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The Sadowsky SPB-1 V2 preamp and DI pedal is a great-sounding preamp that gives you all the tones that made Sadowsky a household name among discerning bass players worldwide. With its two-band bass and treble boost-only setup, this pedal is beautifully simple in use (which is great), yet gives you a wide variety of tones because these frequencies are perfectly tailored to what works well with bass guitar.
Roger Sadowsky's approach to bass electronics has always been about enhancing what's already great about your instrument. The SPB-1 V2 continues this philosophy, providing the same legendary preamp circuit that has graced countless professional recordings and live performances over the decades.
So if you're after that Marcus Miller tone, that punchy, articulate sound that defined so many classic recordings; or just want to find that unique place where Sadowsky fits in the mix, this is a great option. The boost-only design means you're always adding to your sound, never taking away, which preserves the natural character of your bass while giving you the tools to enhance it musically.
This preamp/DI combo is a great match when you want to add some active tone control to a passive bass, transforming it into a more versatile instrument without permanent modification. But in reality, it works well with just about any bass if you want specific control to give it that signature Sadowsky vibe that has made these instruments so coveted by professionals.
The DI section is studio-grade, providing a clean, professional signal that's perfect for recording or going direct to front of house. The ground lift switch helps eliminate hum in challenging electrical environments, while the pre/post EQ switch gives you flexibility in how the signal is sent to the mixing console.
The build quality is exceptional, reflecting Sadowsky's commitment to professional-grade equipment. The enclosure is robust enough to handle years of touring abuse, while the internal components are selected for their sonic properties and long-term reliability. The controls have a smooth, precise feel that inspires confidence during performance.
Whether you're looking to capture that classic New York bass sound in the studio or need reliable tone shaping for live performance, the SPB-1 V2 delivers the Sadowsky magic in a compact, pedalboard-friendly format that has become an industry standard.
Description from Sadowsky
The Sadowsky SBP-1 Bass Preamp offers bassists the same electronics that has been built into every Sadowsky bass for over 30 years. With the flexible combination of preamp and DI box, the pedal can be used in the effects setup in front of the amplifier or to connect your bass directly to a mixer or the PA.
The control options are kept simple with Volume, Treble and Bass, Treble and Bass only work as a boost.
The SBP-1 Bass Preamp is ideal for upgrading old vintage instruments where you don't want to change the original electronics.
The best results are achieved with passive basses or circuits with active pickups, where you can bypass the active electronics.
Boost only EQ section for Bass and Treble
Switchable mute for the instrument
DI output to connect the pedal directly into a PA or recording console
Bass + 18 dB boost at 40 Hz
Treble + 18 dB boost at 4 kHz
True bypass
Controls for Volume, Treble, Bass
Ground Lift switch
Bypass footswitch (On / Off)
Mute footswitch
Status LEDs
Metal housing
6.3 mm mono in / output jacks
6.3 mm mono tuner output
XLR out (DI)
Power supply via 9V battery or optional 9V DC adapter, 2.1 x 5.5 mm barrel plug, polarity (-) center
Current draw 11 mA
Size:
4.17" [106mm] Long
4.21" [107mm] Wide
2.4" [61mm] High
Weight: 1.72 Lbs. [780g]