Selenium WPU1509-4

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recommended cabinet 1:
closed cabinet with 31 L volume
from 80/51 Hz (-3dB/-8dB)
 
recommended cabinet 2:
101 L volume bass reflex cabinet
with 2x HP100 reflex tube, 16 cm long.
from 42/33 Hz (-3dB/-8dB).

Selenium WPU1509-4       order no. sel-WPU1509-4       - not available (_)
37 cm bass driver with high quality cone.
  • power handling (continuous/programme) = 450/900 W
  • frequency range = 50-3500 Hz
  • resonance frequency fs = 34 Hz
  • impedance R = 4 Ohm
  • sound pressure level SPL = 96 dB (2,83V; 1m)
  • DC resistance Re = 3,2 Ohm
  • force factor BL = 15,8 N/A
  • effective piston radiating area Sd = 814 cm2
  • equivalent volume of compliance Vas = 166 l
  • total Q factor Qts = 0,32 (Qms=15,7, Qes=0,33)
  • voice coil diameter = 100 mm
  • maximum peak linear excursion vibration xlin = +/- 4 mm
  • mounting diameter d = 349 mm
  • overall diameter d = 388 mm
  • mounting depth (not countersunk) t = 178 mm
  • mass m = 8,48 kg
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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