JAM Pedals "Amethyst" Chill

The JAM Pedals "Amethyst" Chill is an analog sine-wave tremolo pedal, a compact amplitude tremolo with three knobs and a second life as a warm clean boost. JAM Pedals describes the circuit as producing "smooth, vintage-style amplitude modulation suited to surf, western and slow pulsing textures"¹. It sits in the tremolo family, with a boost mode that also places it among boost pedals.

Controls

The Chill keeps things to three knobs, and each does one job:

The warm boost mode

The Depth knob is the key to the pedal's second function. JAM Pedals' own instructions for the boost mode: "Set Depth to zero to remove modulation, then use Level as a harmonically rich clean boost."¹ With Depth at zero the pulsing stops altogether, and Level becomes an output boost you can use to push an amp or lift a quiet part in a mix. That makes the Chill a two-in-one pedal: a tremolo for surf, western and slow pulsing textures, and a boost for everything else¹.

Power and practicalities

The Chill runs on a 9V battery or a 9V DC, center-negative supply, and draws 6 mA¹. That current draw is low enough for any standard supply arrangement, and the battery option means it can be used without a power supply at all. True bypass switching keeps the signal path clean when the pedal is off¹.

Hand-painted artwork: no two alike

Every Amethyst Chill carries one-of-a-kind hand-painted custom artwork. JAM Pedals states plainly that "Every custom artwork pedal is a one-of-a-kind hand-painted piece," so the pedal you receive will differ in detail from the photos shown on the product page¹. The artwork versions share the same circuit and sound, differing only in the painting:

• "Achenbach" Chill (product page)
• "Bliss!" Chill (product page)
• "Hand in Hand" Chill
• "Relic" Chill
• "Steampunk" Chill
• "Summer Afternoon" Chill
• "Tetris" Chill (product page)

All are described by the maker as "Same sound, different artwork"¹.