High Frequency Driver

HDF 40

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40 watt Power

1 inch Throat Exit

34.4 mm (1.35 mm) Voice Coil

1.5 KHz to 20 KHz

103 db 1w@1m Sensitivity

Ferrite Magnet Structure


Specification

Throat Diameter mm/in 25/1
Power Handling Capacity w(AES) 140
Max Power watts 160
Nominal Impedance ohms 16-Aug
Sensitivity (1W/1M) dB 103
Frequency Range Hz 1.8K To 20K
Voice Coil Diameter mm/in 34.5/1.35
Re ohm 12-Jun
Flux density T 1.6
Diaphragm  PEEK
Voice coil Copper Clad Aluminium
Magnet material Ceramic

Dimension

Bolt circle diameter mm 4x M6 holes
Over all diameter mm 100
Overall depth mm 50
Net weight Kg 1.3

  • Dimension Drawing
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▪Aes Power Is Measured with 6db Creat Factor Continuous Pink Noise in 2 Hours Duration
▪Max Power Is Defined as 3dB Higher than the Nominal Rating
▪Sensitivity Is Measured at One Meter at 2.83v and 8 Ohm Nominal Impedance
▪All Measurement of the Speakers Is Done After a Sufficient High Level of 20hz Sine Wave Test
▪Xmas Is Defined at Tahe BL Drops by 18% of the Original Figure