GENERAL SPECIFICATIONS
Nominal diameter
mm (in)
250 (10)
Nominal Impedance
Ohm
8
Minimum impedance
Ohm
6,7
Program power
W
500
AES Power rating
W
250
Sensitivity
dB
97
Frequency range
Hz
70 ÷ 4000
Voice coil diameter
mm (in)
65 (2.5)
Chassis material
Aluminium
Magnet material
Ferrite
Magnet dimensions OD x ID x h
mm (in)
156 x 80 x 20 (6.14 x 3.15 x 0.79)
Coil material
CCAW
Former material
Glass Fiber
Cone material
Water Proof Treated Paper
Surround material
Polycotton
Xmax
mm (in)
5,1 (0.2)
Xmech
mm (in)
9,1 (0.36)
Gap height
mm (in)
8 (0.31)
Voice coil winding height
mm (in)
14,2 (0.56)
Driver displacement volume
l (ft³)
1,6 (0.06)
Recommended Enclosure
l (ft³)
36 (1.27)
Recommended Tuning
Hz
75
SMALL SIGNAL PARAMETERS
DC resistance (Re)
Ohm
5,7
Resonance frequency (Fs)
Hz
74
Moving mass (Mms)
g (oz)
25,4 (0.9)
Compliance (Cms)
mm/N
0,136
Force factor (Bxl)
N/A
14,62
Mechanical Q-factor (Qms)
4,01
Electrical Q-factor (Qes)
0,12
Total Q-factor (Qts)
0,38
Equivalent air volume (Vas)
l (ft3)
27,91 (0.99)
Voice coil inductance (Le)
mH
0,68
Diaphragm area (Sd)
cm2 (in.2)
380,1 (58.9)
Reference efficiency (Eta 0)
2,62 %