SB Acoustics SB42FHCL75-6

SB Acoustics SB42FHCL75-6 15" Woofer

• Light weight rigid honeycomb cone (hard paper honeycomb with fiber glass skin layers)
• 3" copper voice coil for improved power handling
• Long life silver lead wires
• Vented pole piece for minimum compression
• Vented cast aluminum chassis for optimum strength and low compression
• Low damping rubber surround for improved dynamic linearity
• Non-conducting fiber glass voice coil former for minimum damping
• Large motor system

Specifications

• power handling (continuous/programme) = 300 W
• resonance frequency fs = 18.4 Hz
• impedance R = 6 Ohm
• sound pressure level SPL = 93 dB (2,83V; 1m)
• DC resistance Re = 4,6 Ohm
• force factor BL = 16,7 N/A
• voice coil inductance L = 2,1 mH
• effective piston radiating area Sd = 850 cm²
• effective mechanical mass incl. air load mms = 166 g
• equivalent volume of compliance Vas = 462 l
• total Q factor Qts = 0.31 (Qms=7.4, Qes=0.32)
• voice coil diameter = 75,6 mm
• mounting diameter d = 376 mm
• overall diameter d = 417 mm
• mounting depth (not countersunk) t = 170,3 mm