Wah via MIDI expression pedal?

Ledvedder

Ledvedder

Experienced
Is it possible to have a midi expression pedal auto engage and control a wah pedal block? Similar to how it can be done with an expression pedal plugged into pedal 1 or 2 jacks?
 
Yes. I have 3 (of 4 total) midi expression pedals using auto engage.

I assign the CC# to one of the External Controllers. Assign the Controller to the Control parameter of the Wah and turn Auto Engage on in the modifier.
 
Hi,
just one question to the experts..
Is the resolution via MIDI the same as using the PDL 1/2 ports or is it stepped down to 128 steps?
Thanks in advance
Alex
 
Stepped down to 128 for sure, but some small values in the attack and release modifier (~20ms or so) can help smooth that over without destroying the feel. But you do have me tempted to see if I like running the pdl port directly off the unit instead.
 
Thanks for the replies,
the zipper noises could be evened out, i`m more thinking about the "feel" of the (especially wah) pedal via MIDI or via the PDL 1/2 inputs.
Are there noticeable differencies? I`m thinking about getting a DA Midi BABY to connect my controller pedal via MIDI and using the PDL 1/2+3/4 ports for stand in switches.
TIA Alex
 
jamongrande said:
Stepped down to 128 for sure, but some small values in the attack and release modifier (~20ms or so) can help smooth that over without destroying the feel. But you do have me tempted to see if I like running the pdl port directly off the unit instead.
Click to expand...
Thank you, pls let me know if you hear, feel, observe any differencies between those 2 types of triggering the wah, especially with slow parameter settings.
Alex
 
I used MIDI for wah with my Axe II and then pedal via my FC-12 on my Axe III. No noticeable difference in feel or action. Dividing the pedal range into 128 segments is still pretty fine for something you control with your foot with only about 20 or so degrees of rotation. Try moving your wah pedal 1/128th of it's available range.
 
mr_fender said:
I used MIDI for wah with my Axe II and then pedal via my FC-12 on my Axe III. No noticeable difference in feel or action. Dividing the pedal range into 128 segments is still pretty fine for something you control with your foot with only about 20 or so degrees of rotation. Try moving your wah pedal 1/128th of it's available range.
Click to expand...
Ha, makes sense :cool:
 
Only Issue I've had with expression pedals via Midi is there is no way to calibrate them, so it may only move from 8-127. Is there any way around this?
 
I have a few different type of potentiometer expression treadles/pedals/knobs, each with their own idiosyncratic responses based off the pot and type of action. Some midi devices allow you to customize the taper of an expression input response. But if your expression device is only only giving you 8-127, I would use the modifier controls and alter the scale or offset so my minimum expression hits the minimum on the modifier.

Outside of that, 8-127 sounds suspicious, like a bad cable or pot that could use a quick cleaning.
 
I have two EV1s and they both control different parameters of different blocks: one Wah, the other Whammy.

At the toe setting they only go to 98%. I calibrated them and still only go to 98%.

Thoughts?
 
The Muzicianist said:
I have two EV1s and they both control different parameters of different blocks: one Wah, the other Whammy.

At the toe setting they only go to 98%. I calibrated them and still only go to 98%.

Thoughts?
Click to expand...
They go to 98% where? In the calibration screen or in the modifier screen?
 
The Muzicianist said:
Neither the calibration or modifier screen. In the BLOCK screen after the modifier has been set. For 'control' of the Whammy it only goes to 98%
Click to expand...
Post a picture of the modifier screen with the pedal in toe down.

When you calibrate, does the "bar" move as you move the pedal?

And you're using the FM3, right? There used to be an Axe Fx III bug that caused a similar issue but that was fixed years ago.
 
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