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SB17NBAC35-8

SB Acoustics SB17NBAC35-8 Aluminium Midwoofer

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The SB Acoustics SB17NBAC35-8 is a 6 inch 8 ohm midwoofer featuring a black aluminium cone and a vented cast alloy chassis. The rigid cone has pressed geometric reinforcement troughs that suppress ringing / breakup modes offering extended pistonic action, this results in a much wider usable response than normally found with metal coned drive units.

Also available in 4 ohms: SB17NBAC35-4.

Key Features:

  • Vented cast aluminium chassis for optimum strength and low compression.
  • Geometrically reinforced aluminum cone for optimum piston operation and reduced break-up.
  • 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) 31.5 Hz Nominal impedance (Zn) 8 Ω
Mechanical  Q factor (Qms) 4.1
DC resistance (Re) 5.7 Ω
Electrical Q factor (Qes) 0.38
Max power handling 60 W
Total Q factor (Qts) 0.35
Sensitivity (2.83V/1m)
86.5dB
Equivalent volume (Vas) 45L Chassis diameter
171mm

Here's the full datasheet:

.pdf link

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