The Metasonix R-52 Vacuum-Tube Multimode Filter
The Metasonix R-52 Vacuum-Tube Multimode Filter is a unique synth module for Eurorack modular synthesizers. Description: The r-52 uses two pentodes, type 12au6. The circuit is derived directly from the Metasonix tm-2 filter, but with all the features of their tm-6 filter. A pair of bandpass filters is swept with a vactrol(tm) control element, a… Read More The Metasonix R-52 Vacuum-Tube Multimode Filter

