I'm curious on the accuracy of my Eminence Delta 15A woofer (used in Theater 4 Pi speaker xover). On their spec. page they show:

Coil Inductance (Le) = 0.86 mH
Coil Impedance (Re) = 6.9 ohms

Using the above, C5 = 18uF and R3 = 8.625

But when using my LCR digital multi-meter to measure the actual woofer I get:

Coil Inductance (Le) = 0.66 mH
Coil Impedance (Re) = 6.5 ohms

Using the above, C5 = 15.62uF and R3 = 8.125 ohms

Should I use C5 & R3 values that I measured with my LCR meter or should I just stick with say a 20mH inductor as mentioned from other previous posts? Is it that Eminence's specification shows a "nominal" value and what I get with my LCR meter will be different?

Brendon

I'll let Wayne tackle the "She needs a 15.62uF cap, She needs it not, She needs a 16.52uF Cap, shee needs it not" problem

Le of 0.66mH & 0.64mH
Re of 6.5 & 6.4 ohms

So for C5 i've installed 15uF Solen capacitor and for R3 I used 7.5 ohm resistor.

Also just finished doing a super duty bracing for the cabinets and letting it set as we speak. Will give a final review after good break-in.

The Theater 4 Pi aren't really broken in yet but so far.. they are quite dynamic and fast in sound.

Right now i'm a little annoyed of mis-placing 4 of the woofer screws...