REDCATT 181NPW
4Ω
Woofer
| Nominal diameter | 18″ / 468 mm |
| Resonance | 28 Hz |
| Q factor | 0.25 |
| Sensitivity | 93.4 dB |
| Linear excursion | ± 15.2 mm |
| Program Power | 3000 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 93.4dB
Thiele & Small parameters
- Resonance frequency (free air) fS 28Hz
- Mechanical quality factor QMS 15.80
- Electrical quality factor QES 0.25
- Total quality factor QTS 0.25
Large signal parameters
- Maximum linear excursion (one way) xmax 15.2mm
- Air volume displaced at xmax VD 1863cm³
- Power handling P 1500W
- Program power Pmax 3000W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.2Ω
- Inductance (1kHz) LE 1.76mH
- VC Diameter 134.6mm
- Winding height HVC 32.8mm
- Winding material Copper
- Former material kapton
Magnet
- Force factor Bl 29.7N/A
- Motor constant Bl/√RE 16.6N/√W
- Air gap height HAG 15mm
- Material Neodymium
Diaphragm
- Effective diameter 395mm
- Effective area SD 1225cm²
- Moving mass MMS 391g
- Moving mass (without air load) MMD 361g
- Material Paper
Suspensions
- Stiffness KMS 12.2N/mm
- Compliance CMS 82µm/N
- Equivalent volume to the compliance VAS 168L
- Mechanical resistance RMS 4.36N·s/m
- Surround material Fabric
- Spider material Nomex
Dimensions
- Nominal diameter 18″
- 468mm
- Overall diameter 468mm
- Baffle cutout diameter 426mm
- Mounting depth 210mm
- Volume occupied by the driver (estimated) 6.4L
- Net weight 13.9kg
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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