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8PR320 { 8" - 300 W - 95 dB - 8 Ohm }
Available Impedance: 8 Ohm
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Nominal Specifications
Nominal Diameter 200 mm (8 in)
Overall Diameter 223.7/207.9 mm (8.81/8.18 in)
Bolt Circle Diameter 210 mm (8.27 in)
Baffle Cutout Diameter 183 mm (7.20 in)
Depth 99.5 mm (3.92 in)
Flange and Gasket Thickness 11 mm (0.43 in)
Net Weight 2.45 kg (5.4 lb)
Shipping Box
(Single Carton Box)		 235 x 235 x 155 mm
(9.3 x 9.3 x 6.1 in)
Shipping Weight 3.2 kg (7.1 lb)


Technical Parameters
Nominal Impedance 8 Ohm
Minimum Impedance 6.1 Ohm
AES Power Handling (1) 300 W
Maximum Power Handling (2) 600 W
Sensitivity (1W/1m) 95 dB
Frequency Range 60÷4000 Hz
Voice Coil Diameter 65 mm (2.56 in)
Winding Material Al
Former Material Glass Fiber
Winding Depth 17.4 mm (0.69 in)
Magnetic Gap Depth 8.2 mm (0.32 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 0.82 dm^3 (0.029 ft^3)
Spider Profile 1x variable height waves
Thiele and small parameters
Fs 65 Hz
Re 5.4 Ohm
Qes 0.43
Qms 8.2
Qts 0.41
Vas 13.1 dm^3 (0.46 ft^3)
Sd 223 cm^2 (34.57 in^2)
Xmax (4) 7.33 mm
Xdamage (5) 16.85 mm
Mms 31.7 g
Bl 12.9 N/A
Le 0.52 mH
Mmd 27.9 g
Cms 0.19 mm/N
Rms 1.6 kg/s
Eta Zero 0.83 %
EBP 151 Hz


PART NUMBER (P/N)
Faston Terminals - 8 Ohm Version 02004338



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 6.1 Ohm
AES Power Handling (1) 300 W
Sensitivity (1W/1m) 95 dB
Frequency Range 60÷4000 Hz
Flux Density 1.2 T
Magnet Neodymium Slug
Demodulation No
Cone Surround (2) Triple Roll
Fs 65 Hz
Re 5.4 Ohm
Qes 0.43
Qms 8.2
Qts 0.41
Vas 13.1 dm^3 (0.46 ft^3)
Sd 223 cm^2 (34.57 in^2)
Xmax (3) 7.33 mm
Xdamage (4) 16.85 mm
Mms 31.7 g
Bl 12.9 N/A
Le 0.52 mH
Mmd 27.9 g
Cms 0.19 mm/N
Rms 1.6 kg/s
Eta Zero 0.83 %
EBP 151 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 223.7/207.9 mm (8.81/8.18 in)
Bolt Circle Diameter 210 mm (8.27 in)
Baffle Cutout Diameter 183 mm (7.20 in)
Depth 99.5 mm (3.92 in)
Flange and Gasket Thickness 11 mm (0.43 in)
Net Weight 2.45 kg (5.4 lb)
Shipping Box
(Single Carton Box)		 235 x 235 x 155 mm
(9.3 x 9.3 x 6.1 in)
Shipping Weight 3.2 kg (7.1 lb)