12RS550 - 8Ω

NOMINAL SPECIFICATIONS

Nominal Diameter: 300 mm (12 in)
Overall Diameter: 316 mm (12.44 in)
Bolt Circle Diameter: 298.5 mm (11.75 in)
Baffle Cutout Diameter: 282 mm (11.10 in)
Depth: 145.1 mm (5.71 in)
Flange and Gasket Thickness: 17.1 mm (0.67 in)
Net Weight: 8.1 kg (17.9 lb)
Shipping Box (Single Carton Box): 350 x 346 x 216 mm (13.8 x 13.6 x 8.5 in)
Shipping Weight: 8.8 kg (19.4 lb)


TECHNICAL PARAMETERS

Nominal Impedance: 8 Ohm
Minimum Impedance: 6.3 Ohm
AES Power Handling: 500 W
Maximum Power Handling: 1000 W
Sensitivity (1W/1m): 93 dB
Frequency Range: 45÷2500 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: Ferrite Ring
Basket Material: Aluminum
Demodulation: No
Cone Surround: Half Roll
NET Air Volume filled by Loudspeaker: 2.9 dm^3 (0.102 ft^3)
Spider Profile: 1x variable height waves


THIELE AND SMALL PARAMETERS

Fs: 42 Hz
Re: 5.1 Ohm
Qes: 0.39
Qms: 6.9
Qts: 0.37
Vas: 45.4 dm^3 (1.60 ft^3)
Sd: 528 cm^2 (81.84 in^2)
Xmax: 9.25 mm
Xdamage: 20 mm
Mms: 123 g
Bl: 20.5 N/A
Le: 1.5 mH
Mmd: 109.3 g
Cms: 0.12 mm/N
Rms: 4.7 kg/s
Eta Zero: 0.83%
EBP: 108 Hz