MATRIXSYNTH: ANA by Mystic Circuits

Tuesday, August 21, 2018

ANA by Mystic Circuits

Published on Aug 21, 2018 Mystic Circuits

"At it’s core, Ana is a collection of ring modulators and other signals based on these ring modulators. Two inputs to Ana yield six outputs, each one a different process of these two inputs. By varying one of the front panel controls, all six outputs are changed simultaneously. If you have been looking for a slim, multi-function device to add both utility and a dose of weirdness to your workflow then Ana is the swiss army knife module for you."

Additional details via Mystic Circuits

"ANA is a utility module comprising six functions that combine two inputs. These functions are:

MIN – compute the minimum of the two input voltages

MAX – compute the maximum of the two input voltages

VCA – compute the XOR, or multiplication the two input voltages

MAG – compute the difference between the two input voltages.

STEP – perform a track and hold based smooth/ stepped process from the two inputs

BOX – perform a bipolar comparator process resulting in a 3 level square wave.


The front panel controls are used to attenuvert or offset the input signals depending on how ANA is patched:

Patching a signal into either IN1 or IN2 will make the corresponding knob function as an attenuverter

Patching a signal into either SUM1 or SUM2 will make the corresponding knob function as an offset

Patching into both inputs will attenuvert the signal patched into either IN1 or IN2 and add the signal patched into either SUM1 or SUM2.

Leaving all inputs to a channel unpatched makes the corresponding knob a static offset.

The attenuverters are able to boost an incoming signal by a factor of 2.


ANA lends itself to a wide variety of functions, many of them performed simultaneously. Here is a short list of them:

Process CV with gain and offset.

Multiply signals as a through-zero VCA with unique character.

Add harmonics by rectifying a signal.

Create pseudo random sequences.

Distort incoming signals under voltage control

Compute Boolean logic on gates or continuous voltages.

Extract Gates and sequences from modulation signals.

Price: $180

Size: 6 HP

Depth: 21mm (from panel to end of power header)

Power Draw: ~ 34 mA on +12V, ~ 31mA on -12V"

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