B&C DH450H is a 1-inch 8 ohm compression driver rated at 40 W RMS. The source-backed specifications include sensitivity 109 dB, range from 1000 Hz, to 18000 Hz, throat 25 mm. bits tracks UK, EU and US shop prices, price movement, and datasheet links, with a current best price of £79.58.
Source-backed specifications
Thiele/Small
Le
0.16mH
Motor and cone
Voice coil
44mm
Flux density
1.90T
Power and response
Sensitivity
109dB
Power
40W
Nominal power
40W
Impedance
8Ω
Min. impedance
7.8Ω
Range
1000–18000Hz
Crossover
1000Hz
Throat
25mm
Size and mounting
Diameter
69mm
Depth
65mm
Weight
0.6kg
Everything else B&C lists
HF
Le
0.16mH
SPL
109dB
Power
40W
Impedance
8Ω
Flux density
1.90T
Sensitivity
109dB
Low limit
1000Hz
Nominal power
40W
High limit
18000Hz
Throat
25mm
Manufacturer sensitivity
109dB
Min. impedance
7.8Ω
Voice coil
44mm
Crossover
1000Hz
Weight
0.6kg
Diameter
69mm
Depth
65mm
Depth
65 mm (2.56 in)
Inductance
0.16 mH
Net weight
0.6 kg (1.32 lb)
Sensitivity
109 dB
Flux density
1.9 T
Shipping box
120x120x65 mm (4.72x4.72x2.56 in)
Shipping units
1 pcs
Frequency range
1 kHz - 18 kHz
Shipping weight
0.64 kg (1.41 lb)
Throat diameter
25 mm (1 in)
Overall diameter
69 mm (2.72 in)
Winding material
Aluminium
Minimum impedance
7.8 Ω
Nominal impedance
8 Ω
Diaphragm material
HT Polymer
Voice coil diameter
44 mm (1.7 in)
Recommended crossover
1 kHz
Nominal power handling
40 W
Continuous power handling
80 W
02
Where to buy
Prices for delivery to the UK, including VAT. How prices work