- NDH 15-4 WOOFER
Key Features
1600 Watt Max Power
100 mm (4 in) voice coil, aluminium wire
Double spider for improved control and linearity
Neodymium magnet assembly
Weather protected membrane for
outdoor use
Air gap height = mm 10 Winding height = mm 21
 General Specifications
|
| Nominal Diameter | 15 in - 380 mm | |
|---|---|---|
| Nominal Impendance | 8 Ohm | |
| Nominal Rdc | 6 Ohm | |
| Power handling (AES) (*) | 800 Watt | |
| Max Power | 1600 Watt | |
| Frequency Range | 40-2000 Hz | |
| Voice Coil Diameter | 4 in - 100 mm | |
| S.P.L. (1w, 1m) | 99,0 dB | |
| Nominal Fs | 49 Hz | |
| Flux Density | 1,4 T | |
| Sinusoidal Test Voltage | 18 V |
| Life Test (*) | ||
| Box Volume | 80 liters | |
|---|---|---|
| Input Signal | Pink noise | |
| Band Pass Filter | 20-2000Hz,12dB/oc | |
| V on Speaker | 80 V | |
| Test duration | 2 hours | |
Diagram
| Frequency Response | Reflex Box (90 dmc) - 2,83 V - 1 m | |
|---|---|---|
| Impendance | (lac=10m A) |
Mechanical & Shipping Informations
| Net weight | 6 kg | |
|---|---|---|
| Overall Diameter | 388 mm | |
| Overall Depth | 175 mm | |
| Baffle Cut Diameter | 354 mm | |
| Mounting holes number | 8 | |
| Mounting holes diameter | 7 mm | |
| Mounting bolt diameter | 370 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 | 620 g |
Thiele-small parameters
| Qms | 11,81 | |
|---|---|---|
| Qes | 0,31 | |
| Qts | 0,31 | |
| Fs | 48,60 Hz | |
| Re | 6,06 Ohm | |
| Mms | 107,00 g | |
| Cms | 0,19 mm/N | |
| Bl | 25,09 T*m | |
| Sd | 830,00 cm2 | |
| Vas | 96,87 liter | |
| u0 | 3,41 % | |
| XMax | 8 mm | |
| Le | 0,71 mH | |
| Rms | 2,77 Kg/s | |
| Efficiency Bandwidth | 154,52 |
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