MATRIXSYNTH: Michigan Synth Works Introduces LRB-303 - a DIY TB-303 in Blue or Silver

Tuesday, March 03, 2026

Michigan Synth Works Introduces LRB-303 - a DIY TB-303 in Blue or Silver



via Michigan Synth Works

"This a complete kit to build the LRB-303 synthesizer.

This kit includes:

SMD populated LRB-303 Mainboard
SMD populated LRB-303 Switchboard
Alps Tact switches, LEDS, Standoffs
Switched DIN Socket
Mainboard Through hole parts (8 Pots, 2 Brackets, Slide Switch, Audio, DC, CV Jacks)
Precut and Tinned Ribbon Cables (4 Pcs)
Alps Rotary Switches
Precut interconnect wires
OS-303 Processor with MIDI harness
Dust Covers (4 pcs)
NOT Included:

Knob Set
Case Kit (available separately)
More details soon!

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