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8" 40 WT WOOFER
- 4 Ohm
- Program Power : 80 W
- Voice Coil Diameter : 25.4 mm
- Response : 79-10.2K Hz
- Sensitivity (1W/1m) : 91 dB
Specification
Nominal Diameter
215 mm
Nominal Impedance
4 Ω
Nominal Power Handling (AES)
40 W
Program Power (AES)
80 W
Sensitivity (1W/1m)
91 dB
Frequency Range
79-10.2K Hz
Magnet Material
Ferrite
Voice Coil Dia
25.4 mm
Winding Material
COPPER
Former Material
SV COATED KRAFT
Winding Type
Outside
T/S Parameters
Resonant Frequency (Fs)
79 Hz
DC Resistance (Re)
3.9 Ω
Electrical Q (Qes)
1.18
Mechanical Q (Qms)
11.92
Total Q (Qts)
1.07
Compliance Equivalent Volume (Vas)
17.41 Ltrs
Peak Diaphragm Displacement Volume (Vd)
0.06 Ltrs
Effective Surface Area of Cone (Sd)
221.7 cm^2
Reference Efficiency (no)
0.71%
Moving Mass including air load (Mms)
15.87 gms
Motor Strength (BL)
5.11 T-m
Voice Coil Inductance @ 1 KHz (Le)
0.39 mH
Efficiency Bandwith Product (EBP)
67 Hz
Voice Coil Overhang (Xmax)
±8.65 mm
Mounting Info
Overall Diameter
215 mm
Baffle Cutout Diameter
196 mm
Depth
95 mm
Flange and Gasket Thickness
9.0 mm
Recone Kit
Recone Kit Number
REC8INCH40W
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