FS=47.75Hz
Qms=7.334
Qes=.552
Qts=0.514
Vas=0.376 cu. ft.
Re=2.653 ohms
Le=0.157mH
Spl=85.22 @ 1w/1m
Voice coil length is a respecable 19.8mm,
the top plate is 10mm thick So Xmax is 4.9mm
See the following Pdf informational pages provided by Grant Spangler:
ApexJr Super8 2nd Order Bessel
ApexJr Super8 Bandpass Single-Tuned Q=.642
ApexJr Super8 Bandpass Single-Tuned
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