Nominal Specifications
| Nominal Diameter |
460 mm (18 in) |
| Overall Diameter |
460 mm (18.11 in) |
| Bolt Circle Diameter |
440 mm (17.32 in) |
| Baffle Cutout Diameter |
424 mm (16.69 in) |
| Depth |
202 mm (7.95 in) |
| Flange and Gasket Thickness |
13.9 mm (0.55 in) |
| Net Weight |
6.5 kg (14.2 lb) |
Shipping Box
(Single Carton Box) |
503 x 500 x 258 mm
(19.8 x 19.7 x 10.2 in) |
| Shipping Weight |
7.8 kg (17.2 lb) |
Technical Parameters
| Nominal Impedance |
8 Ohm |
| Minimum Impedance |
6.6 Ohm |
| AES Power Handling (1) |
1000 W |
| Maximum Power Handling (2) |
2000 W |
| Sensitivity (1W/1m) |
99 dB |
| Frequency Range |
38÷2500 Hz |
| Voice Coil Diameter |
100 mm (4 in) |
| Winding Material |
Al |
| Former Material |
Glass Fiber |
| Winding Depth |
22 mm (0.87 in) |
| Magnetic Gap Depth |
12 mm (0.47 in) |
| Flux Density |
1.3 T |
| Magnet |
Neodymium Slug |
| Basket Material |
Aluminum |
| Demodulation |
No |
| Cone Surround (3) |
Triple Roll |
| NET Air Volume filled by Loudspeaker |
6.2 dm^3 (0.219 ft^3) |
| Spider Profile |
2x non-adjacent symmetrical constant height waves |
|
Thiele and small parameters
| Fs |
38 Hz |
| Re |
5.5 Ohm |
| Qes |
0.35 |
| Qms |
8.75 |
| Qts |
0.34 |
| Vas |
196.3 dm^3 (6.93 ft^3) |
| Sd |
1134 cm^2 (175.77 in^2) |
| Xmax (4) |
9.00 mm |
| Xdamage (5) |
17.5 mm |
| Mms |
163.0 g |
| Bl |
24.5 N/A |
| Le |
1.36 mH |
| Mmd |
141.0 g |
| Cms |
0.11 mm/N |
| Rms |
4.44 kg/s |
| Eta Zero |
2.94 % |
| EBP |
109 Hz |
Notes:
| PATENTED IT 2006/000327 |
| (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 |
|
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