Published on Nov 26, 2018 WayneJoness
Demo of the Wayne Joness SBC-1324 with the Roland G707 guitar and GR-300 guitar synth, and the Moog MP-201 Mulit-Pedal. The SBC-1324 is a converter with both 13 and 24 pin inputs, and 13 and 24 pin ouputs. The SBC-1324 was also featured here with a G-707 back in 2012. Below are some pics and info on its creation from joness.com.
"Back in 2009 I was approached by a very talented Canadian guitarist who wanted to be able to control both vintage Roland 24 pin GR-series synthesizers and modern Roland 13 pin GK-series synthesizers with one guitar, either a 13 or 24 pin guitar.
The SBC-1324 is the unit I built to meet this need. The unit has both 13 and 24 pin inputs, and a master analog switch to select between the two. There are six amplifiers for each string input, used primarily to boost the 13 pin signals to the 24 pin format, but they can also be used individually to amplify any single string input, whether 13 or 24 pin.The unit also generates all the control voltages, plus hex fuzz, needed for the vintage Roland GR-series. For each control voltage, there is a switch to select from the signal coming from the guitar, or the internal control voltage.
In additional, there are control voltage inputs on the back for all four vintage control voltages, so that an external pedal, like the Moog MP-201, can be used as a control modulator. To top it off, an external control pedal can be used as the master control for each control voltage.
This was a one-off project, all hand-wired using perf boards and point-to-point wiring. To illustrate how to use the unit, I made several videos (shown below) that step through all the features."
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