4544

1" High Frequency Compression Driver

Unique Patented Design
113 dB Sensitivity 1 W / 1 m
1.3 kHz Crossover
Extended high frequency response up to 20 kHz
Small Size and low Weight
44.4 mm Sandwich in- and outside the Voice Coil
8 or 16 Ohm

BMS 4544 is a powerful 1″ professional compression driver that delivers excellent sonic quality in a small package. The BMS exclusive voice coil technology employs light weigh Cooper Clad Aluminium wire wound inside and outside of the Kapton ™ former to improve the heat dissipation.

This technology dramatically increase the acoustic output and reliability of the drive and minimizes the power compression. The BMS 4544 – 1″ compression driver is designed wide variety of applications in high quality professional reinforcement systems and stage monitors.

Specification

4544 Specification

Throat diameter:	1″ (25.4 mm)
Nominal impendance:	8 or 16 Ohm
Power capacity (AES):	80 W
Peak Power:	400 W

Sensitivity
CD Horn 90° x 75°, 1 W / 1 m:	113 dB
Plane Wave Tube, 1 mW:	117 dB
Maximal SPL (cont.):	132 dB at 80 W
Frequency Range:	500 – 20000 Hz
Recommended Crossover:	1300 Hz
Voice Coil Diameter:	1.75″ (44.4 mm)
Magnet Material:	Ferrite
Flux Density (Tesla):	1.85
Voice Coil Material:	Copper Clad Aluminum
Voice Coil Former:	Kapton TM
Diaphragm Material:	Polyester