- NDK 15-3 WOOFER
Key Features
1200 Watt Max power
75 mm (3 in) voice coil, aluminium wire
Demodulating ring for lower distortion
Weather protected membrane for outdoor use
Ventilated magnet circuit for improved heat dissipation
Neodymium magnet assembly
Air gap height = mm 10 Winding height= mm 18
 General Specifications
|
| Nominal Diameter | 15 in - 380 mm | |
|---|---|---|
| Nominal Impendance | 8 Ohm | |
| Nominal Rdc | 6 Ohm | |
| Power handling (AES) (*) | 600 Watt | |
| Max Power | 1200 Watt | |
| Minimum Impedance | 7.02 Ohm | |
| Frequency Range | 40 ÷ 3000 Hz | |
| Voice Coil Diameter | 3 in - 75 mm | |
| S.P.L. (1w, 1m) | 99 dB | |
| Nominal Fs | 45 Hz | |
| Flux Density | 1.45 T | |
| Sinusoidal Test Voltage | 15 V |
| Life Test (*) | ||
| Box Volume | 90 liter | |
|---|---|---|
| Input Signal | Pink noise | |
| Band Pass Filter | 35 - 2000Hz, 12 dB/oct | |
| Test duration | 2 hours | |
Diagram
| Frequency Response | Reflex Box (80 liters) - 2.83 V -1 m | |
|---|---|---|
| Impendance | (Iac=10m A) |
Mechanical & Shipping Informations
| Net weight | 5.5 Kg | |
|---|---|---|
| Overall Diameter | 388 mm | |
| Overall Depth | 175 mm | |
| Baffle Cut Diameter | 354 mm | |
| Mounting holes number | 8 | |
| Mounting holes diameter | 6.5 mm | |
| Mounting bolt diameter | 368 mm |
Materials
| Frame Material | Aluminium | |
|---|---|---|
| Voice Coil Former Material | Fiberglass | |
| Voice Coil Wire | Aluminium | |
| Cone Material | Doped Paper | |
| Cone Shape | Exponential | |
| Surround Material | Doped Nomex fabric | |
| Surround Shape | Three waves | |
| Suspension Material | Doped Nomex fabric | |
| Magnet Type | Neodymium | |
| Magnet Weight | 510 g |
Thiele-small parameters
| Qms | 11.95 | |
|---|---|---|
| Qes | 0.32 | |
| Qts | 0.31 | |
| Fs | 44.50 Hz | |
| Re | 5.90 Ohm | |
| Mms | 94.18 g | |
| Cms | 0.14 mm/N | |
| Bl | 22.20 T*m | |
| Sd | 855.30 cm2 | |
| Vas | 139.39 liter | |
| u0 | 3.76 % | |
| XMax | 6.5 mm | |
| Le | 0.36 mH | |
| Rms | 2.20 Kg/s | |
| Efficiency Bandwidth | 141.17 |
Download
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