SB Acoustics SB36WBAC21-4
4Ω
8ΩFull-range
| Nominal diameter | 1″ / 25 mm |
| Resonance | 200 Hz |
| Q factor | 0.41 |
| Sensitivity | 73 dB |
| Linear excursion | ± 1.8 mm |
| Program Power | 10 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 73dB
Thiele & Small parameters
- Resonance frequency (free air) fS 200Hz
- Mechanical quality factor QMS 0.68
- Electrical quality factor QES 1.05
- Total quality factor QTS 0.41
Large signal parameters
- Maximum linear excursion xmax 1.8mm
- Air volume displaced at xmax VD 0.7cm³
- Power handling P 5W
- Program power Pmax 10W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.4Ω
- Inductance (1kHz) LE 0.12mH
- VC Diameter 20.4mm
- Winding height HVC 5.5mm
Magnet
- Flux density B 0.85T
- Force factor Bl 1.76N/A
- Motor constant Bl/√RE 0.95N/√W
- Air gap height HAG 2mm
- Weight 0.01kg
- Material Neodymium
Diaphragm
- Effective diameter 23mm
- Effective area SD 4.2cm²
- Moving mass MMS 0.76g
- Moving mass (without air load) MMD 0.8g
- Material Aluminium
Suspensions
- Stiffness KMS 1.21N/mm
- Compliance CMS 830µm/N
- Equivalent volume to the compliance VAS 0.021L
- Mechanical resistance RMS 1.4N·s/m
Dimensions
- Nominal diameter 1″
- 25mm
- Net weight 0.055kg
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