NOMINAL SPECIFICATIONS
Nominal Diameter
460 mm (18 in)
Overall Diameter
460 mm (18.11 in)
Bolt Circle Diameter
440 mm (17.32 in)
Baffle Cutout Diameter
424 mm (16.7 in)
Depth
202 mm (7.95 in)
Flange and Gasket Thickness
13.9 mm (0.55 in)
Net Weight
4.6 Kg (10.1 lb)

TECHNICAL PARAMETERS
Nominal Impedance
8 Ohm
Minimum Impedance
6 Ohm
AES Power Handling
(1)
600 W
Maximum Power Handling
(2)
1200 W
Sensitivity (1W/1m)
99 dB
Frequency Range
30÷3150 Hz
Voice Coil Diameter
77 mm (3 in)
Winding Material
Cu
Former Material
Glass Fiber
Winding Depth
22 mm (0.87 in)
Magnetic Gap Depth
10.5 mm (0.41 in)
Flux Density
1.2 T
Magnet
Neodymium Slug
Basket Material
Aluminum
Demodulation
No
Cone Surround
(3)
Triple Roll
NET Air Volume filled by Loudspeaker
5.7 dm^3 (0.201 ft^3)
Spider Profile
1x variable height waves

THIELE & SMALL PARAMETERS
Fs
30 Hz
Re
5.1 Ohm
Qes
0.36
Qms
12.5
Qts
0.35
Vas
374.8 dm^3 (13.24 ft^3)
Sd
1134 cm^2 (175.77 in^2)
Xmax
(4)
9.25 mm
Xdamage
(5)
17.5 mm
Mms
137.0 g
Bl
19 N/A
Le
1.35 mH
Mmd
114.9 g
Cms
0.21 mm/N
Rms
2.06 Kg/s
Eta Zero
2.70 %
EBP
83 Hz