China Future Sound

PF4N | 4″ PA Audio Low Distortion Fullrange Speaker


CFS PF4N drivers are optimized using FEA to give a rising HF response. This results in a noticeably wider dispersion characteristic to higher frequencies than conventional speakers of this size. the transducer uses high enery neodymium magnetics to achieve a very high acoustic output to weight ratio.
Half roll rubber surrounds enable greater excursion and lower responance frequeancy for small diameter cones. they also provide damping of unwanted resonances and sustained centring control at exatremes of excursion.
The PF4N employs a large 1”(25.9mm)diameter voice coil that Provides an AES rated 60 watts of continuous power handing and a full 120 watts of peak power handing, the PF4N utilizes CFS under damper venting technology to reduce turbulent airflow near the voice coil that provides good conversion efficiency and high thermal power handing.
  • 4-inch Fullrange Speaker 
  • Peak Power: 60 Watts
  • RMS Power: 120 Watts
  • 1″ High Temperature CCAW Voice Coil
  • Frequency Response: 88 – 20Khz
  • Sensitivity: 90.5 dB
  • Fs: 88 Hz
  • Re: 5.2 Ω
  • Qms: 4.2
  • Qes: 0.45
  • Qts: 0.41
  • Mms:4.1 gr
  • Cms: 0.691 mm/N
  • Bl: 5 n/a
  • Vas: 3.4 L
  • Sd: 59.45 cm²
  • Xmax: 2.25 mm
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