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BMS 4590

BMS 4590

Производител: BMS
Цена: 460,00 лв.

BMS 4590



  • 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 and extremely low distortion
  • Perfect time alignment without problems of multi-source interference
  • 8 or 16 Ohm

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.


Throat diameter:

2" (50.8)

Nominal Impendance:

8 or 16 Ohm

Power capacity:


Middle Range (AES):

150 W AES above 400 Hz


1000 W peak above 500 Hz

High Range (AES):

80 W


450 W

Sensitivity 1 W / 1 m

118 dB on 2242 Horn

Frequency Range (Hz):

300 - 22000

Recommended Crossover:

300 Hz

Middle Frequency Range:

300 - 7000 Hz

High Frequency Range:

6000 - 22000 Hz

Middle / High Crossover:

6300 Hz

Voice Coil High Range:

1.75" (44.4 mm)

Voice Coil Mid Range:

3.5" (90 mm)

Magnet Material:


Flux Density (Tesla) high:


Flux Density (Tesla) mid:



35 % (300 - 5000 Hz)

Voice Coil Material:

Copper Clad Aluminum


(2 layers in- and outside of the VC)

Voice Coil Former:

Kapton TM

Diaphragm Material:


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