Nominal Specifications
| Nominal Diameter |
535 mm (21 in) |
| Overall Diameter |
547 mm (21.54 in) |
| Bolt Circle Diameter |
527 mm (20.75 in) |
| Baffle Cutout Diameter |
508 mm (20.00 in) |
| Depth |
279.5 mm (11.00 in) |
| Flange and Gasket Thickness |
16 mm (0.63 in) |
| Net Weight |
21.5 kg (47.4 lb) |
Shipping Box
(Single Carton Box) |
580 x 580 x 323 mm
(22.8 x 22.8 x 12.7 in) |
| Shipping Weight |
23.5 kg (51.8 lb) |
Technical Parameters
| Nominal Impedance |
4 Ohm |
| Minimum Impedance |
3.7 Ohm |
| AES Power Handling (1) |
3000 W |
| Maximum Power Handling (2) |
6000 W |
| Sensitivity (1W/1m) |
98 dB |
| Frequency Range |
30÷1000 Hz |
| Voice Coil Diameter |
165 mm (6.5 in) |
| Winding Material |
Al |
| Former Material |
Glass Fiber |
| Winding Depth |
40 mm (1.57 in) |
| Magnetic Gap Depth |
14 mm (0.55 in) |
| Flux Density |
1.35 T |
| Magnet |
Neodymium Ring |
| Basket Material |
Aluminum |
| Demodulation |
Aluminum Ring |
| Cone Surround (3) |
Triple Roll |
| NET Air Volume filled by Loudspeaker |
13.0 dm^3 (0.459 ft^3) |
| Spider Profile |
2x non-adjacent constant height waves |
|
Thiele and small parameters
| Fs |
32 Hz |
| Re |
3 Ohm |
| Qes |
0.22 |
| Qms |
17.0 |
| Qts |
0.22 |
| Vas |
223.5 dm^3 (7.89 ft^3) |
| Sd |
1744 cm^2 (270.32 in^2) |
| Xmax (4) |
17.67 mm |
| Xdamage (5) |
40 mm |
| Mms |
470.0 g |
| Bl |
35.5 N/A |
| Le |
0.7 mH |
| Mmd |
387.7 g |
| Cms |
0.05 mm/N |
| Rms |
5.6 kg/s |
| Eta Zero |
3.2 % |
| EBP |
142 Hz |
PART NUMBER (P/N)
| Push Terminals - 4 Ohm Version |
05404451 |
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 |
|
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