BMS 4508HE 8 Ohm 150W + 80W 8″ Neodymium Planar Wave Driver
£697.34
- Unique Dual Diaphragm Coaxial Planar Wave Driver
- Rectangular piston of 8″x3/4″ (125.6 x 19 mm)
- Neodymium Magnet Assembly
- Perfect acoustical coupling of individual units to create virtually continuous line source
- Extended Bandwith (300 – 22000 Hz)
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Product description:
The BMS 4508HE 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 1300 W peak.
Key features:
- Unique Dual Diaphragm Coaxial Planar Wave Driver
- Rectangular piston of 8″x3/4″ (125.6 x 19 mm)
- Neodymium Magnet Assembly
- Perfect acoustical coupling of individual units to create virtually continuous line source
- Extended Bandwith (300 – 22000 Hz)
- With two Subsystems in one, each Driver covers a smaller frequency Range for oncreased Power Handling.
- High Dynamic and extremely low Distortion
- Additional shorting rings for lower distortion
- Excellent Phase Coherence
- Perfect Time Alignment without Promblems of Multi-Source Interference
- ultra light Weight and small Size
- 8 or 16 Ohm
BMS 4508HE specifications:
- Throat diameter:Rectangular piston 8″ x 3/4″ (215.6 x 19 mm)
- Nominal impedance: 8 or 16 Ohm
- Efficiency: 35% (300 – 5000 Hz)
- Power capacity:
- Mid range (AES): 150 W above 450 Hz
- Peak: 1000 W above 500 Hz
- High range (AES): 80 W
- Peak: 320 W
- Sensitivity: 112 dB on 90° x 10° horn
- Frequency range: 400 – 22000 Hz
- Recommended crossover: Mid: 400 Hz, High 6.3 kHz
- Middle frequency range: 400 – 7000 Hz
- High frequency range: 6000 – 22000 Hz
- Mid/high crossover: 6300 Hz
- Voice coil mid range: 3.5″ (90 mm)
- Voice coil high range: 1.75″ (44.4 mm)
- Magnet material: Neodymium
- Flux density mid range: 1.95 Tesla
- Flux density high range: 2.2 Tesla
- Voice Coil Material: Copper Clad Aluminum
- (2 layers inside and outside of the VC)
- Voice Coil Former: Kapton TM
- Diaphragm Material: Polyester
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| Weight | 3 kg |
|---|---|
| Brand | BMS |
| Magnet type | Neodymium |
| Size | 8" |
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