Weird T/S measurements

[thirdicomplex]

I understand. I'm not dwelling on it. And I do appreciate your insight and advice

 

[Joel Wesseling]

Below is what He's showing over at MAC/DIY
If accurate, I want 4 of them!


Spec 55-5670 8"
Re 6.465
Fs 31.63
Le 0.88
Qes 0.4
Qms 1.253
Qts 0.303
Mms 24.31
Vas 59.86
SPL 89.14

I purchased 2 of the 55-5670 woofers

I measure
Fs 37.7
Qes 0.51
Qms 1.32
Qts 0.37
Vas 59.48

This is after 4 hour break in..
Going to measure in 40l box

Thinking about midbass in 4 way

They are good in 40L ported and similar to Silver Flute W20RC38-08 in that way.
The MCM has a nicer mounting surface.