Seas WA181 AL

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recommended cabinet 1:
closed cabinet with 4,5 L volume
from 90/57 Hz (-3dB/-8dB)
 
recommended cabinet 2:
14,3 L volume bass reflex cabinet
with HP50 reflex tube, 15 cm long.
from 48/37 Hz (-3dB/-8dB).

Seas WA181 AL       order no. I-1381005       - not available (_)
16 cm bass driver with aluminium cone.
  • power handling (continuous/programme) = 100/250 W
  • frequency range = 40-2500 Hz
  • resonance frequency fs = 37 Hz
  • impedance R = 8 Ohm
  • sound pressure level SPL = 87 dB (2,83V; 1m)
  • DC resistance Re = 5,8 Ohm
  • effective piston radiating area Sd = 120 cm2
  • equivalent volume of compliance Vas = 26 l
  • total Q factor Qts = 0,33 (Qms=1,55, Qes=0,42)
  • voice coil diameter = 39 mm
  • maximum peak linear excursion vibration xlin = +/- 6 mm
  • mounting diameter d = 145 mm
  • overall diameter d = 176 mm
  • mounting depth (not countersunk) t = 84 mm
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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