MATRIXSYNTH: Roland SH-09 Vintage Analog Synthesizer


Saturday, August 08, 2015

Roland SH-09 Vintage Analog Synthesizer

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"All faders have been rebuilt (removed, disassembled, cleaned & lubed). VCO & Filter have been calibrated. Some minor signs of wear but nothing major. Both power LED & LFO LED have been changed from red to orange. There are 2 3.5mm jacks at the rear. One control the VCF Cutoff. I am unsure what the other does. There is a 3rd hole that was controlling the envelope but I removed it as it affected how the envelopes triggered from the selector switch on the front. Also, I internally wired the headphone Out to the Audio In jack's unused switch, so when nothing is plugged in it feeds the synth back into the filter causing some insane overdrive. When a jack is inserted it breaks this connection."


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