B&C Speakers Hf Compression Drivers DE 25 Leaflet

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.

Throat Diameter

25 mm (1 in)

Nominal Impedance

8 

Ω

Minimum Impedance

7.7 

Ω

Power Handling
(2200 –20000 Hz)
Nominal

2

40 W

Continuous Program

3

80 W

Sensitivity (1W/1m)

4

108.5 dB

Frequency Range

1.5 – 18 kHz

Recommended Crossover

5

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

Ω, data upon request

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)

Shipping Weight (4 units)

12.1 kg (26.6 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.