Peerless HDS N 8-33/08 (HDS Nomex 205)

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recommended cabinet 1:
closed cabinet with 18 L volume
from 62/39 Hz (-3dB/-8dB)
 
recommended cabinet 2:
66 L volume bass reflex cabinet
with HP100 reflex tube, 28 cm long.
from 31/25 Hz (-3dB/-8dB).

Peerless HDS N 8-33/08 (HDS Nomex 205)       order no. ty-HDS-P830869       EUR 92,00 excl. VAT: € 77.31 / $ 89.68
21 cm bass driver with paper cone. The basket is made of die-cast.
  • power handling (continuous/programme) = 100/120 W
  • frequency range = 30-4000 Hz
  • resonance frequency fs = 30 Hz
  • impedance R = 8 Ohm
  • sound pressure level SPL = 89,7 dB (2,83V; 1m)
  • DC resistance Re = 5,9 Ohm
  • force factor BL = 9,1 N/A
  • voice coil inductance L = 1,8 mH
  • effective piston radiating area Sd = 235 cm2
  • effective mechanical mass incl. air load mms = 30,6 g
  • equivalent volume of compliance Vas = 70 l
  • total Q factor Qts = 0,38 (Qms=5,7, Qes=0,41)
  • voice coil diameter = 33 mm
  • maximum peak linear excursion vibration xlin = +/- 8 mm
  • mounting diameter d = 190 mm
  • overall diameter d = 225,2 mm
  • mounting depth (not countersunk) t = 90 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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