Eighteensound 15NCX750H 15inch Coaxial Lautsprecher 8 Ohm
ES15NCX750H
- 97 dB LF / 109 dB HF SPL 1W/1m average sensitivity
- Single magnet neodymium motor
- 800W LF - 240W HF maximum program power handling
- 75 mm (3”) Interleaved Sandwich LF Voice coil (ISV)
- Aluminum Demodulating Ring (SDR) for minimum LF distortion
- 60 mm (2.4”) HF pure Titanium diaphragm
- Edge-wound Aluminum ribbon HF voice coil (EWAL)
- HF copper sleeve for reduced distortion and higher output
- Smooth on/off axis 70° x 50° response
- Suitable for compact enclosures and stage monitors
The 15NCX750H is a 15" neodymium coaxial transducer designed for use in compact reflex enclosures and stage monitors as small as 40lt with a nominal dispersion of 70 X 50 degrees. The curvilinear profile LF cone provides smooth response within its intended frequency range thanks to its high damping pulp composition. The 75mm (3in) LF copper voice coil employs Interleaved Sandwich Voice coil (ISV) technology, in which a high strength former carries windings on both the outer and inner surfaces. This results in a balanced coil with a uniform distribution of mass and motive energy and an extremely linear motor assembly. The low distortion and sound quality are further improved by an aluminum demodulating ring (SDR technology) that flatten LF impedance and phase with constant power transfer. Equipped with a proprietary hybrid radial tangerine phase plug, the integrated HF compression driver has been designed to give a smooth, coherent wavefront at the horn entrance in all working frequency ranges with an high level of manufacturing consistency. The phase plug, with its short openings and high flare rate value, assures low distortion and remarkable improvements in mid-high frequency reproduction. A copper sleeve reduces inductance value above 10kHz, improving phase and impedance linearization. The 2.4" diameter HF diaphragm assembly uses a high strength, high temperature treated Nomex voice coil former joined directly to the titanium diaphragm on its upper bend edge, assuring extended frequency energy transfer. This improves linearity and shows unparalleled reliability when compared with a straight former joint. A specific HF exit profile design has been chosen in order to maximize the cone’s profile coupling. The high force neodymium single magnet structure makes the 15NCX750H a lightweight speaker for its performance class - only 5.1kg (11.25 lb). The XO15NCX dedicated passive crossover filter is provided, making this neo coaxial speaker a ready-to-use transducer system. Due to the widespread use of high power audio systems at outdoor events, the ability to perform in adverse weather conditions is an additional key feature of the 15NCX750H. This has been achieved using exclusive cone and magnet plate treatment processes which increase resistance against corrosion and make the cone water repellent.
Nominal Diameter | 380 mm |
Nominal Impedance | 8 Ohm |
Minimum Impedance LF | 6,3 Ohm |
Frequency Range | 50 - 4700 Hz |
Dispersion Angle1 | 70x50 ° |
Woofer Cone Treatment | Water repellent |
Magnet Material | Neodymium |
LF Sensitivity2 | 97,0 dB |
LF Nominal Power Handling3 | 400 W |
LF Continuous Power Handling4 | 800 W |
LF Voice Coil Diameter | 75 mm |
LF Winding Material | - Copper - |
HF Sensitivity5 | 109,0 dB |
HF Nominal Power Handling6 | 120 W |
HF Continuous Power Handling7 | 240 W |
HF Voice Coil Diameter | 60 mm |
HF Winding Material | Edge wound Aluminum |
Recommended Crossover8 | 1,2 kHz |
Resonance Frequency | 49 Hz |
Re | 5,4 Ohm |
Qes | 0,4 |
Qms | 6,32 |
Qts | 0,37 |
Vas | 141,0 dm3 |
Sd | 881,0 cm2 |
No | 4,1 % |
Xmax | 5,5 mm |
Mms | 80,6 g |
Bl | 18,5 Txm |
Le | 0,66 mH |
EBP | 122 Hz |
Overall Diameter | 393 mm |
Bolt Circle Diameter | 371 mm |
Baffle Cutout Diameter | 360 mm |
Depth | 185 mm |
Flange and Gasket Thickness | 14 mm |
Net Weight | 5,3 kg |
Shipping Weight | 6,0 kg |
Shipping Box | 405 x 405 x 260 mm |
- EBP
- 122 Hz
- Recommended Crossover
- 1.2 kHz
- Magnet
- Neodymium
- Einbautiefe
- 185 mm (7.28 in)
- Versandkarton
- 405 x 405 x 260 mm (15.94x15.94x10.24 in)
- LF Continuous Power Handling
- 800 W
- Woofer Cone Treatment
- Water repellent
- Netto Gewicht
- 5.3 kg
- LF Voice Coil Diameter
- 75 mm (2.95 in)
- Xmax
- 5.5 mm
- Vas
- 141.0
- Nominale Impedanz
- 8 Ω
- HF Nominal Power Handling
- 120 W
- Außendurchmesser
- 393 mm (15.47 in)
- Frequenzbereich
- 50 - 4700 Hz
- Qts
- 0.37
- Le
- 0.66 mH
- MInimale Impedanz Tiefton
- 6.3 Ω
- HF Voice Coil Diameter
- 60 mm (2.36 in)
- Re
- 5.4 Ω
- LF Nominal Power Handling
- 400 W
- Resonanz Frequenz
- 49 Hz
- Schallwandausschnitt
- 360 mm (14.17 in)
- Mms
- 80.6 g
- HF Sensitivity
- 109.0 dB
- Lochkreisdurchmesser
- 371 mm (14.61 in)
- Nominaler Durchmesser
- 380 mm (14.96 in)
- BL
- 18.5 Txm
- ?0
- 4.1 %
- Flange and Gasket Thickness
- 14 mm (0.55 in)
- Qes
- 0.4
- Qms
- 6.32
- LF Sensitivity
- 97.0 dB
- Versandgewicht
- 6.0 kg (13.23 lb)
- HF Continuous Power Handling
- 240 W
- Sd
- 881.0 cm2 (136.56 in2)
- LF Winding Material
- - Copper -
- Dispersion Angle
- 70x50 °
- HF Winding Material
- Edge wound Aluminum
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