Excellent conditions and very powerful speakers. Dual subs in each cabinet. These are vintage speakers and can be tested. Type: 4 way, 5 driver loudspeaker system. Frequency Response: 23Hz to 30kHz. Recommended Amplifier: 50 to 300W. Crossover Frequency: 200, 1200, 7000Hz. Bass: 2 x 250mm acoustic suspension. Midbass: 1 x 200mm acoustic suspension. Midrange: 1 x 38mm hemispherical dome. Tweeter: 1 x 19mm hemispherical dome. Dimensions: 1102 x 368 x 386mm.