Davis 40 RCA DB

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recommended cabinet 1:
closed cabinet with 62 L volume
from 67/43 Hz (-3dB/-8dB)
 
recommended cabinet 2:
243 L volume bass reflex cabinet
with 2x HP100 reflex tube, 5 cm long.
from 33/27 Hz (-3dB/-8dB).

Davis 40 RCA DB       order no. dav-40RCADB, 2 x 4Ohm       - not available (_)
36 cm bass driver with carbon cone. The driver is made with a double voice coil and the given impedance values are for connection in series.
  • resonance frequency fs = 36 Hz
  • impedance R = 8 Ohm
  • sound pressure level SPL = 98 dB (2,83V; 1m)
  • force factor BL = 13 N/A
  • effective mechanical mass incl. air load mms = 89 g
  • equivalent volume of compliance Vas = 187 l
  • total Q factor Qts = 0,42 (Qms=6,85, Qes=0,45)
  • overall diameter d = 400 mm
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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