B&C DE25 40W 8 Ohm 1" Bolt On Compression Driver part for Martin Audio H3 DCD025
1" high frequency compression driver. Low mass mylar diaphragm ensures an extremely flat frequency response and optimized ceramic magnet assembly, results in high sensitivity and low distortion up to 18 kHz.
Specifications1
- Throat Diameter 25 mm (1 in)
- Nominal Impedance 8 Ω
- Minimum Impedance 7.7 Ω
- Power Handling(2200 –20000 Hz)
- Nominal2 40 W
- Continuous Program3 80 W
- Sensitivity (1W/1m)4 108.5 dB
- Frequency Range 1.5 – 18 kHz
- Recommended Crossover5 2.2 kHz
- Voice Coil Diameter 44 mm (1.7 in)
- Winding Material Aluminium
- Inductance 0.11 mH
- Diaphragm Material Mylar
- Flux Density 1.7 T
Mounting and Shipping Information
- 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 60 mm (2.4 in)
- Net Weight (1 unit) 2.8 kg (6.2 lb)
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.
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