B&C DH450H

B & C DH450H 40W 8 Ohm 1" Bolt On Compression Driver

HLX Series - The Helical Approach

B&C has a reputation for performance, by turning the limits of traditional compression driver design on their head. HLX™ : Compression driver efficiency in miniature. The HLX™ phase plug (US Patent #12149906) has a central channel that is twisted, like DNA, to gain the length required to match the outer channels. This technique works with standard, cost-effective injection mold tooling and plastics by rotating the inner die along a screw profile. The convex dome design, so achieved, has a number of significant cost and performance advantages.

Minimized diameter, weight, and cost
lncreased diaphragm area
Low, ~1kHz Crossover point
Reduced distortion, especially intermodulation distortion
More efficient magnetic flux use

 Very Compact 69 mm diameter
• 80 W continuous program power capacity (40 W RMS Nominal)
• 1" horn throat diameter
• 44 mm (1.7 in) aluminium voice coil
• HT Polymer diaphragm
• 1000 - 18000 Hz response
• 109 dB sensitivity

SPECIFICATIONS
Driver mounted on B&C ME 45 horn.

Throat Diameter: 25 mm (1 in)
Nominal Impedance: 8 Ω
Minimum Impedance: 7.8 Ω
Nominal Power Handling: 40 W

*2 hour test made with continuous pink noise signal within the
range from the recommended crossover frequency to 20 kHz.
*Power calculated on rated minimum impedance.
Continuous Power Handling: 80 W
*Power on Continuous Program is defined as 3 dB greater than the
Nominal rating.

Sensitivity: 109 dB

*Applied RMS Voltage is set to2.83 V for 8 ohms Nominal Impedance.

Frequency Range: 1 kHz - 18 kHz
Recommended Crossover: 1 kHz (12 dB/oct. or higher slope high-pass filter)

Voice Coil Diameter: 44 mm (1.7 in)
Winding Material: Aluminium
Inductance: 0.16 mH
Flux Density: 1.9 T
Diaphragm Material: HT Polymer

MOUNTING AND SHIPPING INFO

Overall Diameter: 69 mm
Depth: 65 mm
Net Weight: 0.6 kg
Shipping Units: 1 pcs
Shipping Weight: 0.64 kg
Shipping Box 120x120x65 mm

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