2005 Alpine Type R

i just put my type r 12 in my truck. i built a sealed box for it going by the "optimal box dimentions" in the instrutions it comes with, ive got it wired in parallel to 2 ohms. i just thought it would hit harder then it is right now, esspecially because its in a sealed box. its hooked up to a sony mono d amp that runs 400 watts rms at 2 ohms so it should hit pretty good, anyone know why its not hitting as hard as i hoped?1993 Ford Ranger.

Head Unit.Alpine CDA-9831

Front Speakers.Infinity 6010 Reference Series

Amp.Alpine MRD-M1005

Subs.3 Kicker CVR10

Rear Speakers.SPL CS-573

20" Boss 312's, lowered 3/4

Describe the box you built. Is it well sealed? What are it's dimentions?There is no such thing as free installation!

the box is pretty much a square. 13"x13"x12.5" its what the sub calls for and its the way i built it. those are the outside dimentions. its sealed perfectly, silicone everywhere inside, cant feel any air coming out of it at all. used 3/4" mdf too, doubled the face just like you should.1993 Ford Ranger.

Head Unit.Alpine CDA-9831

Front Speakers.Infinity 6010 Reference Series

Amp.Alpine MRD-M1005

Subs.3 Kicker CVR10

Rear Speakers.SPL CS-573

20" Boss 312's, lowered 3/4

How do you have the amp setup, what are the filters set to, etc?

I usually use 500 RMS for this woofer and even in a sealed box they get pretty loud. If your Sony is actually putting out 400 RMS the deference should be very slight , like 1db. I would try another brand of amp with a little bit better rep. There is no such thing as free installation!

ive played with them a bit, ive got lpf, bass boost, and level, ive been playing with them a bit, and it seems like the sub is getting to many watts and is starting to snap a bit, and it shouldn't cause that amp is only rated 400 watts rms, per channel at 2ohms. and the sub handles well over 500 and its sealed, so it should take more power to make it hit hard, would i just have to break the sub in more? cause it is brand new?1993 Ford Ranger.

Head Unit.Alpine CDA-9831

Front Speakers.Infinity 6010 Reference Series

Amp.Alpine MRD-M1005

Subs.3 Kicker CVR10

Rear Speakers.SPL CS-573

20" Boss 312's, lowered 3/4

yah thats what i was thinking, i am gonna go get the MRD-1005 from alpine thats new this year, it cranks out 1000 watts rms at 2 ohms and ill just keep the gain down for now till i go get another type r? what do you think?1993 Ford Ranger.

Head Unit.Alpine CDA-9831

Front Speakers.Infinity 6010 Reference Series

Amp.Alpine MRD-M1005

Subs.3 Kicker CVR10

Rear Speakers.SPL CS-573

20" Boss 312's, lowered 3/4

where do you want the lpf set? give me what you think will be the best setting and ill try it, im out of ideas right now, and i wanna hear everyones opinion. thanks everybody.1993 Ford Ranger.

Head Unit.Alpine CDA-9831

Front Speakers.Infinity 6010 Reference Series

Amp.Alpine MRD-M1005

Subs.3 Kicker CVR10

Rear Speakers.SPL CS-573

20" Boss 312's, lowered 3/4

Wait, on your first post you said the amp was a "D" block which a single channel woofer amp. On your last post you said it was 400 watts " per channel" this is a big differance, which one is it? No, woofers don't need a break in period. and no this woofer should not be run with " well over 500 watts", it's rating from Alpine is 500 watts RMS max.There is no such thing as free installation!