Mutable Instruments Shruthi-1 synthesizer with 4-Pole Mission Filter

via this auction

"Shruthi-1 is a digital/analog hybrid monosynth with wide possibilities (digital side: oscillators, envelopes, modulation etc.) and analog filter.

4-Pole Mission Filter possibilities:
15 filter modes are available:

lp4: 4-pole low-pass.
lp3: 3-pole low-pass.
lp2: 2-pole low-pass.
lp1: 1-pole low-pass.
hp1: 1-pole high-pass.
hp2: 2-pole high-pass.
hp3: 3-pole high-pass.
bp2: 2-pole band-pass.
bp4: 4-pole band-pass.
notch: notch filter.
phaser: phaser.
h2lp: 2-pole high-pass and 1-pole low-pass (band-passlike).
h3lp: 3-pole high-pass and 1-pole low-pass (band-passlike).
n+lp: notch and 1-pole low-pass.
p+lp: allpass and 1-pole low-pass.
The 4 resonance flavours are:

liquid: standard, close to the CEM or Roland designs (no loudness drop).
ms: Korg-35 style soft limiting is introduced in the signal chain.
wobbly: The 1-pole output is fed back to the filter cutoff frequency for a rubbery chaotic and modulated resonance.
whacky: A combination of the ms and wobbly modes.


Synthesizer comes in cool graphite Plexiglas case, with YAM OS and universal Power Supply 110-240V (with Euro plug)."