MATRIXSYNTH: New ALM Busy Circuits ALM018 - ‘MUM M8’ 8hp Eurorack Low Pass Filter

Wednesday, November 29, 2017

New ALM Busy Circuits ALM018 - ‘MUM M8’ 8hp Eurorack Low Pass Filter


ALM018 - 'MUM M8' from ALM on Vimeo.

Apparently Vimeo still does not support embedded playlists, so you will find the additional demos further below.


"‘MUM M8’ is an 8hp Eurorack low pass filter building on the filter design used in the classic Akai S950 12 bit sampler with the addition of resonance, voltage control, clipped saturation and a dedicated VCA.

The low pass filter gives the recognisable super smooth vacuum like tone sucking sound which works magic on complex sources. The addition of clipped overdrive and intentionally aggressive self oscillating resonance compliment the smooth filter core by juxtaposing it into more wasp like territory with acidic squeals and a more gritty sound.

The filter core is a 6th Order Butterworth switched capacitor type design featuring an analog core but controlled by a high speed digital clock. This produces the characteristic smooth sounding filter but, as with the original S950, has a relatively high minimum cut off as to avoid ‘clock bleed’ into the filter output from the digital control. This minimum cut of point can be controlled via trimmers on the rear of the module.

The motivation for the module came from discussing filters in classic samplers with the artist Jack Adams – aka Mumdance. Jack suggested investigating the S950’s filter well known as for it use in classic use in early jungle and hardcore. From that point onward Jack provided inspiration, help and feedback in the development of the filter. Big up Mumdance.

Features

Eurorack recreation of classic sampler filter with added resonance and voltage control.
Dual audio inputs, one with VCA and level control.
Dual CV (with attenuversion) and manual control of cut off frequency.
Single CV (with attenuation) and manual control of resonance.
Ability to overdrive and saturate signals into filter core.
Reverse polarity protection.
Skiff friendly.
Designed and Made in the UK
Mumdance approved 100"

http://busycircuits.com/alm018/


ALM018 - 'MUM M8' - Tone sweep from ALM on Vimeo.

"The video shows the effect of the filter swept on a basic tone from Akemies Castle."




ALM018 - 'MUM M8' - Drums processing from ALM on Vimeo.

"The video demonstrates the filter being swept and modulated on a sampled drum loop."




ALM018 - 'MUM M8' - Squelchy loop from ALM on Vimeo.

"The video demonstrates the filter being used to create an acid like bass line."




ALM018 - 'MUM M8' - Chord processing from ALM on Vimeo.

"‘MUM M8’ is an 8hp Eurorack low pass filter building on the filter design used in the classic Akai S950 12 bit sampler with the addition of resonance, voltage control, clipped saturation and a dedicated VCA."




ALM018 - 'MUM M8' - VCA/Overdrive/Clipping from ALM on Vimeo.

"‘MUM M8’ is an 8hp Eurorack low pass filter building on the filter design used in the classic Akai S950 12 bit sampler with the addition of resonance, voltage control, clipped saturation and a dedicated VCA."


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