Beyma 18P1000Fe V2/S - 18" 1000W 4 Ohm
 
High power handling: 2.400 W program power
4" copper voice coil
High sensitivity: 98 dB (1W / 1m)
FEA optimized magnetic circuit
Low power compression losses
Weatherproof cone with treatment for both sides of the cone
CONEX spider
High excursion capabilities: Xmax ± 8 mm
Low frequency extension and high control
Technical specifications:
 
Nominal diameter - 460 mm. 18 in.
Rated impedance - 8 ohms
Minimum impedance - 5.5 ohms
Power capacity* - 1200 w AES
Program power - 2400 w
Sensitivity - 98 dB 2.83v @ 1m @ 2p
Frequency range - 30 - 2000 Hz
Voice coil diameter - 101.6 mm. 4 in.
BL factor - 26.8
Moving mass - 0.221 kg.
Voice coil length - 21 mm
Air gap height - 12 mm
X damage (peak to peak) - 52 mm

 
Thiele-Small parameters**
 
Resonant frequency, fs - 33 Hz
D.C. Voice coil resistance, Re - 5.2 ohms
Mechanical Quality Factor, Qms - 10.5
Electrical Quality Factor, Qes - 0.33
Total Quality Factor, Qts - 0.32
Equivalent Air Volume to Cms, Vas - 230 l
Mechanical Compliance, Cms - 0.105 mm / N
Mechanical Resistance, Rms - 4.4 kg / s
Efficiency, ho (%) - 2.4
Effective Surface Area, Sd (m2) - 0.1250 m2
Maximum Displacement, Xmax*** - 8 mm
Displacement Volume, Vd - 1000 cm3
Voice Coil Inductance, Le @ 1 kHz - 1.75 mH
 
Mounting Information
 
Overall diameter - 462 mm. 18.2 in.
Bolt circle diameter - 438 mm. 17.3 in.
Baffle cutout diameter: -
- Front mount - 415 mm. 16.3 in.
Depth - 215 mm. 8.4 in.
Net weight - 13.8 kg. 30.4 lb.
Shipping weight - 15.3 kg. 33.7 lb.