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What size box and amp for 4 10" mtx woofers?

 

j brower
Unregistered guest
I have two twleves right now, but I know very little about what box size and amp to use for my new woofers. I am making my own box. Im not sure whether to make it sealed, or ported. actually, i dont even know what they mean. My woofers are
125rms/250 watts total, and 4 ohm. What is rms? and what size amp should I use? Should I wire in series or parallel? I have my wood cut for my box. It is 31"x22"x16". Is that ok for all four? Please any suggestions are greatly appreciated. Thanks, Jeff
 

Silver Member
Username: Symplestiles

Stockton, CA Usa

Post Number: 225
Registered: Aug-04
that box size will give you around 6.31cuFT total. what are the specs on your subs? depending on how many cuft each sub needs will let you know if that box size is better for being sealed or ported. sealed tends to have better SQ than a ported enclosure but lacks the SPL benifit. ported gets louder and can even sound better than sealed if done correctly. find out the specs and youll be good to go. the rms rating is the one you want to look at when determining an amp.. 125 x 4 = 500 watts. since your subs are 4ohms a piece (im assuming SVC) then you can wire them down to a 1 ohm load, or a 4 ohm load. consider the JBL bp600.1 or the kicker 600.1 either amp would work great. if you want to search around look for any amp thats stable @ 1 ohm and pushes 500watts (or slightly more) check this out for your wiring http://www.rockfordfosgate.com/rftech/wiringwizard.asp?WoofQty=4+woofers&WoofImp =Single+Voice+Coil+-+4+ohms&image.x=12&image.y=7
 

Gold Member
Username: Its_bacon12

Hfl, Ny Usa

Post Number: 1031
Registered: Dec-03
hifonics brutus bx500d is a perfect amp for them putting 500wrms at 1 ohm...
 

j brower
Unregistered guest
thanks alot for you help. What other specs are you looking for? here is the link from when I bought them
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem%26item%3D5724121133&ssPageName=ADM E:B:EOAB:US:6
Thanks, Jeff
 

j brower
Unregistered guest
thanks alot for you help. What other specs are you looking for? here is the link from when I bought them
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem%26item%3D5724121133&ssPageName=ADM E:B:EOAB:US:6

Thanks, Jeff
 

j brower
Unregistered guest
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem%26item%3D5724121133&ssPageName=ADM E:B:EOAB:US:6
 

Silver Member
Username: Insearchofbass

Post Number: 962
Registered: Jun-04
if those measurements 31" 22" 16" are external the airspace internal is 5.075 cubic ft. the 6.31 cf is if it is internal measurements two inches or two pounds of insulation would bring you back to 6.00 cf if you do need the box volume boost again
 

j brower
Unregistered guest
How many cubic ft of internal airspace should I have for them? thanks, jeff
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