USAF huh, nice same here, No comparison the ap/spl is a PURE SPL SUB awsome subs for Usac SB classes, the TC9 is LOUD, lacks the low end of the Atomic, YES I HAVE TRIED/OWNED BOTH
Basically a 12" TC9 with dual-2 ohm coils. All-black motor, black 4-spoke basket, black cone, carbon fiber basket. Dave called it the stealth bomber of subwoofers.//content.invisioncic.com/y282845/emoticons/yumyum.gif.0556df42231b304b9c995aefd13928a8.gif