Tesla ARO 942 Bass Cinema Loudspeaker Klangfilm 15” alnico rare, 1960, made in Czechoslovakia

Technical parameters:

Speaker designation: ARO 942
Dimensions [mm]: 390
Impedance [ohm]: 30
Maximum power input [W]: 15
Own resonance [Hz]: 24
Frequency range [Hz]: 24-4,000
Characteristic Sensitivity [dB]: 98
Weight [kg]: 10.20