NOMINAL SPECIFICATIONS
Nominal Diameter
250 mm (10 in)
Overall Diameter
256.8 mm (10.11 in)
Bolt Circle Diameter
243.8 mm (9.60 in)
Baffle Cutout Diameter
233.8 mm (9.20 in)
Depth
102 mm (4.02 in)
Flange and Gasket Thickness
8 mm (0.31 in)
Net Weight
2.2 Kg (4.9 lb

TECHNICAL PARAMETERS
Nominal Impedance
8 Ohm
Minimum Impedance
6.2 Ohm
AES Power Handling
(1)
150 W
Maximum Power Handling
(2)
300 W
Sensitivity (1W/1m)
96 dB
Frequency Range
50÷4500 Hz
Voice Coil Diameter
37 mm (1.46 in)
Winding Material
Al
Former Material
Kapton
Winding Depth
12 mm (0.47 in)
Magnetic Gap Depth
8 mm (0.31 in)
Flux Density
1 T
Magnet
Ferrite Ring
Basket Material
Steel
Demodulation
No
Cone Surround
(3)
Accordion (4 waves)
NET Air Volume filled by Loudspeaker
0.6 dm^3 (0.021 ft^3)
Spider Profile
1x constant height waves

THIELE & SMALL PARAMETERS
Fs
55 Hz
Re
5.9 Ohm
Qes
0.74
Qms
11.3
Qts
0.70
Vas
53.4 dm^3 (1.89 ft^3)
Sd
332 cm^2 (51.46 in^2)
Xmax
(4)
4.67 mm
Xdamage
(5)
10.4 mm
Mms
24.5 g
Bl
8.2 N/A
Le
0.42 mH
Mmd
21.2 g
Cms
0.34 mm/N
Rms
0.75 Kg/s
Eta Zero
1.16 %
EBP
74 Hz