Bartolini NTMB Preamps

Bartolini NTMB preamps are among the best known onboard bass preamps. Many major manufacturers as well as most smaller custom builders have Bartolini preamps as an option for their instruments, and many use Bartolini preamps as their standard stock preamp for their basses.

The NTMB come prewired on a harness with gain control trim potentiometer to control overall output. This means that the preamp module comes wired up to the potentiometers, battery connectors and the output jack. In most cases, the only connections that will need to be made are connecting the pickup wires to the pots and ground. Depending on layout, you may need to extend a couple of the wires to reach to the jack.

Bartolini Preamps come prewired from the factory. The NTMB are wired for 9 Volt operation, but an extra battery clip is included for 18 Volt operation.

**See the Bartolini FAQ section for information about knobs**

  1. Bartolini 5.2AP Compact Preamp 2-Pickup 5-Knob 3-Band Vol P/P A/P - Bl - Treb - Mid P/P - Bass

    $182.00
    New for 2014! The new Bartolini NTMB Systems have eliminated the second module and have only the single 1-3/4" x 1" x 1/2" module. There is also a weight saving on the new systems of 20 grams. Control...
  2. Bartolini 5.3AP Compact Preamp 2-Pickup 5-Knob 1-Switch 3-Band Vol P/P A/P - Vol - Treb - Mid - Bass - Mid Sw

    $182.00
    The new Bartolini NTMB Systems have eliminated the second module and have only the single 1-3/4" x 1" x 1/2" module. There is also a weight saving on the new systems of 20 grams. Control...
  3. Bartolini 5.2 Compact Preamp 2-Pickup 5-Knob 3-Band Vol - Bl - Treb - Mid P/P - Bass

    $171.00
    The new Bartolini NTMB Systems have eliminated the second module and have only the single 1-3/4" x 1" x 1/2" module. There is also a weight saving on the new systems of 20 grams. Control...
  4. Bartolini 4.7 Compact Preamp 2-Pickup 4-Knob 1-Switch 3-Band Vol - Bl - Mid - Treb/Bass Stack - Mid Sw

    $192.00
    New for 2014! The new Bartolini NTMB Systems have eliminated the second module and have only the single 1-3/4" x 1" x 1/2" module. There is also a weight saving on the new systems of 20 grams. Control...
  5. Bartolini 4.7AP Compact Preamp 2-Pickup 4-Knob 1-Swtich 3-Band Vol P/P A/P - Bl - Mid - Treb/Bass Stack - Mid Sw

    $204.00
    The new Bartolini NTMB Systems have eliminated the second module and have only the single 1-3/4" x 1" x 1/2" module. There is also a weight saving on the new systems of 20 grams. Control...
  6. Bartolini 4.6 Compact Preamp 2-Pickup 4-Knob 3-Band Vol - Bl - Mid P/P - Treb/Bass Stack

    $182.00
    The new Bartolini NTMB Systems have eliminated the second module and have only the single 1-3/4" x 1" x 1/2" module. There is also a weight saving on the new systems of 20 grams. Control Configuration Volume Blend Mid...
  7. Bartolini 4.6AP Compact Preamp 2-Pickup 4-Knob 3-Band Vol P/P A/P - Bl - Mid P/P - Treb/Bass Stack

    $191.00
    The new Bartolini NTMB Systems have eliminated the second module and have only the single 1-3/4" x 1" x 1/2" module. There is also a weight saving on the new systems of 20 grams. Control...
  8. Bartolini 3.4 Compact Preamp 2-Pickup 3-Knob 3-Band Vol/Vol Stack - Mid P/P - Treb/Bass Stack

    $186.00
    The new Bartolini NTMB Systems have eliminated the second module and have only the single 1-3/4" x 1" x 1/2" module. There is also a weight saving on the new systems of 20 grams. Control Configuration Volume/Volume...
  9. 20% off
    Bartolini 5.4 Compact Preamp 2-Pickup 5-Knob 1-Switch 3-Band Vol - Bl - Treb - Bass - Mid - Mid Sw

    Bartolini 5.4 Compact Preamp 2-Pickup 5-Knob 1-Switch 3-Band Vol - Bl - Treb - Bass - Mid - Mid Sw

    Regular Price: $185.00

    Special Price $148.00

    The new Bartolini NTMB Systems have eliminated the second module and have only the single 1-3/4" x 1" x 1/2" module. There is also a weight saving on the new systems of 20 grams. Control Configuration Volume Blend Treble Mid Bass Mid...
  10. Bartolini 2.4AP Compact Preamp 1-Pickup 3-Knob 3-Band Vol P/P A/P - Mid P/P - Treb/Bass Stack

    $179.00
    The new Bartolini NTMB Systems have eliminated the second module and have only the single 1-3/4" x 1" x 1/2" module. There is also a weight saving on the new systems of 20 grams. Control...
  11. 13% off
    Bartolini 5.4AP Compact Preamp 2-Pickup 5-Knob 1-Switch 3-Band Vol P/P A/P - Bl - Treb - Bass - Mid - Mid Sw

    Bartolini 5.4AP Compact Preamp 2-Pickup 5-Knob 1-Switch 3-Band Vol P/P A/P - Bl - Treb - Bass - Mid - Mid Sw

    Regular Price: $195.00

    Special Price $169.00

    The new Bartolini NTMB Systems have eliminated the second module and have only the single 1-3/4" x 1" x 1/2" module. There is also a weight saving on the new systems of 20 grams. Control...