SB Acoustics SB16PFC25-4

SB Acoustics SB16PFC25-4 6" Woofer

• Vented reinforced plastic chassis
• Proprietary cone material with natural fibers made in-house
• Soft low damping rubber surround for improved transient response
• Optimized motor system
• Vented coil former for low compression
• Non-resonant long life lead wires

Specifications

• power handling (continuous/programme) = 40 W
• frequency range = 40-12000 Hz
• resonance frequency fs = 35 Hz
• impedance R = 4 Ohm
• sound pressure level SPL = 89.5 dB (2,83V; 1m)
• DC resistance Re = 3.2 Ohm
• force factor BL = 5.0 N/A
• voice coil inductance L = 0.56 mH
• effective piston radiating area Sd = 124 cm²
• effective mechanical mass incl. air load mms = 13.8 g
• equivalent volume of compliance Vas = 32.7 l
• total Q factor Qts = 0.34 (Qms=2.76, Qes=0.39)
• voice coil diameter = 25,4 mm
• mounting diameter d = 144.5 mm
• overall diameter d = 160.5mm
• mounting depth (not countersunk) t = 76.7 mm