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SB Acoustics SW26DBAC76-4 Shallow Subwoofer

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The SW26DBAC76-4 from SB Acoustics is a 4 ohm shallow design long throw subwoofer featuring a 10 inch aluminium cone and a vented cast aluminium chassis. With a rear clearance depth of just 70.5mm the SW26DBAC76-4 is very adaptable and can be mounted in quite confined positions adding high quality sub-bass in all but the smallest of spaces. This drive unit is optimised for sealed cabinets.

Also available in 8 ohms: SW26DBAC76-8.

Dual voice coil version: SW26DBAC76-3-DV.

Key Features:

  • Unique patented long throw shallow design.
  • Vented cast aluminum chassis for optimum strength and low compression.
  • Dual rigid aluminum cone structure.
  • Non-conducting fibre glass coil former for minimum damping.
  • Shorting ring in motor system for reduced distortion.
  • 3" copper voice coil for improved power handling.
  • Long life insulated silver lead wires.
  • Powerful neodymium motor system.

Basic parameters:

Resonant frequency (fs) 22 Hz Nominal impedance (Zn) 4 Ω
Mechanical  Q factor (Qms) 4.5
DC resistance (Re) 3.2 Ω
Electrical Q factor (Qes) 0.51
Max power handling 200W
Total Q factor (Qts) 0.46
Sensitivity (2.83V/1m)
86dB
Equivalent volume (Vas) 54L Chassis diameter
290mm

Here's the full datasheet:

.pdf link

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