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SB Acoustics SB23CACS45-8 Ceramic Woofer

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Shallow Profile Ceramic Woofer:

The SB Acoustics SB23CACS45-8 is a 8 inch 8 ohm woofer / bass speaker featuring a geometrically reinforced ceramic cone, a low distortion motor system and a vented cast aluminium chassis. The ceramic layer is bonded to an aluminium substrate, this combination of materials results in an excellent stiffness to damping ratio. A very low distortion design for applications with restricted rear depth.

Also available in 4 ohms: SB23CACS45-4.

Key Features:

  • Soft low damping rubber surround for improved transient response.
  • Geometrically reinforced ceramic cone for improved break-up control.
  • Shorting ring in motor system for reduced distortion.
  • Vented pole piece for reduced compression.
  • Vented cast aluminium chassis for optimum strength and low compression.
  • Non-conducting fibre glass voice coil former for minimum damping.
  • CCAW voice coil for reduced moving mass.
  • Long life silver lead wires.
  • Shallow design.

Basic parameters:

Resonant frequency (fs) 25 Hz Nominal impedance (Zn) 8 Ω
Mechanical  Q factor (Qms) 5.41
DC resistance (Re) 5.6 Ω
Electrical Q factor (Qes) 0.44
Max power handling 50 W
Total Q factor (Qts) 0.40 Sensitivity (2.83V/1m) 87.5dB
Equivalent volume (Vas) 87L Chassis diameter
234mm

Here's the full datasheet:

.pdf link

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