RCF LF18Y402
8Ω
Subwoofer
Nominal diameter | 18″ / 457 mm |
Resonance | 30 Hz |
Q factor | 0.30 |
Sensitivity | 94.8 dB |
Linear excursion | ± 12 mm |
Program Power | 2400 W |
.jpg)
- Sensitivity (1W, 1m, infinite baffle) SPL1W 94.8dB
- Frequency response 25 - 1000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 30Hz
- Mechanical quality factor QMS 7.40
- Electrical quality factor QES 0.31
- Total quality factor QTS 0.30
Large signal parameters
- Maximum linear excursion xmax 12mm
- Maximum excursion before damage xlim 25mm
- Air volume displaced at xmax VD 1440cm³
- Power handling P 1200W
- Program power Pmax 2400W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.4Ω
- Inductance (1kHz) LE 2.5mH
- VC Diameter 102mm
- Winding height HVC 30mm
- Winding material Copper
- Former material Glass Fiber
Magnet
- Force factor Bl 26.5N/A
- Motor constant Bl/√RE 11.4N/√W
- Air gap height HAG 15mm
Diaphragm
- Effective diameter 395mm
- Effective area SD 1200cm²
- Moving mass MMS 215g
- Moving mass (without air load) MMD 186g
Suspensions
- Stiffness KMS 7.58N/mm
- Compliance CMS 132µm/N
- Equivalent volume to the compliance VAS 274L
- Mechanical resistance RMS 5.48N·s/m
- Spider material with silicon damping
Dimensions
- Nominal diameter 18″
- 457mm
- Overall diameter 465mm
- Baffle cutout diameter 424mm
- Volume occupied by the driver 6.5L
- Net weight 12.5kg
.png)
.png)
.png)
Export this driver to a simulation software:
Closed Box Simulator·





