Removed a sticky plate connector and left residue.

SpecsBlend

Mixes the clean input signal with the overdriven signal. The clean signal remains at unity gain while the volume of the overdriven signal is set by the Level knob, allowing for fine control of the blend ratio.

Tone

Controls the high frequency content of the sound. A variable low pass filter from 3kHz (ccw) to 8kHz (cw).

Level

Sets the volume of the overdriven signal.

Drive

Sets the amount of saturation in the overdriven signal.

Grunt

When engaged provides a massive low end boost to really thicken your sound.

Mid Boost

Gives a subtle 6dB boost from 300 Hz to 1kHz to help you cut through a bit more.

Output

Connect from the ¼” Output jack to the input of your amplifier or another effects pedal.

Input

Connect your instrument or output from your pedal board to the ¼” mono jack.

9V DC

Only use a regulated 9V DC adapter with a center-negative plug.

Dimensions

Width: 75 mm / 3″
Length: 111 mm/ 4¼″
Height: 43 mm / 1¾″
Weight: 250 g / 0.55 lb

Warning

The Microtubes B3K has a current draw of 20mA. Only use a regulated 9V DC adapter with a center-negative plug.

Unregulated power supplies and/or higher voltages may result in suboptimal noise performance and even damage your unit, voiding the warranty.