B&C Speakers Hf Compression Drivers DE 45 User manual

1
B&C
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)
Nominal260 W
Continuous Program3120 W
Sensitivity (1W/1m)4106 dB
Frequency Range 1 – 18 kHz
Recommended Crossover51.5 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.
DE 45 |Hf Compression drivers
Speakers Coaxials HF Compression drivers Horns
Progetto3 7-01-2005 15:30 Pagina 1