BMS 4590 2" COAXIAL COMPRESSION DRIVER!! SPECIAL PRICING!

Regular price $489.99 Sale

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

Throat diameter:

2" (50.8)

Nominal Impedance

8 or 16 Ohm

Power capacity:

 

Middle Range (AES):

150 W AES above 400 Hz

Peak:

1000 W peak above 500 Hz

High Range (AES):

80 W

Peak:

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:

Ferrite

Flux Density (Tesla) high:

2.1

Flux Density (Tesla) mid:

1.95

Efficiency:

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:

Polyester