B&C Speakers Hf Compression Drivers DE85 User manual

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 .
Specification 1
Throat Diameter 50 mm (2 in)
Nominal Impedance 8 Ω
Minimum Impedance 8 Ω
Power Handling
(1000 –20000 Hz)
Nominal280 W
Continuous Program3160 W
Sensitivity (1W/1m) 108 dB
Frequency Range 0.5 – 18 kHz
Recommended Crossover51000 Hz
Voice Coil Diameter 75 mm (3 in)
Winding Material Aluminium
Inductance 0.1 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 ( in) diameter
Overall Diameter 170 mm (6.7 in)
Depth 67 mm (2.6 in)
Net Weight (1 unit) .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.
Applied RMS Voltage is set to 2.83V for 8 ohms and V for 16 ohms Nominal
Impedance. Average SPL from 500 to 18000 Hz.
5 12 dB/oct. or higher slope high-pass filter.
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