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SB16PFCR25-4

SB Acoustics SB16PFCR25-4 Paper Midwoofer

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UK STOCK ITEM

The SB16PFCR25-4 by SB Acoustics is a 6 inch 4 ohm midwoofer speaker featuring a blended paper fibre cone, a vented reinforced plastic chassis and an optimised motor system with a high power ferrite magnet. Good efficiency, smooth extended response, excellent value.

Also available in 8 ohms: SB16PFCR25-8.

Key Features:

  • Vented reinforced plastic chassis.
  • Proprietary cone material with natural fibers made in-house.
  • Soft low damping rubber surround for improved transient response.
  • Optimised motor system.
  • Vented coil former for low compression.
  • Non-resonant long life lead wires.

Basic parameters:

Resonant frequency (fs) 35 Hz Nominal impedance (Zn) 4 Ω
Mechanical  Q factor (Qms) 32.76
DC resistance (Re) 3.2 Ω
Electrical Q factor (Qes) 0.39
Max power handling 40 W
Total Q factor (Qts) 0.34
Sensitivity (2.83V/1m)
89.5dB
Equivalent volume (Vas) 32.7L
Chassis diameter
176mm

Here's the full datasheet:

.pdf link

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