The SB Acoustics Satori MR16PNW-4 is a high performance 6½ inch 4 ohm midrange loudspeaker drive unit featuring a unique composite cone made of paper and Egyptian Papyrus™ fibres. This drive unit is essentially the same as the MR16P-4 but features an undyed cone presented in it's natural finish. The colourant added to the MR16P-4 adds a touch of damping at the upper frequency extreme as can be seen if you carefully compare the frequency response graphs.
Also available in 8 ohms: MR16PNW-8
Vented aerodynamic cast aluminium chassis for optimum strength and low compression.
Proprietary cone material with EGYPTIAN PAPYRUS™ fibres made in-house.
Soft low damping rubber surround for optimum transient response.
Advanced BIMAX spider for improved linearity.
Powerful optimized low distortion neodymium motor system.
Non-conducting fibre glass voice coil former for minimum damping.
Extended copper sleeve on pole piece for low inductance and reduced distortion.
Long life silver lead wires attached 180° apart for improved stability.
Vented pole piece and coil former for reduced compression.
Gasket and bolt hole protrusions for reduced coupling to speaker cabinet.
CCAW voice coil for reduced moving mass.
Mode balanced cone for reduced break-up.
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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