D.A.S. Audio 18S
8Ω
Low frequency
| Nominal diameter | 18″ / 457 mm |
| Resonance | 33 Hz |
| Q factor | 0.33 |
| Sensitivity | 95.9 dB |
| Linear excursion | ± 8 mm |
| Program Power | 1600 W |
Discontinued
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 95.9dB
- Frequency response 25 - 2000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 33Hz
- Mechanical quality factor QMS 6.92
- Electrical quality factor QES 0.35
- Total quality factor QTS 0.33
Large signal parameters
- Maximum linear excursion xmax 8mm
- Maximum excursion before damage xlim 15.5mm
- Air volume displaced at xmax VD 931cm³
- Power handling P 800W
- Program power Pmax 1600W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 6.3Ω
- Inductance (1kHz, estimated) LE 3.92mH
- VC Diameter 102mm
- Winding height HVC 21mm
- Winding material Copper EFW
- Former material Glass Fibre Reinforced Polymer
Magnet
- Flux density B 1.02T
- Force factor Bl 23.7N/A
- Motor constant Bl/√RE 9.44N/√W
- Air gap height HAG 10mm
- Material Ferrite
Diaphragm
- Effective diameter 385mm
- Effective area SD 1164cm²
- Moving mass MMS 150g
- Moving mass (without air load) MMD 122g
Suspensions
- Stiffness KMS 6.37N/mm
- Compliance CMS 157µm/N
- Equivalent volume to the compliance VAS 302L
- Mechanical resistance RMS 4.49N·s/m
- Surround material Polycotton
- Spider material Polycotton
Dimensions
- Nominal diameter 18″
- 457mm
- Baffle cutout diameter 415mm
- Volume occupied by the driver (estimated) 5.6L
- Net weight 12.2kg
- Frame material Injected Aluminum
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Export this driver to a simulation software:
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