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Xotic Effects Bass BB Preamp Distortion/Booster Bass Effects Pedal 

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The Xotic Bass BB Preamp Distortion/Booster Bass Effects Pedal was designed to retain the original attack sound and tonal spectrums while producing a...Click To Read More About This Product

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See All Xotic Effects Bass Effects Pedals

Great-sounding boost that maintains all the attack and spectrum of your playing.

The Xotic Bass BB Preamp Distortion/Booster Bass Effects Pedal was designed to retain the original attack sound and tonal spectrums while producing a variety of gain structures for all bass players. Each of the two broadly-overlapping EQs offers 15dB of Boost or Cut. The gain knob provides a pristine and clean boost to a hard overdriven distortion, which is a very nice tone that stays firm, with great note separation and just the right amount of compression for a smooth overall texture. It features true bypass for eliminating any signal interference when switched out. The BB can be used with an AC adaptor (optional) or 9V Battery.

  • Adds clean gain to overdriven signals
  • Retains each note's original attack sound and tonal spectrum
  • 2 overlapping bands of 15dB Boost or Cut
  • Excellent seperation with smooth compression

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Bass BB Preamp Distortion/Booster Bass Effects Pedal

  • Dimensions (W/D/H): 4.39" x 2.38" x 1.98" (112mm X 60mm X 50mm)
    Weight: 0.6 lbs. (280g)
    True Bypass Switching
    Power Consumption: 9VDC/8mA
    Battery Type: 9VDC (006P) x 1
    AC Adapter (Optional): 9VDC, Negative Tips (Regulated recommended)
    Input Impedance: 500k ohm (min)
    Output Impedance: 10k ohm

Review Snapshot

by PowerReviews
Xotic EffectsBass BB Preamp Distortion/Booster Bass Effects Pedal

(based on 2 reviews)

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Reviewed by 2 customers

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(2 of 3 customers found this review helpful)


Transparent Versatility

By Justin in Austin

from Austin, TX

About Me Experienced

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  • Clean to Scream
  • Compact Design
  • Excellent Sound Quality
  • Responsive
  • Versatile


  • Lack of battery door

Best Uses

  • An SVT in a box
  • Performances
  • Professional Recording

Comments about Xotic Effects Bass BB Preamp Distortion/Booster Bass Effects Pedal:

I've been searching for a dirty box for some time and finally settled on the BB Bass Preamp. My problem was I couldn't find a distortion / overdrive that wouldn't color the tone of my basses or allow a range of dirt. I tried several and even bought a few with poor to fair results. I had settled on a Pork Loin but just couldn't get a slightly distorted sound as if a SVT was being pushed hard with my Modulus Genesis VJ. I bought the BB and literally sold the Pork Lion the same day. You can use the BB as a clean preamp for a passive bass to add an active preamp or just to add another sound palette to any bass you choose. Start turning the gain knob and let the growl begin! From subtle SVT growl to very overdriven, this pedal delivers spot on and the best part is that the tone of the bass is unaltered by the pedal. If you're a battery player, the lack of a battery door will irk you, however mine is connected to an ISO 5 so it's not a problem. I use this pedal at a large church and a hard rock band. Extremely versatile!

(1 of 1 customers found this review helpful)


My Personal

By Ian M. Perge

from Evansville, IN

About Me Professional Musician

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  • 2-bands Of Eq
  • Compact Design
  • Easy Usable Sounds
  • Excellent Sound Quality
  • Extremely High Quality
  • Good Selection Of Effects
  • Hand-built
  • Responsive
  • Small footprint
  • True bypass
  • Tube-sounding Preamp
  • Versatile


  • Battery drainer

Best Uses

  • Amateur Recording
  • Events
  • Home Studio
  • Live gigs
  • Overdrive In A Clean Rig
  • Performances
  • Professional Recording
  • Studio Recording Sessions

Comments about Xotic Effects Bass BB Preamp Distortion/Booster Bass Effects Pedal:

The Xotic Bass BB Preamp was the first "Quality" pedal I purchased when I moved from Multi-Effects Units and Boss/Korg/DigiTech mass-produced effects to Individual Pedals, and while there are a number of high quality/high-end "SVT-In-A-Box" Overdrive/Distortion Pedals on the market now I still consider this to be among the top units.

Firstly is it's perfect balance of ease-of-use vs variety of tone: between its overlapping Treble & Bass EQ section & Gain control, it's quite easy to go from adding just a touch of Overdriven "dirt" into an otherwise Clean Bass tone to Lemmy or Type O Negative's Peter Steele full-on "Lead Bass" Distortion, and many different examples in-between (Entwistle, Squire, Lee and Commerford). However, the amount of Gain you choose to use does not overwhelm the inherent sound of *your* playing style and *your* Bass and other gear. A Jazz Bass will continue to sound like a Jazz Bass, a Precision will sound like a Precision, StingRay, Ibanez, etc... Adding the 2-band EQ section into the equation will continue to give you more options: for example, if you're using a "60's"-type Jazz Bass (Alder Body, Rosewood Fretboard) you may very well want to add some additional treble EQ to sound closer to the stereotypically brighter "70's J-Bass" (Ash Body, Maple Fretboard)... or not, if you simply want to add overdrive/distortion. I've found that while other Bass Overdrive/Distortion pedals may have more functions and knobs/switches, I personally find Gain-increasing effects to be better with a minimum of controls.

One feature is of great use both in the Studio/Recording setting, or if you should find yourself with a massive "Preamp/Head/Amp Failure" before a show: as its name implies, the Xotic Bass BB Preamp has enough output to drive a Power Amplifiler or to the Mixing Board on its own. This "Emergency Function" alone is worth its weight in gold if you don't have an alternative method of amplification should catastrofic failure happens. And you wouldn't even need to play the show using a distorted tone is your usual is a clean one - by simply not increasing the Gain you still have a perfectly good 2-band Preamp at your foot/fingertips.

The quality of the pedal is also second to none. Hand-wired with top-of-the-line parts, its potentiometers & input/output Jacks are all heavy duty, and the footswitch clicks on and off with an audible (and forcefull) "click". The only negative that comes to mind is not only its but most modern pedal: it will drain a 9V battery very quickly. However, as most Bassists as well as myself are switching to pedalboard-mounted multiple pedal power supplies, I doubt this is a true negative to most players.

Again, there are many Bass Overdrive/Distortion pedals on the market currently that give you a choice between multiple presets, more bands of EQ, XLR Outputs, and numerous other functions. However, I believe the Xotic Bass BB Preamp combines ease-of-use, a good deal of tones at its potential & high quality craftsmanship at a reasonable price of pedals of its caliber.

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