Darkglass Microtubes B1K Mini Bass Overdrive Pedal

Save Space without Compromise with the Darkglass Audio Microtubes B1K Mini Bass Overdrive Pedal

The Microtubes B1K is a phenomenal tribute to one of Darkglass' most legendary distortion circuits in a compact and intuitive format. The Microtubes B1K distortion pedal was proudly introduced as the first of its kind from an all-new lineup.

Controls

• Front
• Level: Sets the volume of the overdriven signal
• Drive: Sets the amount of saturation in the overdriven signal
• Back
• Blend: Mixes the clean input signal with the overdriven signal. The clean signal is fixed at unity gain, while the volume of the overdriven signal is set by the Level knob, allowing for fine control of the blend ratio. Turn clockwise to blend in the clean signal
• Tone: Controls the high frequency content of the sound. A variable low pass filter from 3 kHz to 8 kHz. Turn CCW for a brighter sound
• DIP Switches
• Grunt: Provides a low-end boost to massively thicken your sound when engaged
• MBoost: Gives a subtle 6 dB boost from 300 Hz to 1 kHz to help you cut through the mix

SPECIFICATIONS

• I/O:
• 1 x 1/4" Input
• 1 x 1/4" Output
• DC 9v Center Negative Input
• Input Impedance: 1 MΩ
• Output Impedance: 1 kΩ
• Current Consumption: ~17 mA
• Dimensions (W x D x H): 2 x 4 x 1.5 inches / 50 x 100 x 45 mm
• Weight: 0.45 lb / 205 g

We are Chuck Levin's Washington Music Center

Since 1958, Chuck Levin’s Washington Music Center has been the trusted destination for musicians and audio professionals across Maryland, Virginia, and Washington, D.C. Family-owned and operated, our legendary music store delivers Everything in Music®—from instruments and recording gear to pro audio, rentals, and repair services.

Our team of musicians and industry experts lives and breathes gear, helping you build the perfect setup for your next performance, studio session, or installation. As an authorized dealer for top brands, we also offer our award-winning CHUCKSCLUSIVE line—exclusive, limited-edition instruments and collaborations recognized with the NAMM Top 100 Dealer Innovation Award for redefining what a music retail experience can be.

Chuck Levin’s isn’t just a store—it’s a community built by players, engineers, and creators who share a lifelong passion for sound. Stop by our legendary Wheaton, MD showroom or contact us anytime for expert advice, product questions, or the best possible deal on your next piece of gear.