12PR310 { 12" - 300 W - 99 dB - 8 Ohm }
 
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
			
135 mm (5.31 in)
		
		
			
Flange and Gasket Thickness
			
12 mm (0.47 in)
		
		
			
Net Weight
			
4.3 Kg (9.5 lb)
		
		
			
Shipping Box
			(Single Carton Box)
			
350 x 346 x 190 mm
			(13.8 x 13.6 x 7.5 in)
		
		
			
Shipping Weight
			
5 Kg (11.0 lb)
		
	


TECHNICAL PARAMETERS
	
		
			
Nominal Impedance
			
8 Ohm
		
		
			
Minimum Impedance
			
6.7 Ohm
		
		
			
AES Power Handling (1)
			
300 W
		
		
			
Maximum Power Handling (2)
			
600 W
		
		
			
Sensitivity (1W/1m)
			
99 dB
		
		
			
Frequency Range
			
50÷4000 Hz
		
		
			
Voice Coil Diameter
			
65 mm (2.56 in)
		
		
			
Winding Material
			
Al
		
		
			
Former Material
			
Glass Fiber
		
		
			
Winding Depth
			
12.5 mm (0.49 in)
		
		
			
Magnetic Gap Depth
			
8 mm (0.31 in)
		
		
			
Flux Density
			
1.2 T
		
		
			
Magnet
			
Ferrite Ring
		
		
			
Basket Material
			
Aluminum
		
		
			
Demodulation
			
No
		
		
			
Cone Surround (3)
			
M-Roll
		
		
			
NET Air Volume filled by Loudspeaker
			
1.9 dm^3 (0.067 ft^3)
		
		
			
Spider Profile
			
1x variable height waves