SB Acoustics SB12NRXF25-4 4" MidWoofer is an excellent SB Acoustics Ferrite magnet midrange/midwoofer, featuring a high efficiency foam surround.
Fitted with a proprietary composition paper cone, 1" voice coil. Very open cast frame for minimal reflections. Fs 61Hz, good level extended response up to 5KHz..
Very good value. For a rubber surround version, see SB12NRX25-4
Priced individually, supplied in pairs.
A Product Datasheet can be downloaded by clicking on the appropriate .pdf logo (where shown).
|Nominal Impedance||4 ohm|
|Nominal Power RMS||30W|
|Vas ( l)||4.10 l|
|Nominal Free Air Resonance Fs||61 Hz|
|Sensitivity (2.83V/1m)||87 dB|
|Nominal Rdc||3.10 ohm|