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BMS 4554 is a powerful 1.4" professional compression driver that delivers outstanding sonic quality in a small package. The BMS exclusive voice coil technology employs a lightweight Copper Clad Aluminium wire wound inside and outside of the Kapton™ former to improve the heat dissipation, dramatically increasing the acoustic output and reliability of the driver while minimising the power compression.
The BMS 4554 - 1.4" compression driver is designed for a wide variety of applications including budget projects requiring 1.4" driver of high sonic quality. The 4554 offers all the benefits of the patented BMS compression driver in a 1.4" format, but at much reduced cost.
Features
- 4" Driver for budget Projects
- Unique Patented Design
- 113 dB sensitivity 1 W / 1 m
- 1 kHz Crossover
- Extended high frequency response up to 20 kHz
- Small Size and low Weight
- 4 mm Sandwich in- and outside Voice Coil
Specifications
- Throat diameter: 1.4" (36 mm)
- Nominal impedance: 8 Ohm
- Power capacity (AES): 80 W
- Peak Power: 450 W
- Sensitivity
- CD Horn 90° x 75°, 1 W / 1 m: 113 dB
- Efficiency: 25% (1000 - 3500 Hz)
- Maximal SPL (cont.): 132 dB
- Frequency Range: 500 - 22000 Hz
- Recommended Crossover: 1000 Hz
- Voice Coil Diameter: 1.75" (44.4 mm)
- Magnet Material: Ferrite
- Flux Density (Tesla): 2
- Voice Coil Material: Copper Clad Aluminium
- Voice Coil Former: Kapton TM
- Diaphragm Material: Polyester
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