The SB Acoustics SB34NRX75-16 12" woofer uses a large 3" voice coil on a cast aluminium chassis. Hard Paper proprietary cone materials made in-house for consistency. Low damping SBR rubber surround with high exertion and resilience. Open structure cast frame for reduced reflections and compression. Aluminium alloy for light weight, non-magnetic and extra rigidity. Shorting Copper cap on pole piece. Non-inductive 75mm coil former.
Features:
Designed for open baffle
High flow venting center pole
3" CCAW voice coil
Low dampening surround
Non-inductive voice coil former
Proprietary cone materials made-in-house
Cast Aluminium chassis
Specifications
power handling (continuous/programme) = 100 W
resonance frequency fs = 24,5 Hz
impedance R = 16 Ohm
sound pressure level SPL = 86 dB (2,83V; 1m)
DC resistance Re = 14,0 Ohm
force factor BL = 14,5 N/A
voice coil inductance L = 3,2 mH
effective piston radiating area Sd = 508 cm2
effective mechanical mass incl. air load mms = 72g
