MATRIXSYNTH: Modified TR707 with HKA Design ROM switcher

Tuesday, September 07, 2021

Modified TR707 with HKA Design ROM switcher


video upload by circuitbenders.co.uk

"A (far too long) demo of a modified Roland TR707 with a HKA ROM switcher installed to give 8 separate sound banks. Different banks are activated by holding down the 1 to 8 step keys as you turn it on.

This was mainly done as a proof of concept to work out if our standard TR7X7 glitching patchbay, individual pitch controls, DAC distortion and decay modifications would work on a HKA modified machine. It turns out everything works perfectly.

Further details on our mods can be found at: https://www.circuitbenders.co.uk/drum...

The HKA sound bank expansion can be found at: https://hkadesign.org.uk/tr707expansi..."

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