18-inch Drivers
18PD125
The 18PD125 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 96 dB sensitivity and a 34 Hz–1.8 kHz response. Overall diameter 471 mm, height 180 mm, weight 19.74 kg. 5" voice coil, Fs 34 Hz - dedicated subwoofer. Continuous / program / peak power rating.
Specifications
- Nominal Diameter
- 471 mm / 18"
- Rated Impedance
- 8 ohm
- Sensitivity (1W/1m)
- 96 dB
- Frequency Range
- 34 Hz - 1.8 kHz
- Voice Coil Diameter
- 125 mm / 5"
- Net Weight
- 19.74 kg
GENERAL SPECIFICATIONS
Nominal Diameter | 471 mm / 18" |
Rated Impedance | 8 ohm |
Sensitivity (1W/1m) | 96 dB |
Frequency Range | 34 Hz - 1.8 kHz |
Voice Coil Diameter | 125 mm / 5" |
Power Rating (Cont./Prog./Peak) | 1200 / 2400 / 3600 W |
Secondary Diameter | 414 mm |
Total Height | 180 mm |
Magnet Diameter | 280 mm |
Aperture | 440 x 8 x 6 - 470 x 6 x 6 |
MOUNTING INFORMATION
Net Weight | 19.74 kg |
THIELE-SMALL PARAMETERS
Fs (Resonance Frequency) | 34 Hz |
Re (DC Resistance) | 5.0 ohm |
Qms (Mechanical Factor) | 6.16 |
Qes (Electrical Factor) | 0.29 |
Qts (Total Factor) | 0.29 |
BL Factor | 36 T.m |
Mms (Moving Mass) | 363 g |
Vas (Equivalent Air Load) | 181 liters |
Sd (Piston Area) | 1257 cm2 |
