HX stomp : volume drop when changing input's impedance

[bushdenoel]

Hello,

 

I have a massive drop in volume level, mids and highs when I set the input in 10K. I really don't recall having this issue before. Is this supposed to happen ?

 

Here's a video link of the problem : 

 

 

Thanks for your help,

 

Bastien

[Schmalle]

This is normal behavior with guitars with passive pickups.

 

Passive guitar electronics are designed to drive a high impedance (e.g. 1 MOhm). Technically they are weak voltage sources (the voltage is the signal) and break down when they are forced to drive a low impedance (e.g. 10 kOhm).

 

You might have not realized this before because you used a pedal in front or a guitar with active electronics which can drive a low impedance.

[datacommando]

On 6/20/2024 at 8:20 AM, bushdenoel said:

Hello,

 

I have a massive drop in volume level, mids and highs when I set the input in 10K. I really don't recall having this issue before. Is this supposed to happen ?

 

Thanks for your help,

 

Bastien

Hi,

 

Yes, this is supposed to happen - here is a quote from the HX Stomp 3.0 Owner’s Manual > Page 22 > Input Settings

 

HX Stomp has an impedance circuit on its Main L/R inputs that affects tone and feel by loading your guitar’s pickups as they would by an effect pedal or amplifier.
A lower value will typically result in some high frequency attenuation, lower gain, and an overall “softer” feel. A higher value provides full frequency response, higher gain, and an overall “tighter” feel. The “Auto” option allows the impedance to reflect the impedance of the first block in the signal path—also see the Auto Impedance option in “Global Settings > Preferences”

 

For further info, download the manual here:

https://line6.com/data/6/0a00050b058066312873a50cf/application/pdf/HX Stomp 3.0 Owner's Manual - English .pdf

 

Hope this helps/makes sense.