Friday, April 15, 2022
synthesizers.com Q106A LED Behavior Mod
via sublevel9 lab
"The LED on synthesizers.com's Q106A oscillator cycles as a triangle wave regardless of the shape selected with its waveform selector switch. In LFO mode, I've often wished the LED would follow the shape of the waveform. When the LFO is very slow, it can be hard to tell when the waveform changes direction. I've grown accustomed to how LEDs on Serge modules accurately track their "action", and it can be really helpful for certain things, especially when you're watching for that LED from across the room.
With the Q106A's LFO outputting square or pulse waves, for example, it'd be handy if the LED snapped on and off rather than slowly fading in and out. Or with a sawtooth wave selected, it'd be great if the LED snapped on with the saw's sharp rise and then slowly faded with the saw's descent. So I asked James at synthesizers.com if there's any circuitry on the Q106A that could be co-opted for this purpose.
James said he'd do some digging/experimentation and get back to me. I've not heard many anecdotes of synthesizers.com encouraging DIY work on their stuff, so I was surprised and delighted by his response:
'The PCB can be modified so that the selection on the Wave Range Switch drives the LED. So the LED will follow the [shape] of whatever waveform that switch is set to. Note that this is really only useful at low frequencies. Most of the time the LED will look the same.'"
You can find the mod on sublevel9 lab.
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© Matrixsynth - All posts are presented here for informative, historical and educative purposes as applicable within fair use.
MATRIXSYNTH is supported by affiliate links that use cookies to track clickthroughs and sales. See the privacy policy for details.
MATRIXSYNTH - EVERYTHING SYNTH
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