Wave 2 is generated from multiple detuned and layered pulse waves, and was synthesised to give a larger-than-life synth reed timbre. It has a strong harmonic presence and is much thicker than Wave 1, so this is the end of the dial to turn to when you want a bigger, more aggressive sound.
Cranking up the Warmth control and slowing the Shimmer can yield some great out-of-pitch ethnic reed sounds, while typical synth patches suddenly acquire a more organic texture. Background drones or melodic lines, soft washes or squawking bagpipe chanters; even full-on grinding organ patches – it's all here!
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