MATRIXSYNTH: Breadboarded TR-606 - wip


Monday, December 24, 2018

Breadboarded TR-606 - wip


Published on Dec 24, 2018 Stereoping

"Some work in progress of a learning project ... a TR-606 on breadboard with the TR-808 Cowbell and the DR-110 clap - all voices heavily modded. The finished result will be 606ish Midi-Drumexpander in 2 units 19" rack. No sequencer, no CV inputs.

The mods will offer wide ranges but staying in 'safe' areas to avoid unpleasant sonic surprises. The ringing Oscillator (HH&CY) and Cowbell squarewaves are made with an AtMega8 reading 6 pots and offering wide ranges of timbre and tune manipulation for Cowbell, Cymbal & HH. Clap burst management (Count of bursts and time between them) also made with the Atmel MPU. The clap has 2 individually tunable bandpasses (original DR110 just got 1): one for the bursts, the other for the Clap reverb.

Further features: Miditrigger, Accent, pot to adjust level of non-accented triggers (between off and accent level), individual outputs and clean PCB design with all pots, switches and jacks directly on PCB."

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