- NDH 10-3 WOOFER
Key Features
800 Watt Max Power
75 mm (3 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 10 Winding height = mm 22
 General Specifications
|
| Nominal Diameter | 10 in - 250 mm | |
|---|---|---|
| Nominal Impendance | 8 Ohm | |
| Nominal Rdc | 5.4 Ohm | |
| Power handling (AES) (*) | 400 Watt | |
| Max Power | 800 Watt | |
| Minimum Impedance | 6.78 Ohm | |
| Frequency Range | 60 ÷ 5000 Hz | |
| Voice Coil Diameter | 3 in - 75 mm | |
| S.P.L. (1w, 1m) | 96 dB | |
| Nominal Fs | 65 Hz | |
| Flux Density | 1.55 T | |
| Sinusoidal Test Voltage | 15 V |
| Life Test (*) | ||
| Box Volume | 40 liters | |
|---|---|---|
| Input Signal | Pink noise | |
| Band Pass Filter | 20 - 2000Hz, 12dB/oc | |
| Test duration | 2 hours | |
Diagram
| Frequency Response | Reflex Box 40dmc - 2.83 V - 1 m | |
|---|---|---|
| Impendance | (lac=10m A) |
Mechanical & Shipping Informations
| Net weight | 4.6 kg | |
|---|---|---|
| Overall Diameter | 260 mm | |
| Overall Depth | 130 mm | |
| Baffle Cut Diameter | 230 mm | |
| Mounting holes number | 8 | |
| Mounting holes diameter | 6.5 mm | |
| Mounting bolt diameter | 245 mm |
Materials
| Frame Material | Aluminium | |
|---|---|---|
| Voice Coil Former Material | Kapton | |
| Voice Coil Wire | Aluminium | |
| Cone Material | Doped Paper | |
| Cone Shape | Exponential | |
| Surround Material | Doped Nomex ® fabric | |
| Surround Shape | Two rolls | |
| Suspension Material | Doped Nomex ® fabric | |
| Magnet Type | Neodymium | |
| Magnet Weight | 460 g |
Thiele-small parameters
| Qms | 10.60 | |
|---|---|---|
| Qes | 0.38 | |
| Qts | 0.36 | |
| Fs | 65.10 Hz | |
| Re | 5.52 Ohm | |
| Mms | 45.00 g | |
| Cms | 0.13 mm/N | |
| Bl | 16.41 T*m | |
| Sd | 346.00 cm2 | |
| Vas | 22.31 liter | |
| u0 | 1.57 % | |
| XMax | 8.5 mm | |
| Le | 0.4 mH | |
| Rms | 1.74 Kg/s | |
| Efficiency Bandwidth | 172.54 |
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