- NDC 15-4 S SUB-WOOFER
Key Features
2000 Watt Max Power
100 mm (4 in) voice coil, copper 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 14 Winding height = mm 30
 General Specifications
|
| Nominal Diameter | 15 in - 380 mm | |
|---|---|---|
| Nominal Impendance | 8 Ohm | |
| Nominal Rdc | 6 Ohm | |
| Power handling (AES) (*) | 1000 Watt | |
| Max Power | 2000 Watt | |
| Minimum Impedance | 7.8 Ohm | |
| Frequency Range | 30 ÷ 500 Hz | |
| Voice Coil Diameter | 4 in - 100 mm | |
| S.P.L. (1w, 1m) | 96 dB | |
| Nominal Fs | 31 Hz | |
| Flux Density | 1.2 T | |
| Sinusoidal Test Voltage | 18 V |
| Life Test (*) | ||
| Box Volume | 80 liters | |
|---|---|---|
| Input Signal | Pink noise | |
| Band Pass Filter | 20 - 2000Hz, 12dB/oc | |
| 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 | 8 kg | |
|---|---|---|
| Overall Diameter | 388 mm | |
| Overall Depth | 180 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 | Fiberglass | |
| Voice Coil Wire | Copper | |
| Cone Material | Doped Paper | |
| Cone Shape | Straight | |
| 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 | 2.59 | |
|---|---|---|
| Qes | 0.28 | |
| Qts | 0.25 | |
| Fs | 31.20 Hz | |
| Re | 5.96 Ohm | |
| Mms | 160.97 g | |
| Cms | 0.16 mm/N | |
| Bl | 26.09 T*m | |
| Sd | 830.00 cm2 | |
| Vas | 156.24 liter | |
| u0 | 1.66 % | |
| XMax | 11.5 mm | |
| Le | 1.07 mH | |
| Rms | 12.18 Kg/s | |
| Efficiency Bandwidth | 112.92 |
Download
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