SB Acoustics SB34NRXL75-8

€325.95 *

Prices incl. VAT plus shipping costs

Delivery time 1-3 Workdays

  • 1382332
The SB Acoustics SB34NRXL75-8 12" woofer uses a large 3" voice coil on a cast aluminium chassis.... more
Product information "SB Acoustics SB34NRXL75-8"

The SB Acoustics SB34NRXL75-8 12" woofer uses a large 3" voice coil on a cast aluminium chassis. Hard Paper proprietary cone materials made in-house for consistency. Low damping SBR rubber surround with high exertion and resilience. Open structure cast frame for reduced reflections and compression. Aluminium alloy for light weight, non-magnetic and extra rigidity. Shorting Copper cap on pole piece. Non-inductive 75mm coil former.



  • Hard paper cone for improved piston operation (made in-house)
  • Large motor system with under-cut pole piece and dual shorting rings
  • Vented pole piece for minimum compression
  • Vented cast aluminium chassis for optimum strength and low compression
  • 3″ copper voice coil for improved power handling
  • Long life silver lead wires
  • Low damping rubber surround for improved dynamic linearity
  • Non-conducting fibre glass voice coil former for minimum damping
  • Optimized for vented enclosure


  • power handling (continuous/programme) = 200 W
  • resonance frequency fs = 22 Hz
  • impedance R = 8 Ohm
  • sound pressure level SPL = 91 dB (2,83V; 1m)
  • DC resistance Re = 6,2 Ohm
  • force factor BL = 16,6 N/A
  • voice coil inductance L = 1,2 mH
  • effective piston radiating area Sd = 508 cm2
  • effective mechanical mass incl. air load mms = 93 g
  • equivalent volume of compliance Vas = 205 l
  • total Q factor Qts = 0,28 (Qms=5,5, Qes=0,29)
  • voice coil diameter = 75,6 mm
  • mounting diameter d = 302,5 mm
  • overall diameter d = 346,2 mm
  • mounting depth (not countersunk) t = 146 mm
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