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SB Acoustics SB10PGC21-4 Full Range Speaker

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The SB Acoustics SB10PGC21-4 is a 3 inch 4 ohm full range loudspeaker drive unit featuring a woven glassfibre cone giving good dynamics and a transparent sound character with fine detail.

Key Features:

  • Low damping surround and non-conductive voice coil former.
  • Vented voice coil for heat exchange and reduced compression.
  • Light weight CCAW (copper clad aluminium) voicecoil.
  • Optimized glassfibre cone for smooth response.
  • Compact square chassis for versatile integration.

Basic parameters:

Resonant frequency (fs) 89 Hz Nominal impedance (Zn) 4 Ω
Mechanical  Q factor (Qms) 11.2 DC resistance (Re) 3.4 Ω
Electrical Q factor (Qes) 1.01
Max power handling 20 W
Total Q factor (Qts) 0.92
Sensitivity (2.83V/1m)
Equivalent volume (Vas) 1.2L Chassis (square)

Here's the full datasheet:

.pdf link