40mm Headphone Speaker

40mm Headphone Speaker

40mm Headphone speaker

Datasheet (download)

Please order sample here.

BFC-D45-7-32-012

  • Special semi-rigid extreme light-weight PEEK-Paper composite diaphragm for headphones demanding high SPL and low distortion
  • High power handling : 40mW (continuous), 100mW (transient)
  • Over-sized N45 Neodymium (NdFeB) magnet motor
  • Copper clad aluminum wire voice coil
  • PU surround

Techncal Specification,

Driver Size : D40mm x 7.2mm
DC Resistance : 32Ω ± 5%
Resonance Frequency (Fs) : 80Hz ± 15%
Usable Frequency Range : 16Hz-24kHz
Continuous Power (thermal) : 40mW
Max. Power (transient) : 100mW
Excursion, peak-to-peak (Xmax) : -
Moving Mass (Mms) : -
Effective Radiating-area (Sd) : 9cm²
Force Factor (BL) : -
Specific Force Factor (BL/√Re) : -
Compliance, free-air (Cms) : -
Eqv. Compliance Volume (Vas) : -
Voice Coil Inductance (Le) : -
Diaphragm Displacement Volume, peak-to-peak(Vd) : -
Sensitivity (IE318 Ear) : 113dBSpl
NdFeB magnet rating : N45
NdFeB magnet weight : 5g
Voice-coil magnet wire weight : -
Driver Weight : 16.5g
Voice-coil magnet wire grade : EISV
Magnet wire material : CCAW
Max. Voice-coil Temperature : 180°C
Operating Temperature : -10 to 40°C
Storage Temperature : -20 to 70°C
Rated Harmonic Distortion : 50-500Hz <=2%; 500-8kHz <=1%;