I have the Filter mod hooked up to my Juno-60 but midi control does not have much range. When the control on my Juno is low, midi control doesn’t add much beyond what the slider would move 1/5 of travel.
Can any resistors be added, taken away to increase the voltage of the control?
The Tubutec LFO, ENV and S&H seems to have a bit stronger effect but not much.
you can increase the filter range by swapping a smd resistor on the bottom of the Juno-66 board.
The resistor is a 060 type with a value of 100k. A smaller value will increase the filter range. If you decrease it by a factor, you should increase the capacitor at the filter cable by the same amount.
If you do not have the right tools, swapping a smd resistor is not easy, so be careful.
I will see if this modification can be made default for the next production run
I just performed this mod myself and it has made all the difference. It wasn’t easy soldering a through-hole resister in parallel with the tiny SMD one, but I got it done. Now MIDI CC to VCF Freq has full range control and I can finally use new VCF Envelope! Thanks for providing the clear instructions!
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