Check the listing for details. Maximal Drone (handmade synth, Rucci Electronics). Condition: New. Listed at 140.00 USD. This is a maximal drone synthesizer capable of dense sounds and thick chords. Six oscillators modulate against each other. Each selectable as either full range, off, or low range. There is also a low pass filter and volume. A CV input allows you to power the device with control voltages from 0-5V for interesting automated power sag results. The case is extremely tough die-cast aluminum painted with a durable textured black finish. The CV input is 1/8″, and the mono 1/4″ audio output makes it easy to connect to amps, effects or recording equipment. It is powered by an included 9-volt battery or 9V center-negative DC adapter. This was designed and hand-built in Oakland, California. Please watch this youtube demo (raw aluminum in video, listing is for black case with white knobs)...youtube.com/v/k60LGtWd3NI Here is a video of the Maximal Drone paired with a CV Sequencer...youtube.com/v/ERAB0F-OqM8