Help converting a 16ohm L-Pad to 8ohm

[gingataff]

A while back I made an attenuator using a 16ohm L-Pad based on the instructions on this site http://guitarprojects.weebly.com/diy-attenuator.html.
So far so good but I was wondering if I could modify it to switch between 16ohm and 8 ohm speakers, my amp already has switchable impedance.

Would adding a 50w 16ohm resistor across the L-Pad make it 8ohms? Is there a better way, or just make another one from scratch using an 8ohm L-Pad?

[gingataff]

[pryde]

Honestly I don't think that would work because an l-pad is not a simple variable resistor. Also, a 50 watt resistor is pretty large and usually requires some heat-sinking under normal operating temperatures.

I would get an 8 ohm l-pad and maybe just build a 2-in-1 box with 8/16 ohm attenuation,

[gingataff]

thanks pryde.
I'll look into getting an 8ohm lpad.