Beyma SM-115N
8Ω
Woofer
| Nominal diameter | 15″ / 380 mm |
| Resonance | 35 Hz |
| Q factor | 0.38 |
| Sensitivity | 95.5 dB |
| Linear excursion | ± 7.3 mm |
| Program Power | 800 W |
Discontinued
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 95.5dB
- Frequency response 35 - 3000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 35Hz
- Mechanical quality factor QMS 8.50
- Electrical quality factor QES 0.40
- Total quality factor QTS 0.38
Large signal parameters
- Maximum linear excursion xmax 7.3mm
- Maximum excursion before damage xlim 15mm
- Air volume displaced at xmax VD 638cm³
- Power handling P 400W
- Program power Pmax 800W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 6.4Ω
- Inductance (1kHz) LE 1.2mH
- VC Diameter 77mm
- Winding height HVC 17.5mm
Magnet
- Force factor Bl 17.4N/A
- Motor constant Bl/√RE 6.88N/√W
- Air gap height HAG 7mm
- Material Ferrite
Diaphragm
- Effective diameter 335mm
- Effective area SD 880cm²
- Moving mass MMS 86g
- Moving mass (without air load) MMD 68.4g
Suspensions
- Stiffness KMS 4.12N/mm
- Compliance CMS 243µm/N
- Equivalent volume to the compliance VAS 267L
- Mechanical resistance RMS 2.2N·s/m
Dimensions
- Nominal diameter 15″
- 380mm
- Volume occupied by the driver (estimated) 2.9L
- Net weight 6.5kg
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
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Hornresp
QSpeakers
SpeakerSim
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