Lavoce SSF122.50 12" 8Ohm

GENERAL SPECIFICATIONS
Nominal diameter mm (in.) 300 (12)
Nominal impedance Ω 8
Minimum impedance Ω 6,4
Program power (1) W 800
AES Power rating (2) W 400
Sensitivity (3) dB 93
Frequency range Hz 40 ÷ 500
Voice coil diameter mm (in.) 65 (2.5)
Chassis material Steel
Magnet material Ferrite
Magnet dimensions OD x ID x h mm (in.) 193 x 80 x 25 (7.59 x 3.15 x 0.94)
Coil material CCAW
Former material Glass Fiber
Cone material Water Proof Treated Paper
Surroud material Rubber
Xmax (4) mm (in.) 11,5 (0.45)
Xmech (5) mm (in.) 17 (0.67)
Gap height mm (in.) 10 (0.39)
Voice coil winding height mm (in.) 28 (1.1)
Driver displacement volume l (ft3 ) 2,9 (0.1)

SMALL SIGNAL PARAMETERS
DC resistance Re Ohm 5,4
Resonance frequency Fs Hz 41
Moving mass Mms g (oz) 101 (3.56)
Compliance Cms mm/N 0,14
Force factor BxL N/A 17,3
Mechanical Q-factor Qms 2,9
Electrical Q-factor Qes 0,46
Total Q-factor Qts 0,41
Equivalent air volume Vas l (ft3 ) 59 (2.08)
Voice coil Inductance Le mH 1,30
Diaphragm area Sd cm2 (in.2 ) 531 (82.31)
Reference efficiency Eta 0 % 0,80