SB Acoustics SB12MNRX25-4

€49.50 *

Prices incl. VAT plus shipping costs

Delivery time 1-3 Workdays

  • 1382329
SB Acoustics SB12MNRX25-4 4" Woofer Proprietary cone material with natural fibres made... more
Product information "SB Acoustics SB12MNRX25-4"

SB Acoustics SB12MNRX25-4 4" Woofer

  • Proprietary cone material with natural fibres made in-house
  • Shortened voice coil optimized for pure midrange reproduction
  • High damping Butyl rubber surround for non-resonant sound character
  • Vented pole piece for reduced compression
  • Vented cast aluminium chassis for optimum strength and low compression
  • CCAW voice coil for reduced moving mass
  • Long life silver lead wires
  • Non-conducting fibre glass coil former for minimum damping

 

Specifications

  • power handling (continuous/programme) = 50 W
  • frequency range = 80-15000 Hz
  • resonance frequency fs = 58 Hz
  • impedance R = 4 Ohm
  • sound pressure level SPL = 88,5 dB (2,83V; 1m)
  • DC resistance Re = 3,2 Ohm
  • force factor BL = 3,7 N/A
  • voice coil inductance L = 0,14 mH
  • effective piston radiating area Sd = 50 cm2
  • effective mechanical mass incl. air load mms = 4,9 g
  • equivalent volume of compliance Vas = 5,5 l
  • total Q factor Qts = 0,37 (Qms=3,6, Qes=0.42)
  • voice coil diameter = 25,4 mm
  • mounting diameter d = 95 mm
  • overall diameter d = 123 mm
  • mounting depth (not countersunk) t = 69,61 mm
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