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12PR320 { 12" - 300 W - 96 dB - 16 Ohm }
Available Impedance: 8 Ohm16 Ohm
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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 2.75 kg (6.1 lb)
Shipping Box
(Single Carton Box)
350 x 346 x 190 mm
(13.8 x 13.6 x 7.5 in)
Shipping Weight 3.4 kg (7.5 lb)


Technical Parameters
Nominal Impedance 16 Ohm
Minimum Impedance 12.4 Ohm
AES Power Handling (1) 300 W
Maximum Power Handling (2) 600 W
Sensitivity (1W/1m) 96 dB
Frequency Range 45÷5000 Hz
Voice Coil Diameter 65 mm (2.56 in)
Winding Material Al
Former Material Glass Fiber
Winding Depth 17.2 mm (0.68 in)
Magnetic Gap Depth 8 mm (0.31 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 1.9 dm^3 (0.067 ft^3)
Spider Profile 1x variable height waves
Thiele and small parameters
Fs 45 Hz
Re 11.3 Ohm
Qes 0.56
Qms 7.6
Qts 0.52
Vas 96.7 dm^3 (3.41 ft^3)
Sd 539 cm^2 (83.55 in^2)
Xmax (4) 7.27 mm
Xdamage (5) 17 mm
Mms 52.5 g
Bl 17.3 N/A
Le 0.96 mH
Mmd 38.3 g
Cms 0.24 mm/N
Rms 1.9 kg/s
Eta Zero 1.52 %
EBP 80 Hz


PART NUMBER (P/N)
Push Terminals - 16 Ohm Version 03004314



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 16 Ohm
Minimum Impedance 12.4 Ohm
AES Power Handling (1) 300 W
Sensitivity (1W/1m) 96 dB
Frequency Range 45÷5000 Hz
Flux Density 1.2 T
Magnet Neodymium Slug
Demodulation No
Cone Surround (2) Triple Roll
Fs 45 Hz
Re 11.3 Ohm
Qes 0.56
Qms 7.6
Qts 0.52
Vas 96.7 dm^3 (3.41 ft^3)
Sd 539 cm^2 (83.55 in^2)
Xmax (3) 7.27 mm
Xdamage (4) 17 mm
Mms 52.5 g
Bl 17.3 N/A
Le 0.96 mH
Mmd 38.3 g
Cms 0.24 mm/N
Rms 1.9 kg/s
Eta Zero 1.52 %
EBP 80 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 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 2.75 kg (6.1 lb)
Shipping Box
(Single Carton Box)
350 x 346 x 190 mm
(13.8 x 13.6 x 7.5 in)
Shipping Weight 3.4 kg (7.5 lb)