Celestion NTR15-3018E
8Ω
Low frequency
| Nominal diameter | 15″ / 381 mm |
| Resonance | 34.9 Hz |
| Q factor | 0.28 |
| Sensitivity | 95.8 dB |
| Linear excursion | ± 5 mm |
| Program Power | 900 W |
Discontinued
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 95.8dB
- Frequency response 30 - 3000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 34.9Hz
- Mechanical quality factor QMS 4.86
- Electrical quality factor QES 0.30
- Total quality factor QTS 0.28
Large signal parameters
- Maximum linear excursion xmax 5mm
- Air volume displaced at xmax VD 428cm³
- Power handling P 450W
- Program power Pmax 900W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.9Ω
- Inductance (1kHz) LE 1.18mH
- VC Diameter 75mm
- Winding height HVC 20mm
- Winding material Edgewound copper
- Former material Glass fibre
Magnet
- Force factor Bl 21.1N/A
- Motor constant Bl/√RE 8.71N/√W
- Air gap height HAG 10mm
- Material Neodymium
Diaphragm
- Effective diameter 330mm
- Effective area SD 855cm²
- Moving mass MMS 104g
- Moving mass (without air load) MMD 86.8g
- Material Glass loaded paper (weather-resistant)
Suspensions
- Stiffness KMS 5N/mm
- Compliance CMS 200µm/N
- Equivalent volume to the compliance VAS 207L
- Mechanical resistance RMS 4.69N·s/m
- Surround material Cloth-sealed
Dimensions
- Nominal diameter 15″
- 381mm
- Overall diameter 386mm
- Baffle cutout diameter 351mm
- Overall depth 162mm
- Volume occupied by the driver (estimated) 2.5L
- Net weight 4.0kg
- Frame material Cast aluminium
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Export this driver to a simulation software:
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