Moog Music Forum

Hi Gang,

I was just asked this question in a PM, but I suspect that others will benefit from the answer so:

What is your preferred method for programming the Sub 37 keyboard to have Velocity routed to Volume amount of a patch? I've tried using the the VEL AMT (Sustain knob with flashing Delay) up to 100% but it's not quite what I mean/am looking for which is just a simple velocity to loudness parameter. (I'm assuming the Preset Vol of a particular patch would need to be less than 100% but still can't find the controller/routing to adjust this to my playing style).

The key thing to understand about the VEL AMT parameters (one for Filter EG and the other for Amp EG) is that they both work in a negative way against the current value of Filter Cutoff and Amplitude. In other words, the *more* you turn the knob clockwise, the more that a low Velocity *reduces* the Filter Cutoff EG and Amplitude EG's effect on Filter and Volume.

Here is my standard methodology for setting VEL AMT knobs for the Filter and Amp EGs:

1. Press the KNOB SHIFT button so that it's blinking.

2. Make sure that VEL AMT (SUSTAIN) knobs are fully counter-clockwise for both Filter and Amp.

3. Press the KNOB SHIFT button so that it's *not* blinking.

4. Set everything on your preset so that it's the loudest and brightest you'd want it to be for the highest velocity. (Note: At this point, your actual key velocity has no effect on either, so don't beat up your keyboard.)

5. Press the KNOB SHIFT button so that it's blinking.

6. Play a key repeatedly, as soft as you can, while setting the Filter EG's VEL AMT until a soft strike is as dark as you want.

7. Play a key repeatedly, as soft as you can, while setting the Amplitude EG's VEL AMT until a soft strike is as quiet as you want.

8. Press the KNOB SHIFT button so that it's *not* blinking. {It's crucial to NEVER leave the KNOB SHIFT LED blinking whenever you're not editing its eight parameters. You will totally mess up your envelopes if you think you're editing ADSRs!}

Now, your Filter Cutoff and Amplitude will beautifully interpolate between your min and max velocities.

{Note: Since the Filter's EG AMT knob is a crucial part of the connection between the Filter EG and Filter Cutoff, you may need to tinker with the EG AMT and CUTOFF knobs for the Filter EG's VEL AMT parameter to have a dramatic effect (during Step 4). If the EG AMT knob is pointing straight up (zero), you will be unable to affect the Cutoff via velocity.}

It should also be noted that this methodology is the same for the Sub Phatty.

The only difference is that, instead of pressing a KNOB SHIFT button on the Sub 37, you engage the SHIFT MODE in the Sub Phatty:

"Engage SHIFT MODE by holding down the BANK 4 button and then pressing the ACTIVATE PANEL button. When you do this, all the BANK and PATCH buttons will go dark and the ACTIVATE PANEL button will blink."

"Pressing ACTIVATE PANEL again will cancel the SHIFT MODE and return all the controls to their normal functions."

Thanks for that, Dan


R.

Hi Dan many thanks once again for your reply!

Bing