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SB Acoustics SB12MNRX2-25-4

SB Acoustics SB12MNRX2-25-4 drawing

SB Acoustics SB12MNRX2-25-4 graph

SB12MNRX2-25-4

Categories: 2-6 inch Midrange Speaker Drive Units SB Acoustics Midrange Units

SB Acoustics SB12MNRX2-25-4 Midrange Speaker

£46.30

UK STOCK ITEM

The SB Acoustics SB12MNRX2-25-4 is a 4 inch 4 ohm midrange loudspeaker drive unit featuring a proprietary Norex (blended fibre composite) cone. A feature packed unit offering a finely detailed midrange performance.

Key Features:

Shortened voice coil optimised for pure midrange reproduction.
High damping Butyl rubber surround for low colouration.
Vented cast aluminium chassis for optimum strength and low compression.
CCAW voice coil for reduced moving mass.
Non-conducting fibre glass coil former for minimal damping.
Faraday shorting ring in motor system for reduced distortion.
Long life silver lead wires.

Basic parameters:

Resonant frequency (fs)	63.5 Hz	Nominal impedance (Zn)	4 Ω
Mechanical Q factor (Qms)	4.19	DC resistance (Re)	3.2 Ω
Electrical Q factor (Qes)	0.35	Max power handling	50 W
Total Q factor (Qts)	0.32	Sensitivity (2.83V/1m)	90.5dB
Equivalent volume (Vas)	5.3L	Chassis diameter	123mm

Here's the full datasheet:

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