Dan Armstrong Green Ringer mods

Posted 2007-10-09 in Effects by Johann.

The Dan Armstrong Green Ringer is a simple but effective octave-up circuit that borders on ring modulation. By itself, it lacks a little character but in combination with an overdrive, the Green Ringer sounds great.

There’s been some of attempts to counter the problems of the Green Ringer circuit, add sustain, distortion and make the build easier.

Nulling mod

The Green Ringer nulling mod by JC Maillet adds a pot to balance the mixing of both half-wave rectified signals.

21st Century Green Ringer

The 21st century Green Ringer adds a gain boost and simplifies the signal mixing section.

Switchable filter mod

The Switchable Filter Mod also adds a gain boost and a low-pass filter for signal conditioning.

By the way, Grafton Electronics has started selling a stomp box version of the Green Ringer.