Nominal Specifications
| Nominal Diameter |
250 mm (10 in) |
| Overall Diameter |
260 mm (10.24 in) |
| Bolt Circle Diameter |
246 mm (9.69 in) |
| Baffle Cutout Diameter |
233 mm (9.17 in) |
| Depth |
110 mm (4.33 in) |
| Flange and Gasket Thickness |
7 mm (0.28 in) |
| Net Weight |
3.2 kg (7.1 lb) |
Shipping Box
(Single Carton Box) |
282 x 280 x 155 mm
(11.1 x 11.0 x 6.10 in) |
| Shipping Weight |
3.7 kg (8.2 lb) |
Technical Parameters
| Nominal Impedance |
4 Ohm |
| Minimum Impedance |
3.5 Ohm |
| AES Power Handling (1) |
250 W |
| Maximum Power Handling (2) |
500 W |
| Sensitivity (1W/1m) |
94 dB |
| Frequency Range |
50÷4000 Hz |
| Voice Coil Diameter |
52 mm (2.05 in) |
| Winding Material |
Al |
| Former Material |
Glass Fiber |
| Winding Depth |
13.6 mm (0.54 in) |
| Magnetic Gap Depth |
8 mm (0.31 in) |
| Flux Density |
1.1 T |
| Magnet |
Ferrite Ring |
| Basket Material |
Steel |
| Demodulation |
No |
| Cone Surround (3) |
Triple Roll |
| NET Air Volume filled by Loudspeaker |
1.25 dm^3 (0.044 ft^3) |
| Spider Profile |
1x variable height waves |
|
Thiele and small parameters
| Fs |
50 Hz |
| Re |
3.3 Ohm |
| Qes |
0.41 |
| Qms |
10.8 |
| Qts |
0.39 |
| Vas |
49.0 dm^3 (1.73 ft^3) |
| Sd |
358 cm^2 (55.49 in^2) |
| Xmax (4) |
5.47 mm |
| Xdamage (5) |
16.7 mm |
| Mms |
37.0 g |
| Bl |
9.7 N/A |
| Le |
0.45 mH |
| Mmd |
29.3 g |
| Cms |
0.27 mm/N |
| Rms |
1.1 kg/s |
| Eta Zero |
1.46 % |
| EBP |
123 Hz |
PART NUMBER (P/N)
| Faston Terminals - 4 Ohm Version |
02504357 |
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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