FX15 Swell

From the vendor

The FX15 Swell project is based directly off the DOD FX15 Swell. A pedal similar to the Boss SG-1 Slow Gear except the FX15 requires you to hold down the "bypass" switch to activate the swell which alone makes this work better than the SG-1 because it doesn't have to detect the onset of a note to create the swell. The instructions will also include a mod to create a detection method that includes using a metal pick!

The original used a CLM50 which is hard to find and expensive if you do. We replace this with a standard LED/LDR combo and it works excellent but the board includes pads for both the CLM50 and a LED/LDR.

The FX15 Swell Pedal was introduced in late 1984, and was designed to hel