The Gallien-Krueger MB150S-112 Bass Combo is a Gallien Krueger amplifier. Close alternatives include the Gallien-Krueger MB115MK2 and the Gallien-Krueger MB210MK2. It pairs well with the Marshall Guv'nor and the Black Arts Toneworks LSTR Fuzz.
Gallien-Krueger MB150S-112 Bass Combo
Gallien Krueger · amplifier
The Gallien-Krueger MB150S-112 is a 150-watt bass combo amplifier with a single 12-inch speaker, part of GK's long-running MB series known for delivering serious power and tone in a remarkably lightweight, portable package. It reflects Gallien-Krueger's reputation as a pioneer in lightweight, high-power bass amp design, favored by gigging bassists prioritizing portability without sacrificing volume.
What stands out
“150-watt output through a single 12-inch speaker provides solid gigging headroom in a notably lightweight, easy-to-transport package”
— from the reviews
“Primary use case is bassists wanting substantial 150-watt power and GK's punchy, articulate tone”
— from the community notes
“The Gallien-Krueger MB150S-112 is a 150-watt bass combo amplifier with a single 12-inch speaker, part of GK's long-running MB series known for delivering serious power and tone in a remarkably lightweight, portable package”
— from the listing
“Standout strength is the combination of genuine gigging power with GK's signature lightweight Class D-driven design, a hallmark of the MB series' broad popularity”
— from the community notes
“Valued as part of Gallien-Krueger's celebrated MB series, widely credited with pioneering the lightweight-yet-powerful bass combo category that changed expectations for gigging bass amp portability”
— from the community notes
- gigging
- articulate
- punchy
- serious power and tone
- headroom
- driven
- single 12 inch speaker
- genuine gigging power
Good for
- Live
- Practice
Pedals that stack with the Gallien-Krueger MB150S-112 Bass Combo
Marshall Guv'nor
Marshall
25% matchclean platform takes the driveA clean, high-headroom stage takes on dirt it can't generate by itself. (high headroom → mid-forward)
The high headroom tone has headroom to spare — Marshall Guv'nor leans it toward mid-forward to fill it in
Goes in front of the amp
Black Arts Toneworks LSTR Fuzz
Black Arts Toneworks
25% matchclean platform takes the driveA clean, high-headroom stage takes on dirt it can't generate by itself. (high headroom → fuzzy)
Run Black Arts Toneworks LSTR Fuzz into that high headroom platform and it finally leans toward fuzzy
Goes in front of the amp
Ashdown Geezer Butler Signature
Ashdown
25% matchclean platform takes the driveA clean, high-headroom stage takes on dirt it can't generate by itself. (high headroom → low gain)
Ashdown Geezer Butler Signature leans this high headroom tone toward low gain, which it doesn't make on its own
Goes in front of the amp
Boss CE-1 Chorus Ensemble
pedal
11% matchsits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.
Run Boss CE-1 Chorus Ensemble after Gallien-Krueger MB150S-112 Bass Combo in the signal chain, clear of Gallien-Krueger MB150S-112 Bass Combo's own gain stage
Goes in front of the amp
Ashdown Macchiato Compressor Guy Pratt Signature
Ashdown
10% matchshapes the dynamic responseShapes how the tone responds to picking dynamics rather than its frequency or gain. (high headroom → compressed)
What Ashdown Macchiato Compressor Guy Pratt Signature brings here leans toward compressed — that's worth building a pairing around
Goes in front of the amp
Binson Echorec Delay
Binson
7% matchsits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.
Keep Binson Echorec Delay in Gallien-Krueger MB150S-112 Bass Combo's effects loop, clear of Gallien-Krueger MB150S-112 Bass Combo's own gain stage — goes in the amp's FX loop (or last, into a clean amp)
Sits in the amp's effects loop
Crazy Tube Circuits Splash MKIV Reverb
Crazy Tube Circuits
7% matchCrazy Tube Circuits Splash MKIV Reverb's spring voice goes in Gallien-Krueger MB150S-112 Bass Combo's effects loop — it's not there to compete with Gallien-Krueger MB150S-112 Bass Combo's own tight character — goes in the amp's FX loop (or last, into a clean amp)
Sits in the amp's effects loop
Electro-Harmonix EH-1335/EH-3075 Hot Tubes
Electro-Harmonix
tonal matchGoes in front of the amp
Into Gallien-Krueger MB150S-112 Bass Combo, Electro-Harmonix EH-1335/EH-3075 Hot Tubes is right at home: it's built around a clean amp's front end
Alternativessee all similar tone character →
Gallien-Krueger MB115MK2
Gallien Krueger
64% similarityShared character: punchy, gig
Gallien-Krueger MB210MK2
Gallien Krueger
57% similarityShared character: punchy, gig
Laney Digbeth DB200-210 2x10 Bass Combo
Laney
57% similarityShared character: gig, headroom
Hiwatt HB210HN
Hiwatt
51% similarityShared character: punchy, gig
Hartke Lightweight Bass Amplifier
Hartke
48% similarityShared character: punchy, gig, headroom
Mesa Boogie Powerhouse 2x10" 600watt 8 ohm
Mesa Boogie
48% similarityShared character: combination, punchy, headroom
Phil Jones BE-17
Phil Jones
41% similaritySimilar voicing: tight, high headroom
Gallien-Krueger GK Legacy 2x10 Combo Bass Amp
Gallien Krueger
91% similaritysimilar tone character
Gallien-Krueger Legacy 210 Bass Combo
Gallien Krueger
91% similaritysimilar tone character
Gallien-Krueger MB210-II
Gallien Krueger
90% similaritysimilar tone character
Gallien-Krueger MB-210 II Bass combo 350 watts
Gallien Krueger
90% similaritysimilar tone character
Phil Jones BP-800 Bass Pulse 800W Head
Phil Jones
89% similaritysimilar tone character
See all alternatives to the Gallien-Krueger MB150S-112 Bass Combo (cheaper + boutique) →
Questions people ask
What are good alternatives to the Gallien-Krueger MB150S-112 Bass Combo?+
The closest matches in character are the Gallien-Krueger MB115MK2, the Gallien-Krueger MB210MK2, the Laney Digbeth DB200-210 2x10 Bass Combo.
What pairs well with the Gallien-Krueger MB150S-112 Bass Combo?+
Strong matches from rig and tone-complementarity evidence: Marshall Guv'nor, Black Arts Toneworks LSTR Fuzz, Ashdown Geezer Butler Signature — The high headroom tone has headroom to spare — Marshall Guv'nor leans it toward mid-forward to fill it in.
Compare
- vs Gallien-Krueger GK Legacy 2x10 Combo Bass Amp
- vs Gallien-Krueger Legacy 210 Bass Combo
- vs Gallien-Krueger MB210-II