Pauliesnite93 Posted August 14, 2010 Report Share Posted August 14, 2010 what size box for two aq hdc3 18s. they are running off a audiopipe 30001d. as of now i have them in 13 ft3 tuned to 37 hz sub up port back. is the normal for these subs. my next box i want to try sub up port up. im goin to have it cut out on a cnc mashen. Whip:2004 Ford Expedition Headuint:Pioneer AVH-P4200DVD Alt:MechMan 270 Amp Big 3: Yes Rear batts:2x Kinetik HC2400 Power Wire:carolprene 0/2 welding wire Volt Meter:X Scorpion Front stage:Kicker KS6502 Rear stage:Polk audio 6x8s High Amp:Boston acoustic GT-4100 Sub stage:Audio Que HDC3 18s Copper Coils D2 Low Amp:Audiopipe AP30001D Box:6ft3 96in2 34hz 146.8 dbs @ 35hz Sealed up Link to comment Share on other sites More sharing options...
big dee Posted August 15, 2010 Report Share Posted August 15, 2010 what size box for two aq hdc3 18s. they are running off a audiopipe 30001d. as of now i have them in 13 ft3 tuned to 37 hz sub up port back. is the normal for these subs. my next box i want to try sub up port up. im goin to have it cut out on a cnc mashen. go to audioque and see what it says about air space for em Link to comment Share on other sites More sharing options...
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