Through the Gambling Control Division, the Department of Justice regulates all forms of gambling in Montana, except for the Montana Lottery and horse racing. The legislature has charged the division with maintaining a uniform regulatory climate that is fair and free of corrupt influences.
Because the amplifier is an active electronic device, it needs power, and so you have to put any active speakers near a power outlet. For most audio systems, the subwoofer is probably going to be your only active speaker (though you can also find passive subwoofers, and some high-end audio systems use these). Thereâs no practical reason for any of your other speakers to be active.
Apocalypse. The Apocalypse line consists of a single subwoofer: Model AP12D. AP12D is a 12-inch speaker and requires 1.5 cubic feet of air space for sealed enclosures and 2.0 cubic feet for ported enclosures.The RX line is Planet Audio's most extensive offering including 8, 10, 12 and 15-inch subwoofers.xample: 4,032 / 1,728 = 2.33 cubic feet. The air space/volume of this enclosure is 2.33 cubic feet. Planet Audio's Big Bang line of subwoofer consists of two 12-inch (models BB12D and BB212D) and two 15-inch subwoofers (BB15D and BB215D).