SB Acoustics SB13PFC25-4

SB Acoustics SB13PFC25-4 5" 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 = 50-12000 Hz
• resonance frequency fs = 44 Hz
• impedance R = 4 Ohm
• sound pressure level SPL = 89 dB (2,83V; 1m)
• DC resistance Re = 3.2 Ohm
• force factor BL = 5.3 N/A
• voice coil inductance L = 0.56 mH
• effective piston radiating area Sd = 87 cm²
• effective mechanical mass incl. air load mms = 10.5 g
• equivalent volume of compliance Vas = 13.4 l
• total Q factor Qts = 0.49 (Qms=2.6, Qes=0.33)
• voice coil diameter = 25,4 mm
• mounting diameter d = 122 mm
• overall diameter d = 134.5mm
• mounting depth (not countersunk) t = 69 mm