SB Acoustics SB12PFCR25-4-Coax

SB Acoustics SB12PFC25-4 Coax

• 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
• Non-resonant long life lead wires
• Compact large surround dome tweeter

Specifications

• power handling (continuous/programme) = 30 W
• frequency range = 60-20000 Hz
• resonance frequency fs = 58 Hz/1300 Hz
• impedance R = 4 Ohm
• sound pressure level SPL = 87 dB/89 dB (2,83V; 1m)
• DC resistance Re = 3.1 Ohm/3.0 Ohm
• force factor BL = 3.8 N/A
• voice coil inductance L = 0.26 mH
• effective piston radiating area Sd = 50 cm²
• effective mechanical mass incl. air load mms = 4.5 g
• equivalent volume of compliance Vas = 4.8 l
• total Q factor Qts = 0.33 (Qms=4.07, Qes=0.36)
• voice coil diameter = 25,4 mm
• mounting diameter d = 102 mm
• overall diameter d = 108.9mm
• mounting depth (not countersunk) t = 59 mm