P.Audio C18-1200
8Ω
Low frequency
| Nominal diameter | 18″ / 457 mm |
| Resonance | 38 Hz |
| Q factor | 0.55 |
| Sensitivity | 93.6 dB |
| Linear excursion | ± 9.5 mm |
| Program Power | 2800 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 93.6dB
- Frequency response 38 - 1000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 38Hz
- Mechanical quality factor QMS 13.00
- Electrical quality factor QES 0.57
- Total quality factor QTS 0.55
Large signal parameters
- Maximum linear excursion xmax 9.5mm
- Air volume displaced at xmax VD 1164cm³
- Power handling P 1400W
- Program power Pmax 2800W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.6Ω
- Inductance (1kHz) LE 0.99mH
- VC Diameter 114.4mm
- Winding height HVC 33mm
- Winding material Round Copper Wire
- Former material Glass Fiber
Magnet
- Flux density B 1.1T
- Force factor Bl 25.1N/A
- Motor constant Bl/√RE 10.6N/√W
- Air gap height HAG 14mm
- Material Ferrite
Diaphragm
- Effective diameter 395mm
- Effective area SD 1225cm²
- Moving mass MMS 265g
- Moving mass (without air load) MMD 214g
- Material Waterproof Paper
Suspensions
- Stiffness KMS 14.3N/mm
- Compliance CMS 70µm/N
- Equivalent volume to the compliance VAS 136L
- Mechanical resistance RMS 5.97N·s/m
- Surround material Cloth
- Spider material Double Silicone
Dimensions
- Nominal diameter 18″
- 457mm
- Overall diameter 467mm
- Baffle cutout diameter 425mm
- Overall depth 224mm
- Flange thickness 23mm
- Mounting depth 201mm
- Volume occupied by the driver (estimated) 9.3L
- Net weight 18.1kg
- Frame material Aluminium
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Export this driver to a simulation software:
Closed Box Simulator·
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