<font color='#000000'>I have a pair of 1978 Ohm H loudspeakers. They came with a low tweeter, high tweeter, 8" woofer and 12" passive radiator.
I just notice that the passive radiators needed to be refoamed.
I somehow got a crazy idea to upgrade them by replacing the 12" radiators with 12" woofers or subwoofers and replacing the 8" woofers with 8" midranges. Is this a realistic idea or a stupid one.</font>