mounted on ¾ inch plywood baffle board, color coded leads for buyer supplied rheostat to connect to crossover. horn loaded tweeter, 12" coaxial speaker JENSEN H222 ; vintage is 1959, described as 16 ohm impedance,  30-15,000 cps response, compression driver, horn loaded tweeter with crossover at 2,000 cps, wired for balance control (not supplied) any linear potentiometer will suffice.  baffle opening 10 ½ " , 1 ¾ pound DP ALNICO magnet.  fedex ground shipping, 25 pounds. no cabinet provided.