Vifa M10MD39 Midrange drivers USED

A pair of Vifa 100mm midrange drivers from ACI G2R speakers. Price is for the pair.
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This Vifa model was used as an upgrade for the original ACI G2 cabinets from the original Seas 10F-M mids.   This pair is from a set of ACI G2 cabinets.  They are USED.

These are nominally 4" drivers, (104mm) with magnesium frames, and butyl surrounds.  

Here is some data from VIfa:

  • Nominal impedance [ohm] 8
  • Voice coil resistance [ohm] 5.4
  • Nominal power [W] 80
  • Short term max power [W] -
  • Long term max power [W] -
  • Operating power [W] 6.3
  • Sensitivity [dB] 88
  • Frequency range [kHz] 0.3-8
  • Free air resonance [Hz] 110
  • Voice coil diameter [mm] 20
  • Voice coil height [mm] 5.3
  • Air gap height [mm] 4
  • Voice coil inductance [mH] -
  • Eff. diaphragm Area [cm²] 37
  • Moving mass [g] 2.9
  • Magnet weight [g]/[oz] 210/7.4
  • Force factor [Bl] 4.1