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SB15MFC30-8

SB Acoustics SB15MFC30-8 Polypropylene Midwoofer

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The SB Acoustics SB15MFC30-8 is a 5 inch 8 ohm midwoofer featuring a polypropylene cone and a vented cast alloy chassis. Excellent extended response and very easy to work with. One of our favourite drive units !

Also available in 4 ohms: SB15MFC30-4.

Key Features:

  • Vented cast aluminium chassis for optimum strength and low compression.
  • Mineral filled PP-cone made in-house.
  • Soft low damping rubber surround for improved transient response.
  • Non-conducting fibre glass voice coil former for minimum damping.
  • Extended copper sleeve on pole piece for low inductance and low distortion.
  • CCAW voice coil for reduced moving mass.
  • Long life silver lead wires.
  • Vented pole piece for reduced compression.

Basic parameters:

Resonant frequency (fs) 39 Hz Nominal impedance (Zn) 8 Ω
Mechanical  Q factor (Qms) 4.4
DC resistance (Re) 5.7 Ω
Electrical Q factor (Qes) 0.4
Max power handling 50 W
Total Q factor (Qts) 0.37
Sensitivity (2.83V/1m)
87dB
Equivalent volume (Vas) 17.7L Chassis diameter
150mm

Here's the full datasheet:

.pdf link

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