The SB Acoustics SB23NRXS45-8 is an 8 inch 8 ohm woofer / bass speaker featuring a Norex cone, a 45mm voice coil and a shallow profile vented cast aluminium chassis. Norex is a proprietary paper based material comprised of wood pulp and selected natural fibres blended for an optimally strong but lightweight cone that gives extended pistonic action. A versatile unit designed for applications with restricted rear depth.
Also available in 4 ohms: SB23NRXS45-4.
Soft low damping rubber surround for improved transient response.
Shorting ring in motor system for reduced distortion.
Vented pole piece for reduced compression.
Vented cast aluminum 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 chassis design.
Resonant frequency (fs)
Nominal impedance (Zn)
Mechanical Q factor (Qms)
DC resistance (Re)
Electrical Q factor (Qes)
Max power handling
Total Q factor (Qts)
Equivalent volume (Vas)
Here's the full datasheet:
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