sub enclosure type

Hi all , im new on here so be gentle . ive went and done things the wrong way round (as usual) and seen subs bought them and then thought about how to fit them . I was going for a simple sealed enclosure for my 2 focal 33a 13" 400wrms subs , but the thing is in the destructions that come with them it only gives box dimensions for a ported enclosure so im wondering if i put them in a sealed unit will it damage my new babies? i dont want big boomy bass but tight stuff for quality so a bit confused about where to go from here any ideas appreciated Craigalfa155.com

thank D but ive got this info on the sub but i think youve got mixed up info as mine is fs 47.37hz , qts0.575 , vas 27.12 litres and xmax 7.5mm and they are french im not trying to sound off but letting you know .alfa155.com

anyone else got any suggestions on this ? anyone using these speakers are they too boomy in a vented box?after all i do have to carry the little one around in the car sometimes. alfa155.com

     I ran those specs on WinIsd Pro  and on Blaubox and it seems like a 53 litres enclosure should be fine for them. I say try it and see how they sound.

Thanks a lot bd166 , sorry to go on but was that a single woofer enclosure or for both in one box i tried blaubox but got quite confused by it all as i said im new to all this thiel buisness and im trying to get as many opinions as poss thanks again for your time , ps if your ever in liverpool england ill show you how it turned out !!!!!!alfa155.com