BMS BMS4593NDH 4593 ND – 1.4″ Coaxial Neodymium Driver 150 W + 80 W 16 Ohm

Specifications

• Type: Compression Driver
• Throat Diameter: 1,4“
• Throat Diameter: 36 mm
• Overall Diameter: 132 ± 3 mm
• Depth: 85 mm    
• Sensitivity (on Horn 1W/1m): 118 dB
• Mounting Holes Number (bolt on):4
• Mounting Holes Diameter (bolt on): M6
• Bolt Circle Diameter (bolt on): 101,6 mm
• Passive Crossover: No

Specifications Mid Range

• Type: Compression Driver
• Voice Coil Diameter: 3,5“
• Voice Coil Diameter: 90 mm
• Nominal Impedance: 16 ohms
• Nominal Power Handling: 150 W
• Maximum Power Handling: 1000 W
• Sensitivity (1W/1m): 118 dB
• Frequency Range: 300 - 7000 Hz
• Recommended Crossover Frequency: 300 Hz
• Voice Coil Former: Kapton
• Diaphram Material: Polyester
• Magnet Material: Neodymium

Specifications HF

• Type: Compression Driver
• Voice Coil Diameter: 1,75“
• Voice Coil Diameter: 44,4 mm
• Nominal Impedance: 16 ohms
• Nominal Power Handling: 80 W
• Maximum Power Handling: 320 W
• Sensitivity (1W/1m): 118 dB
• Frequency Range: 6000 - 22000 Hz
• Recommended Crossover Frequency: 6300 Hz
• Voice Coil Former: Kapton
• Diaphram Material: Polyester
• Magnet Material: Neodymium

1” high frequency compression driver, titanium
diaphragm, flat aluminium wire voice coil, low distortion,
extremely good response from 1.5 kHz. to 18 kHz.

Specifications1
Throat Diameter 25 mm. (1 in.)
Nominal Impedance 8 Ω
Minimum Impedance 7.6 Ω
Power Handling
(1500 –20000 Hz)
Nominal2 60 W
Continuous Program3 120 W
Sensitivity (1W/1m)4 106 dB
Frequency Range 1 – 18 kHz
Recommended Crossover5 1.5 kHz
Voice Coil Diameter 44 mm. (1.7 in.)
Winding Material Aluminium
Inductance 0.11 mH
Diaphragm Material Titanium
Flux Density 1.7 T
Also available in 16 Ω, data upon request

Mounting and Shipping Informations
Two M6 holes 180° on 76 mm. (3 in.) diameter
Three M6 holes 120° on 57 mm. (2.2 in.) diameter
Overall Diameter 134 mm. (5.3 in.)
Depth 68 mm. (2.7 in.)
Net Weight (1 unit) 2.9 Kg. (6.4 lb.)
Shipping Weight (4 units) 12.5 Kg. (27.5 lb.)
Shipping Box (4 units) 300x160x180 mm.
(12x6.3x7.1 in.)
1 Driver mounted on B&C ME 45 horn.
2 2 hours test made with continuous pink noise signal (6 dB crest factor) within
the specified range . Power calculated on rated minimum impedance.
3 Power on Continuous Program is defined as 3 dB greater than the Nominal
rating.
4 Applied RMS Voltage is set to 2.83V for 8 ohms and 4V for 16 ohms Nominal
Impedance. Average SPL from 1000 to 18000 Hz.
5 12 dB/oct. or higher slope high-pass filter.

Driver 140WRMS, 108dB, 500-18.000 Hz

2" high frequency compression driver. The particular mylar/titanium
diaphragm using a 3" edgewound flat aluminium wire voice coil and a
optimized high energy ceramic magnet assembly using a copper shorting
ring assembly produce smooth response and excellent sonic properties .

Specifications1
Throat Diameter 50 mm (2 in)
Nominal Impedance 8 Ω
Minimum Impedance 8 Ω
Power Handling
(1000 –20000 Hz)
Nominal2 80 W
Continuous Program3 160 W
Sensitivity (1W/1m)4 108 dB
Frequency Range 0.5 – 18 kHz
Recommended Crossover5 1000 Hz
Voice Coil Diameter 75 mm (3 in)
Winding Material Aluminium
Inductance 0.14 mH
Diaphragm Material Titanium
Flux Density 1.8 T
Also available in 16 Ω, data upon request

Mounting and Shipping Information
Four M6 holes 90° on 102 mm (4 in) diameter
Overall Diameter 170 mm (6.7 in)
Depth 67 mm (2.6 in)
Net Weight (1 unit) 4.5 kg (9.9 lb)
Shipping Weight (2 units) 9.6 kg (21.2 lb)
Shipping Box (2 units) 210x210x190 mm
(8.3x8.3x7.5 in)
1 Driver mounted on B&C ME 75 horn.
2 2 hours test made with continuous pink noise signal (6 dB crest factor) within
the specified range. Power calculated on rated minimum impedance.
3 Power on Continuous Program is defined as 3 dB greater than the Nominal rating.
4 Applied RMS Voltage is set to 2.83V for 8 ohms and 4V for 16 ohms Nominal
Impedance. Average SPL from 500 to 18000 Hz.
5 12 dB/oct. or higher slope high-pass filter.