- 8.50 NdW WOOFER
Key Features
400 Watt Max Power
50mm (2 in) voice coil, aluminium wire
Interleaved sandwich voice coil
Neodymium magnet assembly
Weather protected membrane for outdoor use
Ventilated voice coil and magnet circuit
for improved heat dissipation
Air gap height = mm 8 Winding height = mm 16,5
 General Specifications
|
| Nominal Diameter | 8 in - 200 mm | |
|---|---|---|
| Nominal Impendance | 8.00 Ohm | |
| Nominal Rdc | 6 Ohm | |
| Power handling (AES) (*) | 200 Watt | |
| Max Power | 400 Watt | |
| Minimum Impedance | 7.19 Ohm | |
| Frequency Range | 70 ÷ 3000 Hz | |
| Voice Coil Diameter | 2 in - 50 mm | |
| S.P.L. (1w, 1m) | 96.5 dB | |
| Nominal Fs | 75 Hz | |
| Flux Density | 1.4 T | |
| Sinusoidal Test Voltage | 15 V |
| Life Test (*) | ||
| Box Volume | 24 liters | |
|---|---|---|
| Input Signal | Pink noise | |
| Band Pass Filter | 50 - 2000Hz, 12dB/oc | |
| Test duration | 2 hours | |
Diagram
| Frequency Response | Box 25 dmc - 2.83 V - 1 m | |
|---|---|---|
| Impendance | (lac=10m A) |
Mechanical & Shipping Informations
| Net weight | 1.41 kg | |
|---|---|---|
| Overall Diameter | 208 mm | |
| Overall Depth | 97 mm | |
| Baffle Cut Diameter | 184 mm | |
| Mounting holes number | 4 | |
| Mounting holes diameter | 5 mm | |
| Mounting bolt diameter | 194 mm |
Materials
| Frame Material | Aluminium | |
|---|---|---|
| Voice Coil Former Material | Kapton | |
| Voice Coil Wire | Aluminium | |
| Cone Material | Doped Paper | |
| Cone Shape | Straight | |
| Surround Material | Doped Nomex ® fabric | |
| Surround Shape | Two waves | |
| Suspension Material | Doped Nomex ® fabric | |
| Magnet Type | Neodymium | |
| Magnet Weight | 200 g |
Thiele-small parameters
| Qms | 4.83 | |
|---|---|---|
| Qes | 0.36 | |
| Qts | 0.34 | |
| Fs | 75.70 Hz | |
| Re | 6.07 Ohm | |
| Mms | 18.20 g | |
| Cms | 0.24 mm/N | |
| Bl | 12.08 T*m | |
| Sd | 227.00 cm2 | |
| Vas | 17.56 liter | |
| u0 | 2.04 % | |
| XMax | 6.25 mm | |
| Le | 0.46 mH | |
| Rms | 1.79 Kg/s | |
| Efficiency Bandwidth | 210.24 |
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