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		 Specifications   
					Nominal Diameter   
					Nominal Impedance   
					Minumum Impedance   
					Power Handling   
					380 mm (15 in)   
					8 Ω   
					6.2 Ω   
					(50 –500 Hz)   
					Nominal1   
					400 W   
					800 W   
					99 dB   
					Continuous Program2   
					Sensitivity (1W/1m)3   
					Frequency Range   
					Voice Coil Diameter   
					Winding Material   
					Former Material   
					40-2000 Hz   
					76 mm (3 in)   
					Copper   
					Glass Fibre   
					16 mm (5/8 in)   
					9 mm (11/32 in)   
					1.2 T   
					Winding Depth   
					Magnetic Gap Depth   
					Flux Density   
					Also available in 4 Ω, data upon request   
					4 
					Thiele & Small Parameters   
					Fs   
					Re   
					39 Hz   
					5.1 Ω   
					Qes   
					Qms   
					Qts   
					Vas   
					0.23   
					8.7   
					0.22   
					211 dm3 (7.4 ft3)   
					Sd   
					855 cm2 (132.5 in2)   
					5.3%   
					η0   
					X max   
					X var   
					Mms   
					Bl   
					4 mm   
					4 mm   
					79 g   
					15 PL 40 | Woofer   
					20.6 T·m   
					2 mH   
					Le   
					High efficiency 15" woofer using a 3" copper voice coil that   
					allows a high power handling (800W). Very good LF performance   
					in compact bass-reflex enclosures, flat frequency response, the   
					15 PL 40 represents an optimal choice for a two-way system.   
					Can be used with success also in horn loaded enclosures.   
					Mounting and Shipping Information   
					Overall Diameter   
					Bolt Circle Diameter   
					Baffle Cutout Diameter   
					Depth   
					394 mm (15.5 in)   
					374 mm (14.6 in)   
					355 mm (13.9 in)   
					163 mm (6.4 in)   
					16 mm (5/8 in)   
					8.9 kg (19.6 lb)   
					9.6 kg (22.4 lb)   
					450x450x200 mm   
					(17.7x17.7x8 in)   
					Flange and Gasket Thickness   
					Net Weight   
					Shipping Weight   
					Shipping Box   
					1 2 hours test made with continuous pink noise signal (6 dB crest factor) within the   
					specified range. Power calculated on rated minimum impedance. Loudspeaker in   
					free air.   
					2 Power on Continuous Program is defined as 3 dB greater than the Nominal rating.   
					3 Applied RMS Voltage is set to 2.83V for 8 ohms Nominal Impedance. Average   
					SPL from 200 to 2000Hz.   
					4 Thiele-Small parameters are measured after a high level 20 Hz sine wave precon-   
					ditioning test.   
					Download from Www.Somanuals.com. All Manuals Search And Download.   
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