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SB Acoustics SB29SWNRX-S75-6 Norex Subwoofer

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The SB Acoustics SB29SWNRX-S75-6 is a 10 inch 6 ohm subwoofer featuring a hard paper (Norex) cone, a 4 layer 75mm voice coil and a vented cast aluminium chassis. High power handling of 200W.

A 12 inch version is also available: SB34SWNRX-S75-6

Key Features:

  • Hard Norex paper cone for improved piston operation (made in-house).
  • Vented pole piece for minimum compression.
  • Vented cast aluminium chassis for optimum strength and low compression.
  • 3″ copper voice coil (4-layer) for improved power handling.
  • Long life silver lead wires.
  • Low damping medium hardness rubber surround for improved linearity and power handling.
  • Non-conducting fibre glass voice coil former for minimum damping.

Basic parameters:

Resonant frequency (fs) 20 Hz Nominal impedance (Zn) 6 Ω
Mechanical  Q factor (Qms) 4.5
DC resistance (Re) 4.5 Ω
Electrical Q factor (Qes) 0.31
Max power handling 200W
Total Q factor (Qts) 0.29
Sensitivity (2.83V/1m)
Equivalent volume (Vas) 66L Chassis diameter

Here's the full datasheet:

.pdf link