit, though, that I do like having a speaker closer to ear level. I am not sure how often I will use it, but when I do use it I will enjoy it like I did tonight. This is also well priced, but I am not sure I would buy again, if it crapped the bed.

    Hope this helps anyone interested!
    Cordwangle likes this.
  2. Thornton Davis

    Thornton Davis Supporting Member

    Dec 11, 1999

    I have a MB410-II & MBP410-II. I haven't gigged the MBP yet, just haven't needed to.

  3. Way cool, thanks for the review.

    Please post some eye candy (pic's) of the two stacked together. :bassist::hyper::bassist:

    I've been using a first generation G-K MB115 for a few years now and I'm totally liking it too. BTW, I highly recommend getting padded covers for your gear - it will protect it and also help keep the knobs from getting moved during transportation. I have www.studioslips.com covers so my older MB115 still looks mint.
  4. I had mine for almost 6 months before I found an excuse to lug it out!
  5. I'll shoot some amp pron tonight if I can find 5 minutes.

    And yeah, I think a cover would be a good investment, thanks for the idea! I'll check out studioslips this weekend.
  6. Thornton Davis

    Thornton Davis Supporting Member

    Dec 11, 1999
    Me too. Just waiting for the appropriate gig.

    FWIW, the new G-K covers are excellent! Check them out. I have them on my MB/MBP.


  7. pbassnut

    pbassnut Supporting Member

    Sep 27, 2004
    Falls Church, VA
    Can you use a non GK preamp (Alembic F-1X, Ampeg SVP Pro, etc) as the front end to the GK MBP powered series of cabinets? Inquiring minds wanna know. Thanks.
  8. No, or at least I don't think so. The MBP cabs require a rather hot and true balanced feed - which is provided via the "Chain Output" on the MB-II series combos.
  9. Awesome. I love amp porn, thank you - and you're welcome.
  10. Glad to hear a good review. I'm looking at getting the MB212 & 212MBP pair, but haven't heard much on this series.
  11. shawshank72


    Mar 22, 2009
    I bought the gk mb115 to use in my original rock band and was let down volume wise. Sound wise the amp was fantastic but it couldnt hold up volume wise at rehearsals.
    Funny because the yorkville xm200 that i had was the same specs and all and was more than loud enough with room to spare but yet the gk just didnt have the balls.
    So i ended up taking it back to long and mcquade and got a traynor.
  12. You're welcome. :hyper::bassist::hyper::)
  13. That is interesting to me - I haven't had mine up past 1/2 way yet, and I usually get the stink eye from the soundman and wind up pulling the volume back. With that said, I play loud actives basses and drive the boost pretty hard.
  14. shawshank72


    Mar 22, 2009
    Im trying to save for the mb212
    Almost the same weight and more power.
  15. I tried one of those in the store and it has more volume on tap for sure. Might be a good fit for you!
  16. We need some G-K MB115-II + MBP115-II stack eye candy - amp porn. :hyper::bassist::hyper:
  17. tehuti


    Jan 27, 2006
    I am considering this combo myself. Since you say you are not sure you'd replace it, what would you get instead? Just curious.
  18. Joedog


    Jan 28, 2010
    Pensacola FL
    I like GK stuff, including my MB115 (original). I don't really get the powered extension thing though. for another $50 (?) would not a 2nd combo make a LOT more sense? You'd have one you could leave at rehearsal room, one at home, and just carry your bass to and fro. For gigs bring both (OOMPAH!), and if an amp goes down, you at least have a backup. Yeah you'd need a splitter to run both ($30 or so). Am I missing something???