Eighteen Sound 10NMB420 16Ω
8Ω
16Ω
Woofer
Nominal diameter | 10″ / 260 mm |
Resonance | 65 Hz |
Q factor | 0.33 |
Sensitivity | 96.7 dB |
Linear excursion | ± 4 mm |
Program Power | 500 W |
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- Sensitivity (1W, 1m, infinite baffle) SPL1W 96.7dB
- Frequency response 65 - 5000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 65Hz
- Mechanical quality factor QMS 4.60
- Electrical quality factor QES 0.36
- Total quality factor QTS 0.33
Large signal parameters
- Maximum linear excursion xmax 4mm
- Air volume displaced at xmax VD 138cm³
- Power handling P 350W
- Program power Pmax 500W
Voice Coil
- Nominal impedance Z 16Ω
- DC resistance RE 10.5Ω
- Inductance (1kHz) LE 0.4mH
- VC Diameter 65mm
- Winding material Aluminum
Magnet
- Force factor Bl 19.5N/A
- Motor constant Bl/√RE 6.02N/√W
- Material Neodymium
Diaphragm
- Effective diameter 210mm
- Effective area SD 346cm²
- Moving mass MMS 31.5g
- Moving mass (without air load) MMD 26.8g
- Material Weather protected
Suspensions
- Stiffness KMS 5.26N/mm
- Compliance CMS 190µm/N
- Equivalent volume to the compliance VAS 30L
- Mechanical resistance RMS 2.8N·s/m
Dimensions
- Nominal diameter 10″
- 260mm
- Overall diameter 260mm
- Baffle cutout diameter 232mm
- Overall depth 122mm
- Flange thickness 11mm
- Mounting depth 111mm
- Volume occupied by the driver (estimated) 1.4L
- Net weight 3.0kg
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