SB Acoustics

SB Acoustics SB34NRX75-6 12'' Norex Hard paper cone Woofer

Rs. 23,199.00 Rs. 21,900.00 Save 6% Sold out

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SB Acoustics SB34NRX75-6 12'' Norex Hard paper cone Woofer

Features

  • High flow venting center pole
  • 3″ voice coil
  • Low dampening surround
  • Non-inductive voice coil former
  • Proprietary cone materials made-in-house
  • Cast Aluminium chassis

Specifications

  • Nominal Impedance 6 ?
  • DC resistance, Re 4.2 ?
  • Voice coil inductance, Le 1.8 mH
  • Effective piston area, Sd 508 cm2
  • Voice coil diameter 75.6 mm
  • Voice coil height 28 mm
  • Air gap height 6 mm
  • Linear coil travel (p-p) 22 mm
  • Magnetic flux density 0.9 T
  • Magnet weight 2.1 kg
  • Net weight 6.02 kg
  • Free air resonance, Fs 19 Hz
  • Sensitivity (2.83V/1m) 90 dB
  • Mechanical Q-factor, Qms 5.1
  • Electrical Q-factor, Qes 0.43
  • Total Q-factor, Qts 0.40
  • Moving mass incl. air,Mms 99 g
  • Force factor, Bl 10.7 Tm
  • Equivalent volume, Vas 260 liters
  • Compliance, Cms 0.71 mm/N
  • Mechanical loss, Rms 2.3 kg/s
  • Rated power handling* 200 W

* IEC 268-5, T/S parameters measured on drive units that are broken in.

Customer Reviews

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S
Shuvam
Excellent 12" woofer

This is a classic 12" of very high quality, delivering high power (for domestic, not discotheque or rock concerts) and very solid cast metal basket. The driver is very sturdy, and the sound is very clean in the bass. I used it in a sealed floorstander with MR16 and TW29BN. It lends itself to very good active equalisation. I am docking one star from this only because it needs a pretty large sealed box. I regret not using the SB34NRX75-8 instead -- that driver, though significantly more expensive, can deliver similar punch with an enclosure half this size. Other than the box size, there is zero issue with the driver. Distortion is very low, other than the 2nd harmonic distortion which is always there with large paper cone woofers.