How many dbs?

84linc Bronze Member Username: Fatkid Post Number: 16 Registered: Dec-05	Posted on Monday, August 21, 2006 - 21:33 GMT if i have one 12" sub in a ported box with a 500 watt amp to it and i get another identical sub and amp how many more db's am i going to gain? right now i can hit 127 in the front seat
JustBlaze Bronze Member Username: Justblaze St.Louis, MO USA Post Number: 94 Registered: Jun-06	Posted on Tuesday, August 22, 2006 - 05:11 GMT i would imagine you could hit maybe 135 ish with the other sub in. thats just a guess, im not going on any actual method or anythign.
andy F Silver Member Username: Andysd03 Post Number: 384 Registered: Jan-06	Posted on Tuesday, August 22, 2006 - 12:50 GMT en extra sub is 3 to 6 more db more and anoter sub and amp? that means twice the power and twice the surface area.. so id say around 6 db ud gain