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GK MB800 Ultralight 800W Bass Amp Head

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GK MB800 Ultralight 800W Bass Amp Head

GK MB800 Ultralight 800W Bass Amp Head
Item# 302-0690-A

List Price: $999.00
 Our Price: $699.00 
You Save: $300.00 (30%)

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Gallien Krueger MB800 - 302-0690-A
You're a bass player, and you're picky about your amplification. You want it all: ginormous firepower and full-on pro functionality in a tiny, lightweight, affordable head. Impossible? No - it's the Gallien-Krueger MB800. GK's really pulled it off. Armed with a blistering 800 watts and totally discrete FET (field effect transistor) driven preamp, this little brute handles arena gigs without breaking a sweat, and at 4.9 pounds - neither will your roadies.

GK's packed the MB800 with serious pro features you'll appreciate. You get illuminated controls to keep you informed, including input clip, tuning mute, Gain A, Gain B/Level-B, power amp clipping, limiter enable and EQ/Contour settings. The preamp features the same FET technology used to create GK's legendary Boost circuit (Gate Induced Valve Effect) found in all GK amps. Driving the MB800's 4-band active EQ, Contour and Gain with FET devices allows the MB800 to seamlessly transition from big clean tone to GK's signature growl.

If you're in the market for a bass head that's big on power and features, and small in size, weight, and price - check out the GK MB800. What an awesome little big head!

Gallien-Krueger MB800 Bass Head Features at a Glance:

  • Beefy 800 watts (@ 4 ohms, or 500 watts @ 8 ohms) gives you arena firepower
  • Discrete FET preamp
  • Push activated Gain A/B and limiter defeat
  • 10dB pad
  • Four band active EQ w/variable contour
  • Effects loop
  • Tuner with mute
  • XLR out, pre/post EQ
  • Defeatable limiter
  • Two speakon outputs
  • Headphone/line output


  • Type = Solid State
  • Number of Channels = 1
  • Power = 800W (4 ohms), 500W (8 ohms)
  • Effects = none
  • Compression = Limiter(defeatable)
  • EQ = 4-band active EQ with variable contour
  • Amp Modeling = No
  • Number of Models = 0
  • Number of Tubes = 0
  • Preamp Tubes = 0
  • Power Tubes = 0
  • Inputs = 1 x Instrument
  • Outputs = 1 x XLR (pre/post EQ), 2 x Speakon, 1 x 1/4" headphone/line
  • Footswitch I/O = 1 x 1/4"
  • Effects Loop = Yes
  • Height = 1.75"
  • Width = 10.75"
  • Depth = 8.5"
  • Weight = 4.9 lbs.

Manufacturer: GK

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