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These 2 Band preamps provide players with an uninhibited musicality derived from Carey Nordstrand’s own personal design. With an ideal feature set facilitating their great sound, these units have become popular with high end bass builders who love to install them as standard OEM preamps on their top level instruments. Given that they are available in many prewired configurations, these preamps have become extremely popular upgrades for basses at all levels of quality.
These preamps have become extremely popular upgrades for basses at all levels of quality. Just pick the configuration that matches the control layout on your bass!
Harnesses are professionally wired in the Fat Bass Tone shop.
***We have several units of the 2B-3a and 2B-4a configurations which were wired up without the solderless connectors. These "non-solderless" versions are available in the drop-down menu.
All of our pre-wired harnesses are now wired using solderless connectors. This means that you should be able to install the harness without any soldering. A mini flathead screwdriver is included to allow you to screw down the terminals on to the necessary wires. Read more here.
(*If you are installing into a bass with a barrel jack, you may need to solder a couple connections) or grab one of our prewired barrel jacks)
2B-3a (1 Pickup - 2 Band -- 3 Knob):
Volume w/Active-Passive Push-Pull -- Treble -- Bass
2B-3b (2 Pickup - 2 Band -- 3 Knob):
Volume w/Active-Passive Push-Pull -- Blend -- Treble/Bass Stack
2B-4a (2 Pickup - 2 Band -- 4 Knob):
Volume w/Active-Passive Push-Pull -- Volume -- Treble -- Bass
2B-4b(2 Pickup - 2 Band -- 4 Knob):
Volume w/Active-Passive Push-Pull -- Blend -- Treble -- Bass
2B-4c (2 Pickup - 2 Band -- 4 Knob):
Volume w/Active-Passive Push-Pull -- Blend -- Tone -- Treble/Bass Stack
Overall gain is 0 to 15db by a trim pot on the circuit board.
Bass +/- 12db @ 50Hz
Treble +/- 12db @4khz
Switchable Treble Response Curve.
Battery life is estimated to be around 250 hours for an alkaline 9v.
Adding a battery to make it 18v will give more headroom and longer life.