MATRIXSYNTH: MACA filter by LA67 - Demo and Build


Tuesday, July 26, 2022

MACA filter by LA67 - Demo and Build


video upload by Synth Diy Guy

"Checking out this cool easy to build filter kit! Just classic rubbery goodness on a compact but complete interface.
More info here: https://www.lasesentaysiete.com/maca-...

My Website: https://www.quincasmoreira.com/ Patreon: https://www.patreon.com/quincas

Index

00:00 Demo
12:04 Build"



A 4-pole multimode filter based on the SSI2140 integrated circuit. Essentially an updated version of the classic SSM2040, the new SSI2140 adds better temperature compensation and a VCA that helps eliminate low frequency damping at high resonance settings. Besides the obligatory 4-pole low pass, MACA adds both 2-pole low pass and 4-pole band pass outputs. There is also a input level control that allows you to easily overdrive the filter core.

Features
• 4-pole LP, 2-pole LP, & 4-pole BP outputs
• Input level control
• 16hz-16khz range
• "Q" CV input
• Inverting attenuator on "FM" input
• "V/oct" CV input
• Sine wave oscillator at high "Q" settings

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