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Gallien-Krueger MB150S-112III 150W MicroBass Combo Amp   

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You'll marvel that an amp as small as the Gallien-Krueger MB150S-112 MicroBass Combo Amp can sound this great. 150W RMS combo with a heavy-duty 12" s...Read More

Available 10-11-2016

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OVERVIEW

There's nothing micro about this amp's sound or abilities!

You'll marvel that an amp as small as the Gallien-Krueger MB150S-112 MicroBass Combo Amp can sound this great. 150W RMS combo with a heavy-duty 12" speaker and a host of pro features packed into a rugged, all-metal cab that weighs only 24 lbs. and fits into an overhead luggage compartment. Perfect for small gigs, rehearsals, or studio. Or mount on a stand as a personal monitor and use direct outs to feed PA or recording. For larger stage performances, switch off internal speaker, plug into 2 - 8-ohm cabs, and you're ready to rock. Features a 4-band EQ and a user-activated limiter to eliminate distortion. 1-year warranty on speaker. 2-year warranty on electronics.

FEATURES
  • 150W RMS of pure power
  • Heavy-magnet 12" driver
  • Tough all-metal cab
  • 4-band EQ
  • 1 year warranty on speakers
  • 2-year warranty on electronics
Reviews
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Review Snapshot

by PowerReviews
Gallien-KruegerMB150S-112III 150W MicroBass Combo Amp
 
4.7

(based on 28 reviews)

Ratings Distribution

  • 5 Stars

     

    (21)

  • 4 Stars

     

    (6)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Excellent sound (4)
  • Portable (4)
  • Warm / comfy (4)
  • Good power output (3)

Cons

No Cons

Best Uses

  • Home studio (3)
    • Reviewer Profile:
    • Experienced (3)

Most Liked Positive Review

 

Versatile amp.

I use this amp with an active, five-string electric and an upright bass. With the electric I engage the 14dB pad to prevent overloading. It handles a loud, low-B string without bottoming out...Read complete review

I use this amp with an active, five-string electric and an upright bass. With the electric I engage the 14dB pad to prevent overloading. It handles a loud, low-B string without bottoming out the speaker. The eq is very powerful and not much, if any, tweaking is required--the amp sounds great with the eq set flat. With the limiter on and full up, this amp goes very, very loud without overloading. I just really like the sound and punch from this 100W transformer-based amp vs. higher-Watt-rated, SMPS/Class D amps. For the upright, I run a Shure Beta-57 (wrapped in a cloth under the tailpiece) through a Shure transformer-adapter (balanced to 1/4" unbal.), roll of the treble and high-mids a little, and get plenty of volume for coffeehouse gigs (I don't like piezos). It is quiet, very small, and at 26 pounds it is easy to transport. Highly recommended.

VS

Most Liked Negative Review

 

Well built but very muddy.

This amplifier is well built, portable, and loud; but it is also very limited in tone. The tones are either muddy or chirpy. There seems to be no high mid response and...Read complete review

This amplifier is well built, portable, and loud; but it is also very limited in tone. The tones are either muddy or chirpy. There seems to be no high mid response and very undefined low mids. The highs are brittle and harsh. These symptonms worsen as you increase the volume. I have used a german Warwick Corvette, MIM Fender Jazz, and MIA Fender P with this amp and have yielded similar results. If you are looking for something portable with similar wattage, I would recommend something with more speaker like a 2x10", 1x15", etc. You will have more headroom throughout the frequency range.

Reviewed by 28 customers

Displaying reviews 1-10

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(5 of 5 customers found this review helpful)

 
5.0

Versatile amp.

By Doubler

from Oklahoma City

About Me Experienced

Pros

  • Excellent Sound
  • Good Warmth
  • Portable

Cons

    Best Uses

    • Home Studio
    • Performances

    Comments about Gallien-Krueger MB150S-112III 150W MicroBass Combo Amp:

    I use this amp with an active, five-string electric and an upright bass. With the electric I engage the 14dB pad to prevent overloading. It handles a loud, low-B string without bottoming out the speaker. The eq is very powerful and not much, if any, tweaking is required--the amp sounds great with the eq set flat. With the limiter on and full up, this amp goes very, very loud without overloading. I just really like the sound and punch from this 100W transformer-based amp vs. higher-Watt-rated, SMPS/Class D amps. For the upright, I run a Shure Beta-57 (wrapped in a cloth under the tailpiece) through a Shure transformer-adapter (balanced to 1/4" unbal.), roll of the treble and high-mids a little, and get plenty of volume for coffeehouse gigs (I don't like piezos). It is quiet, very small, and at 26 pounds it is easy to transport. Highly recommended.

    Comment on this reviewHelp Icon

    (1 of 2 customers found this review helpful)

     
    5.0

    Super bass amp for easy use

    By Tom

    from Coeur dAlene, I'd.

