Nominal Specifications
| Nominal Diameter |
250 mm (10 in) |
| Overall Diameter |
261 mm (10.28 in) |
| Bolt Circle Diameter |
246 mm (9.69 in) |
| Baffle Cutout Diameter |
230 mm (9.06 in) |
| Depth |
116.5 mm (4.59 in) |
| Flange and Gasket Thickness |
17.1 mm (0.67 in) |
| Net Weight |
4.2 kg (9.3 lb) |
Shipping Box
(Single Carton Box) |
282 x 280 x 140 mm
(11.0 x 11.0 x 5.5 in) |
| Shipping Weight |
4.8 kg (10.6 lb) |
Technical Parameters
| Nominal Impedance |
4 Ohm |
| Minimum Impedance |
3.8 Ohm |
| AES Power Handling (1) |
300 W |
| Maximum Power Handling (2) |
600 W |
| Sensitivity (1W/1m) |
91 dB |
| Frequency Range |
40÷2500 Hz |
| Voice Coil Diameter |
65 mm (2.56 in) |
| Winding Material |
Al |
| Former Material |
Glass Fiber |
| Winding Depth |
17 mm (0.67 in) |
| Magnetic Gap Depth |
8 mm (0.31 in) |
| Flux Density |
1.2 T |
| Magnet |
Ferrite Ring |
| Basket Material |
Aluminum |
| Demodulation |
No |
| Cone Surround (3) |
Half Roll |
| NET Air Volume filled by Loudspeaker |
1.4 dm^3 (0.049 ft^3) |
| Spider Profile |
1x variable height waves |
|
Thiele and small parameters
| Fs |
40 Hz |
| Re |
3.2 Ohm |
| Qes |
0.33 |
| Qms |
6.2 |
| Qts |
0.31 |
| Vas |
40.6 dm^3 (1.43 ft^3) |
| Sd |
344 cm^2 (53.32 in^2) |
| Xmax (4) |
7.17 mm |
| Xdamage (5) |
18.15 mm |
| Mms |
64.5 g |
| Bl |
12.5 N/A |
| Le |
0.45 mH |
| Mmd |
57.3 g |
| Cms |
0.25 mm/N |
| Rms |
2.6 kg/s |
| Eta Zero |
0.76 % |
| EBP |
121 Hz |
PART NUMBER (P/N)
| Push Terminals - 4 Ohm Version |
02504281 |
Notes:
| (1) 2 Hours Test According to AES 2-1984 Rev. 2003 |
| (2) Maximum power is defined as 3dB greater than nominal power. |
| (3) NBR (Rubber) |
| (4) Xmax= [(winding depth - magnetic gap depth)/2] + (magnetic gap depth/3) |
| (5) Maximum excursion before permanent damage |
|
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