The SB Acoustics SB29NRX75-8 is a 10 inch 8 ohm woofer / bass speaker featuring a Norex cone, a high power 75mm voice coil and a 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.
Also available in 6 ohms: SB29NRX75-6.
Hard paper cone for improved piston operation (made in-house).
Vented pole piece for minimum compression.
Vented cast aluminium chassis for optimum strength and low compression.
3″ / 75mm copper voice coil for improved power handling.
Long life silver lead wires.
Low damping rubber surround for improved dynamic linearity.
Non-conducting fibre glass voice coil former for minimum damping.
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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