BMS 15S420
8Ω
Subwoofer
| Nominal diameter | 15″ / 388 mm |
| Resonance | 39.8 Hz |
| Q factor | 0.25 |
| Sensitivity | 96.7 dB |
| Linear excursion | ± 5 mm |
| Program Power | 1800 W |
Discontinued
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 96.7dB
- Frequency response 40 - 2500Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 39.8Hz
- Mechanical quality factor QMS 4.96
- Electrical quality factor QES 0.26
- Total quality factor QTS 0.25
Large signal parameters
- Maximum linear excursion xmax 5mm
- Air volume displaced at xmax VD 440cm³
- Power handling P 900W
- Program power Pmax 1800W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.9Ω
- Inductance (1kHz) LE 1.54mH
- VC Diameter 101.6mm
- Winding height HVC 20mm
- Winding material Copper
Magnet
- Force factor Bl 25.5N/A
- Motor constant Bl/√RE 10.5N/√W
- Air gap height HAG 10mm
Diaphragm
- Effective diameter 335mm
- Effective area SD 880cm²
- Moving mass MMS 114g
- Moving mass (without air load) MMD 96g
Suspensions
- Stiffness KMS 7.14N/mm
- Compliance CMS 140µm/N
- Equivalent volume to the compliance VAS 152L
- Mechanical resistance RMS 5.75N·s/m
Dimensions
- Nominal diameter 15″
- 388mm
- Overall diameter 388mm
- Baffle cutout diameter 358mm
- Overall depth 182mm
- Volume occupied by the driver (estimated) 5.2L
- Net weight 10.7kg
- Frame material Cast Aluminum
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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