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Nordstrand Audio

2B+3A

Nordstrand Audio 2B+ 2 Band Boost Only Preamp

The 2B+ preamp is a boost-only version of Nordstrand's popular standard 2B preamp. 

  • The 2B+ Boost Only Preamp offers the same carefully selected eq points and two way treble frequency dip switch, but goes above and beyond its fellow preamps in that it allows up to 15db boost for powerful tone shaping capabilities. This preamp offers a flexibility and practical simplicity that will boost highs and polish lows. It includes a dip switch for shifting the treble eq point, as well as an adjustable gain trim pot that enables you to increase the overall output.

  • 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 +15db @ 50Hz

    Treble +15db @4khz

    Switchable Treble Response Curve

    Battery life is estimated to be around 250 hours for an alkaline 9v.

Customer Reviews

Based on 2 reviews
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J
J.T.
Nordstrand Audio 2B+ 2 Band Boost Only Preamp

Max was straight, honest and extremely knowledgeable. I strongly suggest the Nordstrand Bass preamps for their clarity, punch and transparency.

E
E.
Nordstrand Audio 2B+ 2 Band boost only

Let me start with the team at Fat Bass Tone. Max was extremely helpful in making sure I ordered exactly what I wanted. He spent the time and effort to research and advise me on what I was looking for. I needed to replace the factory preamp in a Music Man Sterling SUB bass. This was a drop in replacement and now the bass is a whole different animal in a great way. Thanks again to Max and the team at Fat Bass Tone!

Customer Reviews

Based on 2 reviews
100%
(2)
0%
(0)
0%
(0)
0%
(0)
0%
(0)
J
J.T.
Nordstrand Audio 2B+ 2 Band Boost Only Preamp

Max was straight, honest and extremely knowledgeable. I strongly suggest the Nordstrand Bass preamps for their clarity, punch and transparency.

E
E.
Nordstrand Audio 2B+ 2 Band boost only

Let me start with the team at Fat Bass Tone. Max was extremely helpful in making sure I ordered exactly what I wanted. He spent the time and effort to research and advise me on what I was looking for. I needed to replace the factory preamp in a Music Man Sterling SUB bass. This was a drop in replacement and now the bass is a whole different animal in a great way. Thanks again to Max and the team at Fat Bass Tone!

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