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PA Speakers
of the CELESTION NTR series with neodymium drives represent where we are today with PA speaker technology. Developed with the aid of analysis methods and state-of-the-art computer simulation, these speakers provide an excellent radiation with lowest harmonic distortions at a very low weight.
PA bass speaker, 450 W, 8 Ω
- 38 cm (15") speaker with high-performance neodymium drive system
- Deformation-resistant, kevlar-reinforced and low-resonance paper cone
- 75 mm (3") heat-resistant voice coil
- Especially developed thermal management of the drive system for preventing thermal compression and overheating
- Multi-roll rubber surround for an excellent linearity and progressive control in case of excessive cone excursion
- Very low harmonic distortion (THD)
- Diecast aluminium basket and a low weight of 4 kg only
Impedance (Z): 8 Ω
Frequency range: f3-3,000 Hz
Resonant frequency (fs): 34 Hz
Power rating (RMS): 450 W
Peak music power output (MAX): 900 W
Sensitivity: 98 dB/W/m
Suspension compl. (Cms): 0.218 mm/N
Moving mass (Mms): 97.2 g
Mech. Q factor (Qms): 3.85
Electr. Q factor (Qes): 0.262
Total Q factor (Qts): 0.25
Equivalent volume (Vas): 226 l
DC resistance (Re): 5.58 Ω
Force factor (BxL): 21.24 Tm
Voice coil induct. (Le): 1.2 mH
Voice coil diameter: Ø 75 mm
Voice coil former: glass fibre
Linear excursion (XMAX): ± 5.0 mm
Eff. cone area (Sd): 860 cm2
Mounting cutout: Ø 351 mm
Mounting depth: 150 mm
Mounting hole diameter: Ø 367-373 mm
Dimensions: Ø 386 mm x 162 mm
Outside diameter: Ø 386 mm
Width: Ø 386 mm
Depth: 162 mm
Admiss. ambient temp.: 0-40 °C
Weight: 3.98 kg
Packing unit: 1
Type of speaker: 15"
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