Thursday, 30 April 2015

Circuit Bent Tr505

A new machine enters the fold– a circuit bent Tr505!

Pitch pot added using LTC1799 circuit. I kept the original crystal and used a DPDT switch to flick between original pitch, and variable pitch. I also added an input so I can control the pitch via cv using my DOEPFER A-101-9. Nice!

24 Bends were added to the ROM chip using a schematic here avoiding the power and gnd pins.

There are tons more bends possible with this machine (just look online) but I'm super happy with my mods  as I use it solely triggered via MIDI, and wanted to create new timbres which the pitch and rom bends do nicely.

Expect new tracks soon...

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