Tiptop/Buchla 248t MARF

The 248t MARF is a 16-stage control voltage generator with deep stage-by-stage behavior and two independently addressable sections. The point of the MARF is that pitch, timing, shape and progression are all up for negotiation — so a row of faders can become a melody, a contour, a rhythmic map, a very peculiar modulation source, or several of those at once.
What makes it so intriguing is not just the number of stages, but how loosely the whole thing treats the idea of “sequence.” One set of 16 sliders handles voltages, another handles time, and the two can be addressed in more than one way; the top can steer pitch while the bottom shapes duration, but the timing section can also become part of the voltage game. You can break the MARF into uneven subsequences, run one section against another, add slope between stages for glides and long curves, push it into very short events or stretch it into slower-moving terrain that behaves more like hand-drawn voltage than conventional step sequencing. To put it simply — this is not a machine that politely advances from step 1 to step 16 and calls it a day.
The MARF is a strange and wonderful thing. It invites you to think less in terms of notes and bars, more in terms of motion, event density, held voltages, jumps, pulses, glissandi and evolving timbre control. Tiptop’s version keeps that open-ended Buchla logic intact while making it more practical in a modern rack, including preset recall after power-down and compatibility with their ART ecosystem for tuning and polyphonic control. For anyone after a control source that can shape pitch, time and motion in unusually open-ended ways, the MARF remains a very serious piece of work!
Features:
Modern Eurorack recreation of the rare Buchla Model 248 Multiple Arbitrary Function Generator
16 stages with two independently addressable output sections
Flexible control voltage generator and processor for sequencing, envelopes, modulation and more
Separate fader control over output voltages and time intervals
Many definable behaviors available on a per-stage basis, including stepped, sloped and quantized operation
Can be configured as uneven or parallel subsequences
Can function as a long multistage modulation source or LFO-like contour generator
External control over timing and progression
Non-volatile memory for preset recall after power-down
Compatible with Tiptop Audio’s ART protocol for tuning and polyphony