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Darkglass Microtubes B3K V2 Bass Preamp Pedal Reviews

Bass Preamp Pedal with Level, Drive, Grunt, Mid Boost, and Blend Controls

Darkglass's line of preamps and overdrive pedals are taking the bass world by storm. Their grind and friendly interfaces have placed them on many pedalboards of bass players around Sweetwater. Their popular B3K V2 keeps the same grind as the original design and adds the ability to restore the mid frequencies. Now you can send your bass rig into meltdown without losing any clarity. If you're looking to add grind to your tone while maintaining your tonal core, you can't go wrong with the Darkglass B3K V2.

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$229.99

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Highest Rated Reviews

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More than just the Nolly sound.

By Sweetwater Customer on September 12, 2023

This thing is a metal bass tone generator. Not just the Nolly sound. It gives you a brutal and clear bass overdrive that will mold to whatever bass you are using rather than turning your bass magically into a dingwall. It cuts through the mix and it does so with authority. Yes it's a little pricey, yes there are cheap clones out there that sound close, but nothing sounds quite like the real deal.

From subtle to mean!

By Sweetwater Customer on August 28, 2022

This little guy truley packs a punch! Practicing at lower volumes with the band, i couldn't really get a grasp on the dirt and going this thing delivers but after my first show using it at full volume I was head over heels.
Thank you Timothy VanSlyke!!

Distortion That Doesn't Loose Definition

By Kenneth Kerrick from Eagan, MN on July 6, 2022

This little beast is a great piece of engineering that can cover light distortion to really heavy while keeping the definition of the note you are playing.

I don't want to turn it off

By Mat from Baltimore on July 18, 2019

I'm mainly using this just to add a little grit to my signal. It does subtle dirt very well. It also does a great overdrive if you want more bite. With the clean blend you never lose the low end. So good.

A MUST for any Metal bassist

By Sweetwater Customer on May 11, 2019

If you play in any type of hardcore or metal band you need this pedal! I have tried the full tone OCD (which I love), Aguilar Agro, Rat, Bass big muff, modeling overdrives and this one is the absolute winner. Cuts thru the mix without sounding glassy or losing any low end. Match this up with your favorite preamp pedal(in my case it"s an Aguilar Tone Hammer) and you"re set!

Great sounding pedal

By joel dubois from phx, AZ on March 20, 2019

love this pedal, sounds great adds a lot to your sound, can add just enough or over the top drive -
I have about 5 different power supply units for my various pedals and an FYI you will get a hum or a bad hum from this pedal if using a power supply it does not like - it is power supply sensitive - it did like my DigiTech power supply and the hum completely gone ! ! - - either get a good power supply and board to clean up the stomp box mess or get a one spot adapter that one seems to work very well too !

Awesomeness in a small box.

By Sotero Rivera from Torrington CT on January 18, 2019 Music Background: Metal, Rock and some blues.

This is probably the best distortion pedal for bass you will ever find. But don't take my word for it, just try it for yourself.....

Dark Glass B3K V2

By ernieD from S. E. Texas on November 19, 2018 Music Background: Gigging bassist w several bands

I just wanted a subtle OD pedal for the classic rock-Tx blues-RnB music we perform. No melt ur face OD for me. But it will sure do it if I want that. Worked great first gig with my Sire P7-5, alder+TC-E BH550 amp+BF 212 cab.

Real nice, glassy highs with a slight bite to the notes. More OD when I dug in. Had all knobs set about 1:00. Gave me a great tone. Quality feel and easy to learn to use was a bonus if this pedal.

Amazing Pedal

By Rich W. from Highlands Ranch, CO. on February 21, 2018 Music Background: Semi-Pro rock & metal bassist with 35 years of experience.

This is my first Darkglass pedal, and I am beyond impressed.
The B3K V2 has the most tube-like & musically usable bass distortion I've ever heard in a pedal.
The range of tones - from warm Ampeg-like growl to razor-sharp yet highly articulate distortion is amazing, and your tone remains beefy & defined at any setting & with any bass - active or passive.
Having the ability to blend your straight & effected signals at any ratio makes this pedal very versatile, and its ability to get just the right grind for any style or song - especially the hard & heavy stuff - is remarkable.
Highly Recommended!

B3K B stands for Best

By Sweetwater Customer on September 9, 2022

This pedal is he Best for the Best reason, it's because it has the Best OD/distortion*type*of all DG pedals.
What's the saying? Often imitated never duplicated? Well in this case it was DG themselves, and they never
did get . B3K uses CMOS for its grit engine, and while you can eventually make a 3K fry, rounded top wavelengths is where it's at. It gives this pedal, and not many others, the sound of tubes/y growl, distortion, & grind. oo
If want to see what that sounds like first, the closest thing I think is live Grand Funk circa 1970, only B3K has more attack, string wise.

B3K!

By Danny Broussard from Texas on May 7, 2018

The PERFECT bass overdrive pedal. One MINOR thought: I don't like the power supply input location (right side).

As always, the (now senior) sales associate Chris is the man.

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