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12HX240 { LF 12" - 250 W - 97 dB - 8 Ohm | HF 30 W - 107 dB - 8 Ohm }
Available Impedance: 8 Ohm
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Nominal Specifications
Nom. Diameter 300 mm (12 in)
Overall Diameter 316 mm (12.44 in)
Bolt Circle Diameter 298.5 mm (11.75 in)
Baffle Cutout Diameter 280 mm (11.02 in)
Depth 162 mm (6.38 in)
Flange and Gasket Thickness 12 mm (0.47 in)
Net Weight 4.2 kg (9.3 lb)
Shipping Box
(Single Carton Box)		 350 x 346 x 216 mm
(13.8 x 13.6 x 8.5 in)
Shipping Weight 5 kg (11.0 lb)



Technical Parameters { LF } { HF }
Nom. Impedance 8 Ohm 8 Ohm
Minimum Impedance 6.4 Ohm 6.8 Ohm
AES Power Handling (1) 250 W 30 W
Max Power Handling (2) 500 W 60 W
Sensitivity (1W/1m) (3) 97 dB 107 dB
Frequency Range 55÷5000 Hz 1500÷20000 Hz
Voice Coil Diameter 65 mm (2.56 in) 37 mm (1.46 in)
Winding Material Al Al
Former Material Glass Fiber Kapton
Winding Depth 17.4 mm (0.69 in) 2.1 mm (0.08 in)
Magnetic Gap Depth 8 mm (0.31 in) 2.6 mm (0.10 in)
Flux Density 1.25 T 1.85 T
Min. Cross. Freq. (4) - 1.7 kHz
Dispersion Angle - 100°
Diaphragm Material - Ketone Polymer
Diaphragm Shape - Annular
Magnet Neodymium Ring Neodymium Ring
Basket Material Aluminum -
Demodulation Aluminum Ring -
Cone Surround (5) 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 { LF }
Fs 56 Hz
Re [LF] 5.3 Ohm
Re [HF] 5.5 Ohm
Qes 0.38
Qms 11.3
Qts 0.37
Vas 61.1 dm^3 (2.16 ft^3)
Sd 539 cm^2 (83.55 in^2)
Xmax (6) 7.37 mm
Xdamage (7) 17.4 mm
Mms 53.6 g
Bl 16 N/A
Le 0.45 mH
Mmd 39.5 g
Cms 0.15 mm/N
Rms 1.7 kg/s
Eta Zero 2.67 %
EBP 147 Hz


PART NUMBER (P/N)
Push Terminals - 8 Ohm Version 03004319



Notes:
(1) 2 Hours Test According to AES 2-1984 Rev. 2003
(2) Maximum power is defined as 3dB greater than nominal power.
(3) HF Sensitivity averaged within the frequency range
(4) 12 dB/oct or higher slope high-pass filter
(5) Treated Polycotton
(6) Xmax= [(winding depth - magnetic gap depth)/2] + (magnetic gap depth/3)
(7) Maximum excursion before permanent damage

Quick acoustic specs { LF } { HF }
Nom. Impedance 8 Ohm 8 Ohm
Minimum Impedance 6.4 Ohm 6.8 Ohm
AES Power Handling (1) 250 W 30 W
Sensitivity (1W/1m) (2) 97 dB 107 dB
Frequency Range 55÷5000 Hz 1500÷20000 Hz
Flux Density 1.25 T 1.85 T
Min. Cross. Freq. (3) - 1.7 kHz
Dispersion Angle - 100°
Diaphragm Material - Ketone Polymer
Diaphragm Shape - Annular
Magnet Neodymium Ring Neodymium Ring
Demodulation Aluminum Ring -
Cone Surround (4) Triple Roll -



Quick acoustic specs { LF }
Fs 56 Hz
Re [LF] 5.3 Ohm
Re [HF] 5.5 Ohm
Qes 0.38
Qms 11.3
Qts 0.37
Vas 61.1 dm^3 (2.16 ft^3)
Sd 539 cm^2 (83.55 in^2)
Xmax (5) 7.37 mm
Xdamage (6) 17.4 mm
Mms 53.6 g
Bl 16 N/A
Le 0.45 mH
Mmd 39.5 g
Cms 0.15 mm/N
Rms 1.7 kg/s
Eta Zero 2.67 %
EBP 147 Hz



Note:
(1) 2 Hours Test According to AES 2-1984 Rev. 2003
(2) HF Sensitivity averaged within the frequency range
(3) 12 dB/oct or higher slope high-pass filter
(4) Treated Polycotton
(5) Xmax= [(winding depth - magnetic gap depth)/2] + (magnetic gap depth/3)
(6) Maximum excursion before permanent damage

Quick mechanical specs
Nom. Diameter 300 mm (12 in)
Overall Diameter 316 mm (12.44 in)
Bolt Circle Diameter 298.5 mm (11.75 in)
Baffle Cutout Diameter 280 mm (11.02 in)
Depth 162 mm (6.38 in)
Flange and Gasket Thickness 12 mm (0.47 in)
Net Weight 4.2 kg (9.3 lb)
Shipping Box
(Single Carton Box)		 350 x 346 x 216 mm
(13.8 x 13.6 x 8.5 in)
Shipping Weight 5 kg (11.0 lb)