Monacor SPH-170

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recommended cabinet 1:
closed cabinet with 14 L volume
from 68/43 Hz (-3dB/-8dB)
 
recommended cabinet 2:
56 L volume bass reflex cabinet
with HP70 reflex tube, 11 cm long.
from 33/27 Hz (-3dB/-8dB).

Monacor SPH-170       order no. mo-100110       EUR 67,00 excl. VAT: € 56.30 / $ 65.31
17 cm bass-midrange driver with high quality cone. To avoid compression effects the driver possesses a pole piece hole. The basket is made of die-cast. The rubber surround is invers.
  • power handling (continuous/programme) = 50/80 W
  • frequency range = 58-5000 Hz
  • resonance frequency fs = 38 Hz
  • impedance R = 8 Ohm
  • sound pressure level SPL = 90 dB (2,83V; 1m)
  • DC resistance Re = 6,2 Ohm
  • force factor BL = 5,9 N/A
  • voice coil inductance L = 0,45 mH
  • effective piston radiating area Sd = 137 cm2
  • effective mechanical mass incl. air load mms = 12,5 g
  • equivalent volume of compliance Vas = 37 l
  • total Q factor Qts = 0,45 (Qms=2,38, Qes=0,55)
  • voice coil diameter = 25 mm
  • maximum peak linear excursion vibration xlin = +/- 3 mm
  • mounting diameter d = 150 mm
  • overall diameter d = 185 mm
  • mounting depth (not countersunk) t = 80 mm
  • mass m = 1,32 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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