The Browne Amplification Unit-13 is a dual-channel distortion pedal inspired by classic American high-gain circuits, engineered to deliver everything from transparent low-gain grit to searing high-gain aggression.
What’s Special About It
Both sides share the same core circuit but are independently voiced for distinct roles. It introduces an innovative A/B switching mode (akin to amp channel switching) where the left footswitch handles true bypass and the right footswitch instantly toggles between channels. Smart visual bypass indication flashes the active channel’s LED at 50% brightness so you know what is queued up, while an internal DIP switch lets players revert to traditional independent stacking if preferred.
Most Intriguing Controls:
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3-Way Low End Toggle (Left Side): Restores low frequencies that are typically lost when turning down the drive on classic distortion circuits.
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2-Way Clipping Diode Toggle (Right Side): Selects between distinct hard-clipping characters for varied high-gain textures.
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Expanded Low-Gain Sweep: Re-tuned drive range on the left channel yields finer control over subtle breakup without sacrificing bottom end.
Other Controls:
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Independent Level & Drive: Separate volume and gain knobs for both the left and right channels.
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Tone Controls: Dedicated EQ shaping parameters for each side to dial in high-end bite or warmth.
What other pedals like it are there?
Alternative dual-channel distortion and Rat-style drive pedals include the Dark Devices White Disto, Drunk Beaver Heavy Water / Secret Sauce, ProCo Rat 2 (stacked), and the Krozz Devices RoyalBreaker.
