| Nominal diameter | 15″ / 380 mm |
| Resonance | 40 Hz |
| Q factor | 0.42 |
| Sensitivity | 95.9 dB |
| Linear excursion | ± 8 mm |
| Program Power | 1200 W |
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 95.9dB
- Frequency response 50 - 4300Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 40Hz
- Mechanical quality factor QMS 7.70
- Electrical quality factor QES 0.44
- Total quality factor QTS 0.42
Large signal parameters
- Maximum linear excursion xmax 8mm
- Air volume displaced at xmax VD 680cm³
- Power handling P 600W
- Program power Pmax 1200W
Voice Coil
- Nominal impedance Z 16Ω
- DC resistance RE 10.3Ω
- Inductance (1kHz) LE 1.27mH
- VC Diameter 75mm
Magnet
- Force factor Bl 23.5N/A
- Motor constant Bl/√RE 7.34N/√W
- Material Ferrite
Diaphragm
- Effective diameter 329mm
- Effective area SD 850cm²
- Moving mass MMS 94g
- Moving mass (without air load) MMD 76.5g
- Material Weather protected
Suspensions
- Stiffness KMS 5.95N/mm
- Compliance CMS 168µm/N
- Equivalent volume to the compliance VAS 182L
- Mechanical resistance RMS 3.07N·s/m
Dimensions
- Nominal diameter 15″
- 380mm
- Overall diameter 393mm
- Baffle cutout diameter 354mm
- Overall depth 184mm
- Flange thickness 13mm
- Mounting depth 171mm
- Volume occupied by the driver (estimated) 4.3L
- Net weight 7.9kg
Similar subwoofers to Eighteen Sound 15W750 16Ω
P.Audio 18NT-100XB8 Ω |
|---|
| 18″ Low frequency |
| fS | 40 Hz |
| SD | 1225 cm² |
| 35 - 1000 Hz |
| QTS | 0.41 |
| xmax | 7 mm |
| SPL1W | 95.4 dB |
| Bl/√RE | 10.9 |
| Pmax | 2000 W |
Celestion FTR15-3070C8 Ω |
|---|
| 15″ Low frequency |
| fS | 41.4 Hz |
| SD | 855 cm² |
| 40 - 4000 Hz |
| QTS | 0.38 |
| xmax | 5.5 mm |
| SPL1W | 97.4 dB |
| Bl/√RE | 7.03 |
| Pmax | 800 W |
Beyma 15CXA400Nd8 Ω |
|---|
| 15″ Coaxial |
| fS | 40 Hz |
| SD | 880 cm² |
| 40 - 20000 Hz |
| QTS | 0.36 |
| xmax | 6 mm |
| SPL1W | 96.9 dB |
| Bl/√RE | 7.4 |
| Pmax | 800 W |