Item # H73087 | Customer Ratings: ( 4 Based on 10 reviews)

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Gallien-Krueger MB115-II 200w 1X15 Ultralight Bass Combo Amp
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A combo with extensive tone-shaping features that delivers big sound in a light, compact package.

The Gallien-Krueger MB115 200W 1x15 Ultralight Bass Combo Amp is an addition to GK’s legendary MicroBass Series. It delivers a big sound from a light, compact package. At 200W the MB115 has the power to be heard in any situation. It's designed with preamp tone-shaping circuitry that feeds into a lightweight Class-D power amp. The preamp uses GK's 4-band active tone control section with a Contour preset feature. There are both Passive and Active bass inputs and a defeatable Limiter for controlling your sound. The 15" Paragon speaker is extremely sensitive and makes this amp surprisingly loud. The horn tweeter can be engaged or not to suit different playing environments or to further shape your sound. An 1/8" Aux. input and headphone jack allow for silent practice along with an MP3 player or other sound source. An XLR DI output is included for recording or live sound reinforcement.

Standard tone controls and graphic equalizers give you plenty of variation, but they don’t provide what the instrument really needs. The fact is, graphic equalizers are intended for room equalization. The equalization in Gallien-Krueger amplifiers reflects 40 years of continuous development and refinement.

The GK equalizer is unique to the industry, it’s not just a normal four band equalizer, each section is a special circuit optimized to perform a Bass specific job in its range of operation.

These sections are wired in series, adding to one another, to create a tremendously flexible equalizer that sounds natural at any setting. Now it is possible to obtain the sound you desire.

The Contour is used to complely revoice the amplifier by tuning between two different shaping circuits, with greatly different responses. With the control engaged, the low end is slightly boosted, the mids are dropped and the high end is pushed up.

The limiter is designed to detect signal levels at the input of the power amp that cause unwanted distortion. It attenuates extreme peaks to allow high volume output while maintaining signal integrity.

“G.I.V.E.” Technology
The MB210, MB115 and MB212 pre-amps incorporate G.I.V.E (Gate Induced Valve Effect) Technology. Field effect devices are used with the gate biased in a way that emphasizes the optimum harmonic content of the signal. Working in conjunction with the unique four band active equalizer and contour, G.I.V.E. technology produces a consistently pleasing bass tone.

Gallien-Krueger MB115-II 200w 1X15 Ultralight Bass Combo Amp Features:

  • 200W
    1x15" Paragon driver
    Chain output to drive MBP Series powered cabs
    Class D power supply and power amp
    4 Band EQ with contour
    1/8” aux input
    Headphone jack
    Defeatable limiter
    XLR output
    Balanced direct output eliminates the need for a direct box
    Cloth grille
    Durable spray-on cabinet coating
    Recessed handle
    Compact design with reduced weight for easy transport
    Exceptionally smooth and evenly balanced sound

Gallien-Krueger MB115-II 200w 1X15 Ultralight Bass Combo Amp Specifications:

  • 23.5" x 19.5" x 14.75"
    35 lb.

Gallien-Krueger MB115-II 200w 1X15 Ultralight Bass Combo Amp

2 years on electronics and 1 year on speakers.

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Product Reviews
(Based on 10 reviews)
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  • Buy It!

    As reviewed by Ryan Sansom on 2/28/2012

    Needed a more powerful bass amp for my band. We have 2 guitars, full drum set, and bass. This lil 35 lbs gets the job done! It's EXTREMELY light, but has impeccable tone and enough power for even mid sized clubs. The XLR out gives you option to run into board for the larger venues. The tone of this amp will blow you away, and being so light, it's easy on the back when you're schlepin' gear around. The entire band, not just me the bass player, is in love with this amp. Our drummer couldn't be happier with it.

    2 of 2 people found this review helpful.
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  • Truly wonderful

    As reviewed by Justin Shelton on 12/10/2012

    I use the old silver/black MB115 version, but this is essentially the same amplifier. I use mine for marching band, and we do a lot of traveling (at least six competitions per year, one being about a 90-mile trip to Huntington. WV). Three years and roughly 20 competitions since I got it, and it's still in perfectly solid condition. The only damage is scratching on the outer lining. And not to mention, in indoor practice and Jazz band (which it has traveled with even more), I can overpower the entire band with this thing, and at high volumes, it still sounds great. The four-band EQ is a nice feature, allowing you to dial in your ideal tone for any bass (I run a Fender MiM Jazz and a Squier J/P hybrid through it mostly). Never used the contour, but I'm sure it's a neat thing. And the best part is that it's not a backbreaker to carry, only about 35lbs.

    1 of 1 people found this review helpful.
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  • Cheap Junk

    As reviewed by data brezack on 6/28/2013

    I purchased the last edition of this amp about 11 months ago (the one with the plastic silver grate). At first i though it would be a great cheap amp that i can play gigs with..... NOPE. At 12o'clock volume and gain the amp vibrates the knobs so much that the knobs for the highs and mids will start turning, which ruins my eq. Today the horn completely broke after i have only played the amp about 20~ times for about an hour each time. Go spend an extra 100 dollars on a real amp or something vintage.

    0 of 1 people found this review helpful.
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Questions about the MB115-II 200w 1X15 Ultralight Bass Combo Amp (H73087)

PO Box 4769
Westlake Village, CA 91359
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