MATRIXSYNTH: Modded Roland EF-303 Groove Effects Processor / Synthesizer SN ZN70621


Tuesday, January 01, 2019

Modded Roland EF-303 Groove Effects Processor / Synthesizer SN ZN70621

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"Interesting vintage effects processor which was released by Roland back with their early MC-x0x series boxes. For various effects you can use a 16 step series of linear potentiometers to specify modulation sequence. I used it mainly for Filter and the Low Fi effect. Also has a very basic drum machine and bass synth. Receives and sends midi sync. Enjoy!

One thing to note in the pics - the play/continue and reset buttons were relocated to tactile physical momentary switches on this unit. Works fine, maybe even somewhat improved actually from the original switch type. Anyway, just something to keep in mind in case you are looking for a completely ‘stock’ unit."

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