MATRIXSYNTH: Buchla 2040 - Emu Filter module - test 1


Saturday, September 26, 2015

Buchla 2040 - Emu Filter module - test 1


Published on Sep 26, 2015 DJjondent
Update: the video has been pulled. I'll put a new post up to let you know if it comes back.

"A bit of testing for a DIY Buchla format module.
The audio source is a vintage Buchla 144.
The 2040 uses a SSM 2040 filter chip."


"The top is a clone of the LP filter from the Emu Systems Audity Synth and SSM 2040 voice card.
The PCB is from Analog Metropolis.
It is designed for Eurorack with pots mounted on the PCB.
You can still buy this PCB from AM Synths.

The filter is a 4 pole with cutoff of 24dB/Oct.
The module uses the SSM 2040 filter chip which was designed by Dave Rossum of Emu.. Apart from the Emu synth, this chip can be found in the Digisound 80-7.,Octave Cat (MKII), the Prophet 5 (rev.1 & 2. .......NOT Rev 3 prophets, which use Curtis chips) and the legendary RSF Kobol."

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