expression pedal Expression Pedal Position - Ext Amp Control Interference?

[araymond213]

Hi all,

 

New HX Effect user here, first post.  It seems there have been many threads regarding the quirks with the expression pedal but I haven't seen this one yet.

 

My issue is that the expression pedal position seems to be affected by the state of another block - namely the Ext Amp control.

When  the Ext. amp button is off (clean channel on amp), the heel position only returns to 3%, not 0.  When ON (overdrive) it does return to 0.

 

This is especially problematic with whammy effects... I expect the heel position to be the unaffected note, but it's 3% sharp.

 

I'm using a line6 EX-1 expression pedal connected with a short TS patch cable.  I've tried to swap cables, same result.

 

The result is also the same whether the amp is connect through the EXP 2 jack or not so it's not a grounding issue there.  I suspect it may be an interference issue between the 2 EXP/Amp jacks?

 

Anyone else experiencing this? 

 

I could make a short video to demonstrate.

 

Thanks

[refagaem]

Hi,

 

i 've the same issue ( 3%) without using Ext. amp button..

 

HX Stomp is in a loop of my PBC switcher and an Exp pedal Boss (EV 30) is connected to PBC,  piloting (in Midi) any effects like wha , whammy, reverb etc..

 

i've regurlarly to re-calibrate the EV 30 in the PBC, so i'm also curious to know what's the issue wich is very boring specially with whammy.

Thanks