Monacor SPH-170TC, 2x8 Ohm

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recommended cabinet 1:
closed cabinet with 10,3 L volume
from 62/39 Hz (-3dB/-8dB)
 
recommended cabinet 2:
40 L volume bass reflex cabinet
with HP70 reflex tube, 21 cm long.
from 30/24 Hz (-3dB/-8dB).

Monacor SPH-170TC, 2x8 Ohm       order no. mo-101440       EUR 52,00 excl. VAT: € 43.70 / $ 50.69
15 cm bass-midrange driver with polypropylene cone. The driver is made with a double voice coil and the given impedance values are for connection in series.
  • power handling (continuous/programme) = 2x40/60 W
  • frequency range = 50-5000 Hz
  • resonance frequency fs = 33 Hz
  • impedance R = 4 Ohm
  • sound pressure level SPL = 88 dB (2,83V; 1m)
  • DC resistance Re = 2x7,5/3,8 Ohm
  • force factor BL = 5,2 N/A
  • voice coil inductance L = 2x0,6/0,6 mH
  • effective piston radiating area Sd = 127 cm2
  • effective mechanical mass incl. air load mms = 16 g
  • equivalent volume of compliance Vas = 31 l
  • total Q factor Qts = 0,41 (Qms=2,98, Qes=0,48)
  • voice coil diameter = 25,5 mm
  • maximum peak linear excursion vibration xlin = +/- 2,25 mm
  • mounting diameter d = 142 mm
  • overall diameter d = 166 mm
  • mounting depth (not countersunk) t = 82 mm
  • mass m = 1,4 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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