Whirlwind Orange Box

The Whirlwind Orange Box is a phaser pedal, a phaser being an effect that sweeps a notch through your signal to produce that swirling, jet-plane modulation. Whirlwind has been making it since 1973, and the maker bills it as "The swirling, edgy phaser that started it all in 1973!"¹

What it does

As a phaser, the Orange Box takes your guitar's signal, splits it, and recombines it with a moving phase shift, creating the sweeping, swirling character players associate with the effect type. Whirlwind describes the result as smooth and warm modulation, and sums up the tone in its own words: "the result? Gobs of thick, rich tone."¹

How it is built

The Orange Box is handwired, and Whirlwind says it uses select resistors paired with hand-matched components. The maker states this is done "to achieve the same smooth and warm" character of the original design, keeping the current production in line with the circuit's 1973 origins.¹

That construction approach sets it apart from mass-produced phasers: hand-matched components are a way of tightening up the parts tolerances that shape a phaser's sound, rather than relying on off-the-shelf combinations¹.

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