BMS 4591 2" Middle range Compression Driver,
3,5 " VC,
150 W AES,
118 dB
16 Ohm

Features:
• 2" Middle Range Driver
• Unique patented Design
• 118 dB sensitivity 1 W / 1 m
• 300 Hz Crossover
• 90 mm Voice Coil
• 16 Ohm

The BMS exclusive voice coil technology employs a light weight Copper Clad Aluminium wire wound inside and outsde of the Kapton™ former to improve the heat dissipation, dramtically increasing the acoustic output and reliability of the driver while minimising the power compression.

Specifications:
•Throat diameter: 2" (50.8 mm)
•Nominal impendance: 16 Ohm
•Power capacity (AES): 150 W AES above 400 Hz
•Peak Power: 1000 W peak above 500 Hz
•max. SPL (cont.): 136 dB at 150 W
•Sensitivity 1 W / 1 m: 118 dB
•Frequency Range: 200 - 9000 Hz
•Recommended Crossover: 300 Hz
•min. impedance modulus: 8.3
•Voice Coil Diameter: 3.5" (90 mm)
•Magnet Material: Ferrite
•Flux Density (Tesla): 1.95
•Efficiency: 35 % (300 - 5000 Hz)
•Voice Coil Material: Copper Clad Aluminum
•Voice Coil Former: Kapton TM
•Diaphragm Material: Polyester

Mounting Information:
•Overall Diameter: mm 182 (+/- 3 mm)
•Depth: mm 90
•Net Weight: kg 6
•4 x M6 Holes 90° on 101.6 mm 4" Diameter