Fostex FF 165WK

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recommended cabinet 1:
closed cabinet with 5,1 L volume
from 118/74 Hz (-3dB/-8dB)
 
recommended cabinet 2:
17 L volume bass reflex cabinet
with HP70 reflex tube, 13 cm long.
from 62/48 Hz (-3dB/-8dB).

Fostex FF 165WK       order no. fx-ff165wk       EUR 109,00 excl. VAT: € 91.60 / $ 108.08
15 cm full range driver with high quality cone.
  • power handling (continuous/programme) = 30/90 W
  • frequency range = 50-21000 Hz
  • resonance frequency fs = 50 Hz
  • impedance R = 8 Ohm
  • sound pressure level SPL = 92 dB (2,83V; 1m)
  • DC resistance Re = 6,5 Ohm
  • force factor BL = 7,23 N/A
  • effective piston radiating area Sd = 132 cm2
  • effective mechanical mass incl. air load mms = 9,5 g
  • equivalent volume of compliance Vas = 27,83 l
  • total Q factor Qts = 0,34 (Qms=4,19, Qes=0,37)
  • voice coil diameter = 35 mm
  • maximum peak linear excursion vibration xlin = +/- 1,85 mm
  • mounting diameter d = 146 mm
  • overall diameter d = 166 mm
  • mounting depth (not countersunk) t = 76,6 mm
PDF data sheet
The cabinet volume calculations are executed considering an external resistance of 0.3 Ohm. We are using, if no other data is known or available, the information supplied by the manufacturer.

Please note: the frequency response doesn't say much about the cut-off frequency inside the cabinet! Therefore, we mostly give you 2 examples with dimensioning considerations and an indication, how low the loudspeaker will reproduce.

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