18-inch Drivers
18R127
The 18R127 is an 18-inch ferrite subwoofer with a 5-inch voice coil for high-power subwoofer and bass cabinet systems. It handles 1200 W continuous (2400 W program, 3600 W peak) with 95 dB sensitivity and a 32 Hz–600 Hz response. Overall diameter 466 mm, height 200 mm, weight 23.40 kg. 5" voice coil, Fs 32 Hz - dedicated subwoofer. Continuous / program / peak power rating.
Specifications
- Nominal Diameter
- 466 mm / 18"
- Rated Impedance
- 8 ohm
- Sensitivity (1W/1m)
- 95 dB
- Frequency Range
- 32 Hz - 600 Hz
- Voice Coil Diameter
- 127 mm / 5"
- Net Weight
- 23.40 kg
GENERAL SPECIFICATIONS
Nominal Diameter | 466 mm / 18" |
Rated Impedance | 8 ohm |
Sensitivity (1W/1m) | 95 dB |
Frequency Range | 32 Hz - 600 Hz |
Voice Coil Diameter | 127 mm / 5" |
Power Rating (Cont./Prog./Peak) | 1200 / 2400 / 3600 W |
Secondary Diameter | 422 mm |
Total Height | 200 mm |
Magnet Diameter | 280 mm |
Aperture | 442 x 8 x 6 |
MOUNTING INFORMATION
Net Weight | 23.40 kg |
THIELE-SMALL PARAMETERS
Fs (Resonance Frequency) | 32 Hz |
Re (DC Resistance) | 6.0 ohm |
Qms (Mechanical Factor) | 4.93 |
Qes (Electrical Factor) | 0.62 |
Qts (Total Factor) | 0.55 |
BL Factor | 19.7 T.m |
Mms (Moving Mass) | 164 g |
Vas (Equivalent Air Load) | 217 liters |
Sd (Piston Area) | 1257 cm2 |
