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Gallien Krueger MBE 212 Speaker issue

Discussion in 'Amps and Cabs [BG]' started by munkyman00, Feb 19, 2014.

  1. munkyman00


    Feb 19, 2014

    I have a GK MBE212 and while playing last night I noticed a fart sound coming from the lower speaker. I replaced all cables and tried my bass in another amp so it points to the cab. I took the bottom speaker out but I can't see any obvious damage. Can anyone suggest anything to try, before having to cough up some cash to replace the speaker? Also, are there any cheaper decent alternatives to the Paragon 12", 300W, 8 Ohm, Neodymium Bass Driver it has by default.

    Any help is much appreciated.

    Cheers! :crying:
  2. xbud

    xbud Supporting Member

    Nov 9, 2012
    Southwestern, PA
    I know these aren't the same quality as the Gallien Krueger original speakers but they are an exceptional value if you have to replace the speaker and cant replace with something better.


    General Specifications:
    Nominal Diameter: 12 inch
    Rated Impedance: 8 ohms
    Operating Bandwidth: 30Hz ~ 3.2KHz
    Power Handling Capacity: 350W RMS
    Sensitivity (1W/M): 96 dB
    Voice Coil Diameter: 2.2 inch
    Overall frame diameter: 12.28"

    Thiele-Small Parameters:
    Resonance Frequency Fs: 36.23 Hz
    DC Resistance Re: 6.3 ohm
    Mechanical Q Factor Qms: 2.823
    Electrical Q Factor Qes: 0.476
    Total Q Factor Qts: 0.407
    Equivalent Cas air load Vas: 121.67 liters
    Efficiency Bandwidth Product EBP 89.017
    Voice Coil Over Hang X-max 7 mm

    Physical Information:
    Cutout: 11.10"
    Mounting Depth: 5.51"
    Basket: Cast Aluminium
    Magnet Type: 67 OZ
    Cone Material: Non-Pressed Paper
    Surround: Cloth
    Dust Cap: Paper
    Damper: Cloth

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