Descrizione

GENERAL SPECIFICATIONS Nominal diameter mm (in) 70 (3) Nominal Impedance Ohm 8 Minimum impedance Ohm 6,9 Program power W 60 AES Power rating W 30 Sensitivity dB 85,5 Frequency range Hz 100 2000 Voice coil diameter mm (in) 20 (0.75) Chassis material Steel Magnet material Ferrite Magnet dimensions OD x ID x h mm (in) 70 x 32 x 15 (2.76 x 1.26 x 0.6) Coil material Copper Former material Glass Fiber Cone material Aluminium Surround material Rubber Xmax mm (in) 3,3 (0.13) Xmech mm (in) 4,3 (0.17) Gap height mm (in) 4 (0.16) Voice coil winding height mm (in) 8,5 (0.33) Driver displacement volume l (ft ) 0,111 (0.004) SMALL SIGNAL PARAMETERS DC resistance Ohm 6,12 Resonance frequency Hz 109 Moving mass g (oz) 3,5 (0.12) Compliance mm/N 0,6 Force factor N/A 4,58 Mechanical Q-factor 4 Electrical Q-factor 0,7 Total Q-factor 0,6 Equivalent air volume l (ft3) 0,95 (0.03) Voice coil inductance mH 0,35 Diaphragm area cm2 (in.2) 33 (5.12) Reference efficiency 0,17 %

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