ARP Axxe: Voltage-Controlled LFO Speed

With the Fast LFO Mod, all kinds of cool FM sounds are possible with the Axxe. I wanted to be able to control the LFO speed with the "Y" direction on the Continuum to modulate these sounds.

I tried two different methods of achieving this. The second method ended up being quite a bit better:

  1. Photocell Method
  2. Analog Multiplier Method