Monacor SPH-8M

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recommended cabinet 1:
closed cabinet with 12,9 L volume
from 69/43 Hz (-3dB/-8dB)
 
recommended cabinet 2:
49 L volume bass reflex cabinet
with HP100 reflex tube, 31 cm long.
from 34/27 Hz (-3dB/-8dB).

Monacor SPH-8M       order no. mo-101630       EUR 73,00 excl. VAT: € 61.34 / $ 71.77
20 cm bass driver with polypropylene cone.
  • power handling (continuous/programme) = 100/150 W
  • frequency range = 40-2500 Hz
  • resonance frequency fs = 35 Hz
  • impedance R = 8 Ohm
  • sound pressure level SPL = 89 dB (2,83V; 1m)
  • DC resistance Re = 6,5 Ohm
  • force factor BL = 9,01 N/A
  • voice coil inductance L = 0,78 mH
  • effective piston radiating area Sd = 240 cm2
  • effective mechanical mass incl. air load mms = 27 g
  • equivalent volume of compliance Vas = 44 l
  • total Q factor Qts = 0,41 (Qms=2,26, Qes=0,5)
  • voice coil diameter = 38 mm
  • maximum peak linear excursion vibration xlin = +/- 4,5 mm
  • mounting diameter d = 180 mm
  • overall diameter d = 222 mm
  • mounting depth (not countersunk) t = 97 mm
  • mass m = 2,1 kg
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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