BMS 4508 NDL - 8" Neodymium High-Frequency Driver 150 W 8 Ohms

BMS 4508 NDL 8" Neodym Hochtontreiber 150 W 8 Ohm
€1,055.39 *
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Item number: 500112535
8" Neodymium High-Frequency Driver 150 W 8 Ohms Unique Dual Diaphragm Coaxial Planar Wave... more
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"BMS 4508 NDL - 8" Neodymium High-Frequency Driver 150 W 8 Ohms"
8" Neodymium High-Frequency Driver 150 W 8 Ohms
  • Unique Dual Diaphragm Coaxial Planar Wave Driver
  • Rectangular piston of 8"x3/4" (215.6 x 19 mm)
  • Neodymium Magnet Assembly
  • Perfect acoustical coupling of individual units to create virtually continuous line source
  • Extended Bandwith (300 - 22,000 Hz)
  • With two Subsystems in one, each Driver covers a smaller frequency Range for oncreased Power Handling, high Dynamic and extremely low Distortion
  • Excellent Phase Coherence
  • Perfect Time Alignment without Promblems of Multi-Source Interference
  • Ultra light Weight and small Size

The BMS 4508ND dual diaphragm coaxial planar wave driver radiates a coherent planar wave front form a rectangular piston without internal diffraction for superior dispersion control and high fidelity sound. The driver is in fact a 2-way system employing two concentric annular ring diaphragms. Each driver covers a smaller frequency range for increased power handling, high dynamic and extremely low distortion.

This distinctive new transducer was engineered to work with 8-inch (215.6 mm x 19 mm) rectangular throat waveguides providing extremely high sensitivity.

The patented design of the BMS 4508 is a result of extensive dedicated research and development providing dramatic improvement in dynamic response, clarity and transparency. The larger annular midrange diaphragm covers the frequency range between 300 and 6,500 Hz with a smooth, linear response. The high diaphragm excursion of max. + / - 0.8 mm results in high output and increased power handling up to 1,300 W peak.

The ultra light annular diaphragm for the high range offers exceptional transient response with very high efficiency from 6 to 22 kHz. The voice coils may be driven in conjunction with a passive crossover or driven individually from an active crossover. The unique voice coil technology employs a light weight Copper Clad Aluminum 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 minimises the power compression. The use of high grade neodymium magnets provide improved performance while significantly reducing transducer weight.

The 4508ND is optimized for 0° to 15° vertical dispersion and allows a horizontal coverage up to 120° depending on the waveguide used. The unique design of the 4508ND dual diaphragm planar wave driver allows perfect acoustical coupling of individual units with excellent phase coherence and perfect time alignment to create virtually continuous line source.

Technical data:
Product type:High-frequency Drivers
Nominal Diameter:8" x 0.75 "
Nominal Diameter:215.6 x 19 mm
Voice Coil:3.5 / 1.75 "
Voice Coil:90 / 44.4 mm
Overall diameter:223 x 133 mm
Depth:226.5 mm
Nominal Impedance:8 Ohm(s)
Nominal Load Capacity:150 W
maximum rated load:1000 W
Sensitivity (horn 1 W / 1 m):112
Frequency response:400 - 22000 Hz
recommended crossover frequency:6300 Hz
Voice Coil Carrier:Kapton
Diaphragm material:Polyester
Magnet:Neodymium
Mounting holes:4
Diameter of fixing holes:M6
Pitch Circle Diameter (bolt on):177.8 x 50.8 mm
Weight:3,5 kg
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We will be happy to advise you!
You can reach us:
Mon-Fri: 08:00 am – 05:00 pm
You can find answers to frequently asked questions here: LTT-InfoCenter
Including buyer protection
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Protection of personal data
Learn more about us! Take a look behind the scenes at the LTT Group for an insight into our company.
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