15NTF75TR Coaxials 15 inches
Notes
- 3 INCH WOOFER ALUMINIUM VOICE COIL
- 3 INCH COMPRESSION ALUMINIUM VOICE COIL
- 96.8 dB/SPL SENSITIVITY
- 800 WATT PROGRAM POWER HANDING
- FEM OPTIMIZED MOTOR AND SUSPENSIONS
- OPTIMIZED COOLING SYSTEM
- RESONANCE FREE AND HEAVY DUTY BASKET DESIGN
- 3 INCH COMPRESSION ALUMINIUM VOICE COIL
- 96.8 dB/SPL SENSITIVITY
- 800 WATT PROGRAM POWER HANDING
- FEM OPTIMIZED MOTOR AND SUSPENSIONS
- OPTIMIZED COOLING SYSTEM
- RESONANCE FREE AND HEAVY DUTY BASKET DESIGN
GENERAL SPECIFICATIONS
Nominal diameter | 389(15) mm (in.) |
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Nominal impedance | 8 Ω |
Minimum impedance | 6.2 Ω |
Program power (1) | 800 W |
AES Power rating(2) | 400 W |
Sensitivity (3) | 96.8 dB |
Frequency range | 39 ~ 3000 Hz |
Voice coil diameter | 75(3) mm (in.) |
Chassis material | Aluminium |
Magnet material | Neodymium |
Magnet dimensions (ODxIDxh) | 138 x 90 x 10 mm |
Coil material | ALR |
Former material | Glass Fiber |
Xmax(4) | 7.5 mm |
Xmech(5) | 13 mm |
Gap height | 8 mm |
Voice coil Winding height | 18 mm |
Diaphragm material | Titanium |
Program power(1) | 220 W |
AES Power rating(2) | 110 W |
Sensitivity(3) | 108 dB |
Frequency range | 500 ~ 18000 Hz |
Voice coil diameter | 72(3) mm (in.) |
Coil material | ALR |
SMALL SIGNAL PARAMETERS
DC resistance(Re) | 5 Ω |
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Resonance frequency(Fs) | 39 Hz |
Moving mass(Mms) | 71 g |
Compliance(Cms) | 0.23 mm/N |
Force factor(BL) | 14.3 N/A |
Mechanical Q-factor(Qms) | 5.3 |
Electrical Q-factor(Qes) | 0.54 |
Total Q-factor(Qts) | 0.49 |
Equivalent air volume(Vas) | 289 I |
Voice coil Inductance(Le) | 0.25 mH |
Diaphragm area(Sd) | 924 cm2 |
Reference efficiency(Eta O) | 2.9 % |
SHIPPING INFORMATION
Net weight | 5.1 Kg |
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Multipack size (1) (W x D x H) | 410 x 410 x 231 mm |
Multipack weight | 6 Kg |
OTHERS
(1)Program power is defined as 3 dB greater than AES Power.
(2) Tested for two hours using a continuous, band-limited pink noise signal as per AES 2-1984 Rev. 2003. Loudspeaker tested in free air.
(3) From T/S parameters, measured with LMS DA LPM module.
(4) The Xmax is calculated as: (Hvc - Hg)/2+ Hg/4. Hvc is the voice coil height and Hg the gap height.
(5) The Xmech is calculated as: (Hvc - Hg)/2 +(Hg-2). Hvc is the voice coil height and Hg the gap height.
(6) Thiele-Small parameters are measured after preconditioning: a) at 20°C- 22°C, 50% humidity for 2 hours; b) by LMS LSI measurement.
(2) Tested for two hours using a continuous, band-limited pink noise signal as per AES 2-1984 Rev. 2003. Loudspeaker tested in free air.
(3) From T/S parameters, measured with LMS DA LPM module.
(4) The Xmax is calculated as: (Hvc - Hg)/2+ Hg/4. Hvc is the voice coil height and Hg the gap height.
(5) The Xmech is calculated as: (Hvc - Hg)/2 +(Hg-2). Hvc is the voice coil height and Hg the gap height.
(6) Thiele-Small parameters are measured after preconditioning: a) at 20°C- 22°C, 50% humidity for 2 hours; b) by LMS LSI measurement.