Browne Amplification UNIT-13 Dual Distortion Pedal

The UNIT-13 has its roots in classic American distortion circuits, both loved and misunderstood by many. Like many things in life, the UNIT-13 wasn’t something we necessarily planned to create. It slowly began presenting itself through experiments, ideas, and the occasional late-night thought until we finally listened. The result is a dual distortion with immense range, from subtle low-gain grit to an absolute sonic beating.

Both sides of the UNIT-13 share the same fundamental circuit, but each has been carefully tweaked and voiced for its intended role.

LEFT SIDE: LOW GAIN

The left side is designed specifically as a low-gain stage. One of our favorite ways to use classic distortion circuits is with the gain turned down, but doing so often sacrifices low end and leaves very little usable range on the DRIVE control. We addressed both problems:

• Expanded low-gain control: We reduced the total available gain, giving you far more control throughout the DRIVE knob’s sweep. Don’t be fooled…there’s still plenty of drive on tap.
• 3-way Low End toggle: Lets you dial back in the perfect amount of low end to suit your rig.

RIGHT SIDE: HIGH GAIN

The right side takes the same core circuit in the opposite direction, voiced for classic higher-gain sounds and a more aggressive response.

• 2-way Clipping Diode toggle: Selects between two different flavors of hard-clipping character

NEW A/B FOOT SWITCH MODE

An internal DIP switch allows the UNIT-13 to operate in a new A/B channel-switching mode:

• LEFT FOOT SWITCH = ON/OFF: Engages or bypasses the entire pedal.
• RIGHT FOOT SWITCH = A/B: Instantly switches between the left and right sides.
• Visual bypass indication: When the pedal is bypassed, the LED for the selected side slowly flashes at 50% brightness, so you always know which side is waiting when you engage the pedal.
• Switch sides while bypassed: Select your A or B side before engaging the pedal, so the sound you want is ready when you step on it.

Prefer traditional dual-pedal operation? Standard switching mode, like Browne’s existing dual pedals, is still available.

ADDITIONAL FEATURES

• Independent LEVEL, DRIVE, and TONE controls for each side
• Standard 9V DC power
• Top-mounted input, output, and DC jacks
• True-bypass soft switching
• New folded-aluminum enclosure

- browneamps.com