The crew here at PGS spent a great deal of time pouring over the Klon circuit (including our own) and the diodes used therein. After much searching and prodding with direction from Rockett, we were able to cultivate our own magic for this, the Archer Ikon—the definitive transparent overdrive.
It might come as a shock that boutique stalwart Keeley Engineering has never released a tremolo pedal. That dry spell is over. The Keeley Dynatrem is a long time coming, and it is certainly worth the wait.