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 light weight Copper Clad Aluminium wire wound inside & outside of the Kapton? former to improve the heat dissipation, dramatically increasing the acoustic output & 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. Technische Daten 1.4" Driver for budget Projects Unique Patented Design 113 d B sensitivity 1 W / 1 m 1.3 k Hz Crossover Extended high frequency response up to 20 k Hz Small Size & low Weight 44.4 mm Sandwich in- & outside Voice Coil  
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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 light weight Copper Clad Aluminium wire wound inside & outside of the Kapton? former to improve the heat dissipation, dramatically increasing the acoustic output & 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. Technische Daten 1.4" Driver for budget Projects Unique Patented Design 113 d B sensitivity 1 W / 1 m 1.3 k Hz Crossover Extended high frequency response up to 20 k Hz Small Size & low Weight 44.4 mm Sandwich in- & outside Voice Coil  
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BMS 4555 is a powerful 1.5" professional compression driver that delivers outstanding sonic quality in a small package. The BMS exclusive voice coil technology employs a light weight Copper Clad Aluminium wire wound inside & outside of the Kapton? former to improve the heat dissipation, dramatically increasing the acoustic output & reliability of the driver while minimising the power compression. The BMS 4555
- 1" compression driver is designed for a wide variety of applications including budget projects requiring 1.5" driver of high sonic quality. The 4555 offers all the benefits of the patented BMS compression driver in a 1.5" format, but at much reduced cost. Technische Daten 1.5" Driver for Budget Projects Unique patented Design 113 d B sensitivity 1 W / 1 m 1 k Hz Crossover Extended high frequency response up to 20 k Hz Very small Size & low Weight 44.4 mm Voice Coil  
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BMS 4555 is a powerful 1.5" professional compression driver that delivers outstanding sonic quality in a small package. The BMS exclusive voice coil technology employs a light weight Copper Clad Aluminium wire wound inside & outside of the Kapton? former to improve the heat dissipation, dramatically increasing the acoustic output & reliability of the driver while minimising the power compression. The BMS 4555
- 1" compression driver is designed for a wide variety of applications including budget projects requiring 1.5" driver of high sonic quality. The 4555 offers all the benefits of the patented BMS compression driver in a 1.5" format, but at much reduced cost. Technische Daten 1.5" Driver for Budget Projects Unique patented Design 113 d B sensitivity 1 W / 1 m 1 k Hz Crossover Extended high frequency response up to 20 k Hz Very small Size & low Weight 44.4 mm Voice Coil  
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In a conventional full range compression driver the phase plug must be located extremely close to the diaphragm, excursion of the diaphragm is limited & middle frequency perfomance is compromised. A typical 2" dome compression driver has a limited high frequency response. Above 8 k Hz the dome diaphragm breaks up causing resonance & harsh metallic sound. The BMS annular midrange diaphragm covers the frequency range between 400 & 7000 Hz with a smooth linear response. The large diaphragm excursion of max. +/- 0.8 mm results in high output & increases power handling up to 1300 W peak. The ultra light annular diaphragm for the high range offers exceptional transient response with very high efficiency between 6 & 22 k Hz. Technische Daten Extended bandwidth (300
- 22000 Hz) Point source sound reproduction Excellent phase coherence With two subsystems in one, each driver covers a smaller frequency range for increased power handling, high dynamics & extremely low distortion Perfect time alignment without problems of multi-source interference  
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The BMS exclusive voice coil technology employs a light weight Copper Clad Aluminium wire wound inside & outsde of the Kapton? former to improve the heat dissipation, dramtically increasing the acoustic output & reliability of the driver while minimising the power compression. Technische Daten 2" Middle Range Driver Unique patented Design 118 d B sensitivity 1 W / 1 m 300 Hz Crossover 90 mm Voice Coil   ...

The BMS exclusive voice coil technology employs a light weight Copper Clad Aluminium wire wound inside & outsde of the Kapton? former to improve the heat dissipation, dramtically increasing the acoustic output & reliability of the driver while minimising the power compression. Technische Daten 2" Middle Range Driver Unique patented Design 118 d B sensitivity 1 W / 1 m 300 Hz Crossover 90 mm Voice Coil   ...

The patented design of the BMS 4592 is a result of extensive dedicated research & development providing dramatic improvement in dynamic response, clarity & transparency. The BMS annular midrange diaphragm covers the frequency range between 300 & 7000 Hz with a smooth, linear response. The large diaphragm excursion of max. + /
- 0, 8 mm results in high output & increased power handling up to 1300 W peak. The ultra light annular diaphragm for the high range offers exceptional transient response with very high efficiency from 6 to 22 k Hz. The unique voice coil technology employs a light weight Copper Clad Aluminium wire wound inside & outside of the Kapton? former to improve the heat dissipation, dramatically increasing the acoustic output & reliability of the driver while minimises the power compression. The use of high grade neodymium magnets provide enhanced performance while significantly reducing transducer weight. Technische Daten Extended Bandwidth (300
- 22000 Hz) Neodymium Magnet Assembly With two subsystems in one, each Driver covers a smaller Frequency Range for increased Power Handling, high Dynamic & extremely low Distortion Excellent Phase Coherence Perfect Time Alignment without Problems of Multi-Source Interference Ultra light Weight  

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The patented design of the BMS 4592 is a result of extensive dedicated research & development providing dramatic improvement in dynamic response, clarity & transparency. The BMS annular midrange diaphragm covers the frequency range between 300 & 7000 Hz with a smooth, linear response. The large diaphragm excursion of max. + /
- 0, 8 mm results in high output & increased power handling up to 1300 W peak. The ultra light annular diaphragm for the high range offers exceptional transient response with very high efficiency from 6 to 22 k Hz. The unique voice coil technology employs a light weight Copper Clad Aluminium wire wound inside & outside of the Kapton? former to improve the heat dissipation, dramatically increasing the acoustic output & reliability of the driver while minimises the power compression. The use of high grade neodymium magnets provide enhanced performance while significantly reducing transducer weight. Technische Daten Extended Bandwidth (300
- 22000 Hz) Neodymium Magnet Assembly With two subsystems in one, each Driver covers a smaller Frequency Range for increased Power Handling, high Dynamic & extremely low Distortion Excellent Phase Coherence Perfect Time Alignment without Problems of Multi-Source Interference Ultra light Weight  

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The BMS exclusive voice coil technology employs a light weight Copper Clad Aluminium wire wound inside & outsde of the Kapton? former to improve the heat dissipation, dramtically increasing the acoustic output & reliability of the driver while minimising the power compression. Technische Daten 2" Middle Range Driver Unique patented Design 118 d B sensitivity 1 W / 1 m 300 Hz Crossover 90 mm Voice Coil   ...