Eighteensound 15ND830 15inch Lautsprecher Chassis 4 Ohm
ES15ND830-4
- 98 dB SPL 1W / 1m average sensitivity
- 75 mm (3 in) edgewound voice coil (ISV)
- 450 W AES power handling
- Neodymium magnet assembly
- Weather protected cone for outdoor usage
- Ideal for compact reflex subwoofer and reflex multiway systems
The 15ND830 is a high power, high output, low frequency woofer meeting the most stringent requirements in high quality professional transducers. Thanks to its versatility, the 15ND830 can be used in 2-way compact reflex enclosures and reflex / band pass subwoofers. The neodymium magnet assembly assures high flux concentration, low power compression and excellent heat exchange, since the external magnet configuration is considerably more efficient than traditional under-pole magnet topology. This results in high levels of force factor and power handling with an optimum power to weight ratio. The direct contact between the heat sink and basket, together with the magnetic structure, represents a fundamental improvement in thermal connection and heat dissipation. Hence, power handling capabilities are increased and power compression lowered. The deep profile curvilinear cone, created from a special high strength wood pulp, has been designed to achieve the best possible linearity within its frequency range. The cone surround made from a linen material is highly resistant to aging and fatigue. The in-house developed cone treatment is fully water repellent and also gives a significant degree of rigidity to the cone. The 75mm Interleaved Sandwich Voice coil (ISV) assembly is wound on a strong fiberglas former which improves force transmission and thermal power handling. A special coating applied to both the top and back plates makes the 15ND830 far more resistant to the corrosive effects of salts and oxidization.
| Nominal Diameter | 380 mm |
| Nominal Impedance | 4 Ohm |
| Minimum Impedance | 3,6 Ohm |
| Nominal Power Handling1 | 450 W |
| Continuous Power Handling2 | 700 W |
| Sensitivity3 | 98,0 dB |
| Frequency Range | 42 - 4500 Hz |
| Voice Coil Diameter | 75 mm |
| Winding Material | aluminum |
| Surround Shape | M-roll |
| Cone Shape | Curvilinear |
| Magnet Material | Neo |
| Woofer Cone Treatment | Weather protected |
| Recommended Enclosure | 110,0 dm3 |
| Recommended Tuning | 45 Hz |
| Resonance Frequency | 42 Hz |
| Re | 3,0 Ohm |
| Qes | 0,36 |
| Qms | 7,2 |
| Qts | 0,34 |
| Vas | 157,0 dm3 |
| Sd | 850,0 cm2 |
| Xmax | 6,5 mm |
| Mms | 85,0 g |
| Bl | 14,0 Txm |
| Le | 0,62 mH |
| EBP | 116 Hz |
| Overall Diameter | 387 mm |
| Bolt Circle Diameter | 370 mm |
| Baffle Cutout Diameter | 353,0 mm |
| Depth | 177 mm |
| Flange and Gasket Thickness | 11 mm |
| Net Weight | 4,1 kg |
| Shipping Weight | 5,6 kg |
| Shipping Box | 405 x 405 x 214 mm |
- Lochkreisdurchmesser
- 370 mm (14.57 in)
- Recommended Enclosure
- 110.0 dm3 (3.88 ft3)
- Empfindlichkeit
- 98.0 dB
- Cone Shape
- Curvilinear
- Magnet
- Neo
- Tuning Frequenz
- 45 Hz
- Netto Gewicht
- 4.6 kg
- Wicklung besteht aus
- aluminum
- Flange and Gasket Thickness
- 11 mm (0.43 in)
- Qms
- 7.2
- Außendurchmesser
- 387 mm (15.24 in)
- Vas
- 157.0
- Resonanz Frequenz
- 42 Hz
- Sd
- 850.0 cm2 (131.75 in2)
- Dauerbelastbarkeit
- 700 W
- Nominale Belastbarkeit
- 450 W
- Einbautiefe
- 177 mm (6.97 in)
- Nominaler Durchmesser
- 380 mm ( in)
- Mms
- 85.0 g
- Versandgewicht
- 5.6 kg (12.35 lb)
- Surround Shape
- M-roll
- Re
- 3.0 Ω
- EBP
- 116 Hz
- Nominale Impedanz
- 4 Ω
- Woofer Cone Treatment
- Weather protected
- Le
- 0.62 mH
- Frequenzbereich
- 42 - 4500 Hz
- BL
- 14.0 Txm
- Qts
- 0.34
- MInimale Impedanz
- 3.6 Ω
- Qes
- 0.36
- Versandkarton
- 405 x 405 x 214 mm (15.94x15.94x8.43 in)
- Xmax
- 6.5 mm
- Schallwandausschnitt
- 353.0 mm (13.9 in)
- Schwingspulendurchmesser
- 75 mm (3.0 in)
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