SB Acoustics SB15SFCR39-8

SB Acoustics SB15SFCR39-8

• Racetrack design
• Hard paper cone (made in-house)
• Optimized motor system
• Non-conductive reinforced vented coil former
• Symmetric suspension
• Low damping rubber surround
• Long life silver lead wires
• Vented chassis

Specifications

• power handling (continuous/programme) = 50 W
• resonance frequency fs = 32 Hz
• impedance R = 8 Ohm
• sound pressure level SPL = 87 dB (2,83V; 1m)
• DC resistance Re = 6,2 Ohm
• force factor BL = 8,0 N/A
• voice coil inductance L = 1,3 mH
• effective piston radiating area Sd = 178 cm²
• effective mechanical mass incl. air load mms = 23 g
• equivalent volume of compliance Vas = 48,3 l
• total Q factor Qts = 0.42 (Qms=7.11, Qes=0.45)
• voice coil diameter = 38,5 mm
• mounting diameter d = 219,3 x 120,6 mm
• overall diameter d = 253 x 153 mm
• mounting depth (not countersunk) t = 84,7 mm