MCM Electronics

40W 8 Ohm - Bolt On Compression Tweeter DriverMCM Part #: 53-1445  |  Faital Pro Part #: HF104

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Throat Diameter 25,4 mm (1 in)
Overall Diameter 91 mm (3.58 in)
180° Mounting Holes Diameter (2xM5) 77.5 mm (3.05 in)
Depth 51 mm (2.01 in)
Net Weight 850 g (1.87 lb)
Shipping Box 98x90x64 mm (3.86x3.54x2.52 in)
Shipping Weight 880 g (1.94 lb)

Product Description


Nominal Impedance 8 ohm
Minimum Impedance 6.9 ohm
AES Power Handling * 40 W
Maximum Power Handling ** 80 W
Minimum Crossover Frequency *** 1.7 kHz
Sensitivity (1W/1m) **** 108 dB
Frequency Range 1.5÷20 kHz
Voice Coil Diameter 37 mm (1.46 in)
Winding Material Copper Clad Aluminium
Former Material Kapton
Diaphragm Material Ketone Polymer
Diaphragm Shape Annular
Winding Depth 2.1 mm (0.08 in)
Magnetic Gap Depth 2.6 mm (0.10 in)
Flux Density 1.85 T
Re 5.5 ohm
Phase Plug Design Radial


  • (*) Test made for 2 hours with Pink Noise signal (6 dB Crest Factor) from minimum crossover frequency. Power calculated on rated minimum impedance. Driver mounted on aluminium horn.
  • (**) Maximum power is defined as 3dB greater than nominal power.
  • (***) 12 dB/oct or higher slope high-pass filter
  • (****) Averaged within the frequency range

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Package Specifications & Dimensions
Weight:1.5 lbs.
RoHS Comp:Yes
Warranty:90 days
Need to Return?
Length:4 in.
Width:3.5 in.
Height:2.5 in.
Shipping Information
Extra Shipping Charge:No
Drop Ship:No
Catalog Pages

MCM Cat 57, Page 172

MCM Cat 56, Page 299

PDF Reference

Requires Adobe Acrobat Reader.

Mfr. Info

Faital Pro Logo
Mfr. Name:Faital Pro
Mfr. Part Number:HF104
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