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SB Acoustics SB34SWPL76-4 Paper Cone Subwoofer

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The SB34SWPL76-4 from SB Acoustics is a 12 inch 4 ohm subwoofer featuring a very stiff hard paper cone, a vented cast aluminium chassis and a large vented motor system. This Long throw design has a low Fs of 19 Hz and a huge 30mm peak to peak stroke for powerful reproduction of the lowest bass notes.

Also available with dual voice coils: SB34SWPL76-3-DV.

Key Features:

  • Long stroke design.
  • Linear high stability suspension.
  • Low damping rubber surround.
  • 3"copper voice coil.
  • Non-conducting reinforced fibre glass coil former.
  • Very stiff hard paper cone (made in-house).
  • Vented cast aluminium chassis.
  • Large vented motor system and vented coil-former.
  • Long life silver lead wires.

Basic parameters:

Resonant frequency (fs) 19 Hz Nominal impedance (Zn) 4 Ω
Mechanical  Q factor (Qms) 8.6
DC resistance (Re) 3.5 Ω
Electrical Q factor (Qes) 0.34
Max power handling 300W
Total Q factor (Qts) 0.33
Sensitivity (2.83V/1m)
85dB
Equivalent volume (Vas) 78.5L Chassis diameter
346mm

Here's the full datasheet:

.pdf link

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