Usher 8945P Driver

Here we have an Usher 8945P Woofer (7 Inch Driver)
Good condition and original box.
Usher Specifications:
Nominal Impedance: 8  ± 15% at 1.0 V 1 kHz
VC Nominal Dia: 42 mm
Lowest Resonance Frequency: FO = 34 Hz ± 3 Hz at 1.0 V
Effective Frequency Range: FO ~ 5 kHz – 10 dB 1 M/1 W
Output Sound Pressure Level: 86 dB/W/M ± 3 dB 3004 0050 0600 Hz AVE
Input: Rated Input 70 W; Maximum Input 100W
Flux Density: 9.7 K ± 10% GUASS
Buzz & Rattle Test: 7.0 V
Polarity: Positive – (Left) Hand Terminal
Baffle Opening: 138 mm
Magnet Dimension / Weight: 120*60*25 (mm)/1055 g
Weight: 2765 g
Dropping Test: 1150 mm 75° ± 2°
Linear Excursion (Xmax): 6 mm
Equivalent Air Volume (Vas): 37.1679 Litre
Mechanical Q (Qms): 2.441
Electrical Q (Qes): 0.388
Total Q (Qts): 0.335