Description
BMS 4590 2" COAXIAL COMPRESSION DRIVER!! SPECIAL PRICING!
BRAND NEW, UNOPENED
In a conventional full range compression driver the phase plug must be located extremely close to the diaphragm, excursion of the diaphragm is limited and middle frequency perfomance is compromised. A typical 2" dome compression driver has a limited high frequency response. Above 8 kHz the dome diaphragm breaks up causing resonance and harsh metallic sound.
The BMS annular midrange diaphragm covers the frequency range between 400 and 7000 Hz with a smooth linear response. The large diaphragm excursion of max. +/- 0.8 mm results in high output and 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 and 22 kHz.
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BMS 4590 SPECIFICATION
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Throat diameter: |
2" (50.8) |
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Nominal Impedance |
8 or 16 Ohm |
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Power capacity: |
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Middle Range (AES): |
150 W AES above 400 Hz |
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Peak: |
1000 W peak above 500 Hz |
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High Range (AES): |
80 W |
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Peak: |
450 W |
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Sensitivity 1 W / 1 m |
118 dB on 2242 Horn |
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Frequency Range (Hz): |
300 - 22000 |
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Recommended Crossover: |
300 Hz |
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Middle Frequency Range: |
300 - 7000 Hz |
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High Frequency Range: |
6000 - 22000 Hz |
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Middle / High Crossover: |
6300 Hz |
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Voice Coil High Range: |
1.75" (44.4 mm) |
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Voice Coil Mid Range: |
3.5" (90 mm) |
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Magnet Material: |
Ferrite |
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Flux Density (Tesla) high: |
2.1 |
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Flux Density (Tesla) mid: |
1.95 |
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Efficiency: |
35 % (300 - 5000 Hz) |
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Voice Coil Material: |
Copper Clad Aluminum |
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(2 layers in- and outside of the VC) |
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Voice Coil Former: |
Kapton TM |
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Diaphragm Material: |
Polyester |
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