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8PR150 { 8" - 250 W - 94 dB - 8 Ohm }
Available Impedance: 8 Ohm
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Nominal Specifications
Nominal Diameter 200 mm (8 in)
Overall Diameter 207.9 mm (8.18 in)
Bolt Circle Diameter 210 mm (8.27 in)
Baffle Cutout Diameter 183 mm (7.20 in)
Depth 93.7 mm (3.69 in)
Flange and Gasket Thickness 10.8 mm (0.43 in)
Net Weight 1.5 kg (3.3 lb)
Shipping Box
(Single Carton Box)		 235 x 235 x 155 mm
(9.3 x 9.3 x 6.1 in)
Shipping Weight 1.8 kg (3.9 lb)


Technical Parameters
Nominal Impedance 8 Ohm
Minimum Impedance 6.6 Ohm
AES Power Handling (1) 250 W
Maximum Power Handling (2) 500 W
Sensitivity (1W/1m) 94 dB
Frequency Range 75÷3000 Hz
Voice Coil Diameter 52 mm (2 in)
Winding Material Al
Former Material Glass Fiber
Winding Depth 12.5 mm (0.49 in)
Magnetic Gap Depth 7.5 mm (0.30 in)
Flux Density 1.1 T
Magnet Neodymium Slug
Basket Material Aluminum
Demodulation Copper Cap
Cone Surround (3) Triple Roll
NET Air Volume filled by Loudspeaker 0.6 dm^3 (0.021 ft^3)
Spider Profile 1x constant height waves
Thiele and small parameters
Fs 75 Hz
Re 5.8 Ohm
Qes 0.54
Qms 4.4
Qts 0.48
Vas 16.2 dm^3 (0.57 ft^3)
Sd 233.9 cm^2 (36.25 in^2)
Xmax (4) 5.00 mm
Xdamage (5) 27 mm
Mms 21.2 g
Bl 10.4 N/A
Le 0.2 mH
Mmd 17.2 g
Cms 0.21 mm/N
Rms 2.3 kg/s
Eta Zero 1.2 %
EBP 140 Hz


PART NUMBER (P/N)
Faston Terminals - 8 Ohm Version 02004437



Notes:
(1) 2 Hours Test According to AES 2-1984 Rev. 2003
(2) Maximum power is defined as 3dB greater than nominal power.
(3) Treated Polycotton
(4) Xmax= [(winding depth - magnetic gap depth)/2] + (magnetic gap depth/3)
(5) Maximum excursion before permanent damage
Quick acoustic specs
Nominal Impedance 8 Ohm
Minimum Impedance 6.6 Ohm
AES Power Handling (1) 250 W
Sensitivity (1W/1m) 94 dB
Frequency Range 75÷3000 Hz
Flux Density 1.1 T
Magnet Neodymium Slug
Demodulation Copper Cap
Cone Surround (2) Triple Roll
Fs 75 Hz
Re 5.8 Ohm
Qes 0.54
Qms 4.4
Qts 0.48
Vas 16.2 dm^3 (0.57 ft^3)
Sd 233.9 cm^2 (36.25 in^2)
Xmax (3) 5.00 mm
Xdamage (4) 27 mm
Mms 21.2 g
Bl 10.4 N/A
Le 0.2 mH
Mmd 17.2 g
Cms 0.21 mm/N
Rms 2.3 kg/s
Eta Zero 1.2 %
EBP 140 Hz



Note:
(1) 2 Hours Test According to AES 2-1984 Rev. 2003
(2) Treated Polycotton
(3) Xmax= [(winding depth - magnetic gap depth)/2] + (magnetic gap depth/3)
(4) Maximum excursion before permanent damage
Quick mechanical specs
Nominal Diameter 200 mm (8 in)
Overall Diameter 207.9 mm (8.18 in)
Bolt Circle Diameter 210 mm (8.27 in)
Baffle Cutout Diameter 183 mm (7.20 in)
Depth 93.7 mm (3.69 in)
Flange and Gasket Thickness 10.8 mm (0.43 in)
Net Weight 1.5 kg (3.3 lb)
Shipping Box
(Single Carton Box)		 235 x 235 x 155 mm
(9.3 x 9.3 x 6.1 in)
Shipping Weight 1.8 kg (3.9 lb)