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Bartolini piezo buffer mpb1 vs mpb2

Discussion in 'Pickups & Electronics [BG]' started by ChrisPbass, Mar 19, 2013.


  1. ChrisPbass

    ChrisPbass

    Jul 18, 2006
    Fairfax, VA
    Does anyone know the difference between the MPB1 and MPB2?

    longstory short, I have the MPB1 which says (bass boost on piezo channel).
    I'm told the 2 is better for bass.
    It is not installed yet.

    Any thoughts, experience?

    Thanks!
     
  2. SGD Lutherie

    SGD Lutherie Banned Commercial User

    Aug 21, 2008
    Bloomfield, NJ
    Owner, SGD Music Products
    The MPB1 has an input impedance of 390k on the magnetic channel, while the MPB2 has an input impedance of 1M. The MPB2 will give a brighter tone from the magnetic pickups. The MPB1 will sound darker. Most bass amps have an input impedance of about 1M, but you also have your cable and controls to factor in on passive basses, so the MPB1 might sound more "passive".

    Both buffers have an input impedance of 3.3M on the piezo channel.
     
  3. ChrisPbass

    ChrisPbass

    Jul 18, 2006
    Fairfax, VA
    Modulus bass
    Bart passive pups
    Bart ntmb w active passive switch
    Eden wt 400
    I also use a thumpinator which is a hpf but has buffer properties too I believe
     

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