SB Acoustics SB20FRPC30-8

€47.00 *

Prices incl. VAT plus shipping costs

Delivery time 1-3 Workdays

  • 1382489
SB Acoustics SB20FRPC30-8 8" Fullrange Proprietary cone material with natural fibers made... more
Product information "SB Acoustics SB20FRPC30-8"

SB Acoustics SB20FRPC30-8 8" Fullrange

  • Proprietary cone material with natural fibers made in-house
  • Light weight foam surround
  • Optimized whizzer cone for smooth high frequency extension
  • Phase plug for controlled radiation
  • Large spider for improved linearity
  • Optimized motor system
  • Vented reinforced plastic chassis
  • Non-conductive coil former
  • Long life lead wires
  • Extended copper sleeve on pole piece

 

Specifications

  • resonance frequency fs = 39,4 Hz
  • impedance R = 8 Ohm
  • sound pressure level SPL = 92 dB (2,83V; 1m)
  • DC resistance Re = 6 Ohm
  • force factor BL = 7,15 N/A
  • voice coil inductance L = 0,22 mH
  • effective piston radiating area Sd = 216 cm2
  • effective mechanical mass incl. air load mms = 16,3 g
  • equivalent volume of compliance Vas = 66,3 l
  • total Q factor Qts = 0,45 (Qms=10,1, Qes=0,47)
  • voice coil diameter = 30,5 mm
  • maximum peak linear excursion vibration xlin = +/- 4,1 mm
  • mounting diameter d = 187 mm
  • overall diameter d = 218 mm
  • mounting depth (not countersunk) t = 94,3 mm
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