I would think the inductance in the wiring and voice coils would be far greater than the inductance in a single resistor. If you wanted to be sure you could get some 8 ohm non-inductive power resistors at Radio Shack for $2.29 each and have your two 4 ohm pads for under $10.
"Non Inductive" resistors.
I have a couple of Boston Acoustics speakers that I picked up for free at the dump. The woofers were torn, but the boxes and grills were like new. I put in a couple of Dayton Audio woofers, and they are better than OK except that the tweeter needs about a 4 ohm padding resistor.
In view of my minimal investment, I don't feel inclined to use exotic resistors. Question is...so what if the resistor had a bit of inductance? Wouldn't the resulting roll off be well above the audio range?
In view of my minimal investment, I don't feel inclined to use exotic resistors. Question is...so what if the resistor had a bit of inductance? Wouldn't the resulting roll off be well above the audio range?