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Top performance 1.4" high frequency compression driver. The particular mylar/titanium diaphragm using a 3" edgewound flat aluminium wire voice coil and a FEA computer optimized lightweight Neodymium magnet assembly using a copper shorting ring produce smooth response, very high efficiency and outstanding sonic properties. This unit weights only 2.6 kg.
Specifications1
- Throat Diameter 36 mm (1.4 in)
- Nominal Impedance 8 Ω
- Minimum Impedance 8.3 Ω
- Power Handling (1200 –20000 Hz)
- Nominal2 80 W
- Continuous Program3 160 W
- Sensitivity (1W/1m)4 109.5 dB
- Frequency Range 0.5 – 18 kHz
- Recommended Crossover5 1200 Hz
- Voice Coil Diameter 75 mm (3 in)
- Winding Material Aluminium
- Inductance 0.14 mH
- Diaphragm Material Titanium
- Flux Density 2.05 T
Mounting and Shipping Information
- Four M6 holes 90° on 102 mm (4 in) diameter
- Overall Diameter 132 mm (5.2 in)
- Depth 65 mm (2.6 in)
- Net Weight 2.6 kg (5.7 lb)
1 Driver mounted on B&C ME 90 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.
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B&C DE900 80W 8 Ohm 1.4" Bolt On Compression Driver PDF data sheet (750 kb)