    About Me Experienced

    Pros

    • Easy To Use
    • Excellent Sound
    • Good Warmth
    • Portable
    • Powerful

    Cons

      Best Uses

      • Amateur Recording
      • Events
      • Home Studio
      • Performances

      Comments about Gallien-Krueger MB150S-112III 150W MicroBass Combo Amp:

      Everything I wanted for my purpose

      Comment on this reviewHelp Icon

      (3 of 3 customers found this review helpful)

       
      5.0

      Awesome for uprights

      By ibagoalie

      from chicago

      About Me Novice

      Pros

      • Excellent Sound
      • Good Warmth
      • Portable
      • Powerful

      Cons

      • Expensive

      Best Uses

      • Home Studio

      Comments about Gallien-Krueger MB150S-112III 150W MicroBass Combo Amp:

      I just started to learn the upright bass (mine is electric - NXdesigns) and after some research determined that GK was the preferred amp for upright players. At first I ordered the MB112 and while it was fairly small, it had an echo and hiss that drove me nuts. I worked with GK's support but was never able to resolve the issue to my satisfaction. Upon deeper research the MB150 microbass kept popping up on bass forums, but the hefty price tag was making me hesitate. However, when I thought about how I payed for my bass, I figured I should get a better amp. So I exchanged the MB112 in and ordered this one. It is fantastic! No hiss, no echo and sounds so smooth. Highly recommend for all upright bass players.

      Comment on this reviewHelp Icon

      (1 of 1 customers found this review helpful)

       
      5.0

      Pint-sized Dynamo

      By scrubba

      from honokaa, hi

      About Me Experienced

      Verified Buyer

      Pros

      • Easy To Use
      • Excellent Sound
      • Good Warmth
      • Portable
      • Powerful

      Cons

        Best Uses

          Comments about Gallien-Krueger MB150S-112III 150W MicroBass Combo Amp:

          If you're looking for a light portable bass amp that's easy to use and has great sound, I'd recommend this highly. Of course, this isn't an Ampeg 8X10, but it's amply loud for rehearsals and small gigs, and you can always go through the PA for larger venues. My past rigs have been Eden and Mark, but looking to lighten the load, I decided to try the GK. Construction is excellent and hopefully durability will be as well. Time will tell.

          Comment on this reviewHelp Icon

          (3 of 3 customers found this review helpful)

           
          5.0

          Best Amp on the Market!!!

          By mastertone44

          from San Francisco, CA

          Comments about Gallien-Krueger MB150S-112III 150W MicroBass Combo Amp:

          This amp is definitely the best out there whether you are an electric bass player or plugging up your upright. I bought it a few months ago and absolutely couldn't be any happier.

          Comment on this reviewHelp Icon

          (4 of 6 customers found this review helpful)

           
          2.0

          Well built but very muddy.

          By leronious

          from Arizona

          Comments about Gallien-Krueger MB150S-112III 150W MicroBass Combo Amp:

          This amplifier is well built, portable, and loud; but it is also very limited in tone. The tones are either muddy or chirpy. There seems to be no high mid response and very undefined low mids. The highs are brittle and harsh. These symptonms worsen as you increase the volume. I have used a german Warwick Corvette, MIM Fender Jazz, and MIA Fender P with this amp and have yielded similar results. If you are looking for something portable with similar wattage, I would recommend something with more speaker like a 2x10", 1x15", etc. You will have more headroom throughout the frequency range.

          Comment on this reviewHelp Icon

          (4 of 6 customers found this review helpful)

           
          5.0

          Perfect Little Upright or Electric Bass Amp

          By rarebasses

          from SW Missouri

          Comments about Gallien-Krueger MB150S-112III 150W MicroBass Combo Amp:

          Transformed my junky Don't mess with the others, if your a bass switcher from upright to electric this is the tool for you! I run mine with the Conture switch out for electric and in for upright. I found that out he first week it will cause it to sound like two different amps. BUY IT!

          Comment on this reviewHelp Icon

          (2 of 2 customers found this review helpful)

           
          5.0

          Awesome amp

          By Classical Guitarist

          from Lexington, KY

          Comments about Gallien-Krueger MB150S-112III 150W MicroBass Combo Amp:

          An awesome amp. I play flamenco fusion music with a Godin fretless 5-string bass and Ergo elctric upright 5 string bass. My bandmates complimented me on my sound, but did not realize I got a new amp. Since I made the switch, they (and I as well) love my tone.This amp has excellent features for getting a really fat lo-end good for reggae, to a punchy mid-range "jaco-esque" tone, to treble

          Comment on this reviewHelp Icon

          (2 of 8 customers found this review helpful)

           
          4.0

          Review

          By johnhrobiii

          from Undisclosed

          Comments about Gallien-Krueger MB150S-112III 150W MicroBass Combo Amp:

          I have owned the GK MB 150S a long time ago. The sound,controls and its lightweightness were great.BUT...I am no longer a fan because I have had serious issues with the cabinet.

          Comment on this reviewHelp Icon

          (2 of 3 customers found this review helpful)

           
          5.0

          One Bass amp you have to own

          By Anonymous

          from Undisclosed

          Comments about Gallien-Krueger MB150S-112III 150W MicroBass Combo Amp:

          Awesome overall bass amp for it size, weight and sound. Got me thru a lot of gigs plus lugging it to gigs was a snap because I have a Gig Bag which I could the amp on my shoulder. If I need more volumne, just mike or direct box to the PA, no problem.Also, great resell value!

          Comment on this reviewHelp Icon

          Displaying reviews 1-10

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