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Nordstrand Audio

2B+3A

Nordstrand Audio 2B+ 2 Band Boost Only Preamp

wave form bullet iconNORD'S BOOST ONLY PREAMP

high output bullet iconCLEAR & PUNCHY

configuration bullet iconINTERNAL GAIN TRIM POT FOR MORE CONTROL

wrench bullet iconSEVERAL CONFIGURATIONS AVAILABLE

inverter battery bullet icon9V OR 18V COMPATIBLE

empty box iconFREE SHIPPING IN THE USA
configuration iconEXPERT TECHNICAL SUPPORT
checklist iconIN STOCK MEANS IN STOCK

DESCRIPTION

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.

CONFIGURATIONS

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



TECHNICAL

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.

2B+3A wiring diagram

2B+3B wiring diagram

2B+4A wiring diagram

2B+4B wiring diagram

2B+4C wiring diagram

Customer Reviews

Based on 4 reviews
100%
(4)
0%
(0)
0%
(0)
0%
(0)
0%
(0)
j
james white
Best Improvement on a Spector Euro LT

I like passive pups. The Spector with the Bartolini pups are passive but active only. The Nordy is built like a Sadowsky preamp. Boost only, active/passive with a passive tone control. Couldn't be happier.

J
John Leahy
Norstrand 2B+ Preamp

Max was super helpful and took his time to answer my questions, and also explain what to expect from this preamp. Super happy with the results! Will be back! Thanks Max!

J
Joe Tessoun
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
Ed
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 4 reviews
100%
(4)
0%
(0)
0%
(0)
0%
(0)
0%
(0)
j
james white
Best Improvement on a Spector Euro LT

I like passive pups. The Spector with the Bartolini pups are passive but active only. The Nordy is built like a Sadowsky preamp. Boost only, active/passive with a passive tone control. Couldn't be happier.

J
John Leahy
Norstrand 2B+ Preamp

Max was super helpful and took his time to answer my questions, and also explain what to expect from this preamp. Super happy with the results! Will be back! Thanks Max!

J
Joe Tessoun
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
Ed
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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