Alpine type R

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langer06

Member - Posts: 9

Joined: July 20, 2006

Posted: July 20, 2006 at 8:36 AM / IP Logged

I just recently had system installed in 2006 Ranger ext. cab. Pio 6800MP hu, Alpine M650 amp running 600 Watts RMS @ 2ohms to an alpine type R 4ohm. The sub box is a bassworx SW12B (Sealed wedge style, 1 cubic foot). Installer used 8 gauge power wire... Im not exactly impressed with the sound of this sub, I know its a decent sub.. was wondering if a different box would help?? Would 4 gauge power wire help? Im turning the deck volume into high 30s with less than impressive bass.. any thoughts would help.

Now Im regretting not getting a type X with alpine 1005 amp.

slipone

Member - Posts: 46

Joined: April 20, 2006

Location: United States

Posted: July 20, 2006 at 8:51 AM / IP Logged

i have an alpine type r swr 1241d. and im only feeding it 200w at 2ohms at the moment. my opinion, this is a really good speaker. for advice on your question, i think he shouldve used 4 ga. but ill leave that advice to the other pros on here. like i said, i <3 type-r

Proudly stuffing large packages into small boxes since 1983.

xtremej

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Joined: February 24, 2006

Location: United States

Posted: July 20, 2006 at 11:03 AM / IP Logged

I having similiar issues with a type s alpine same amp. I used a box with 1.15 cube perside stuffed with polyfill. Its ok but nothing to pee over. Its been suggested to build a bigger box, it will ultimately be the customers decision. Also your installer should have used a minimum of 4 gauge. Get a bigger box, and I would have the run 4 gauge or 2 gauge.

slipone

Member - Posts: 46

Joined: April 20, 2006

Location: United States

Posted: July 20, 2006 at 11:27 AM / IP Logged

what model number type-r is it? i building my box this weekend to 2.4 cu ft. slot ported at a right angle 1" x 14.5" at 17" in length, tuned to 28hz. i intend on taking pics of the build and SPL testing. i will post.

Proudly stuffing large packages into small boxes since 1983.

aznboi3644

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Joined: May 01, 2006

Location: United States

Posted: July 21, 2006 at 2:25 AM / IP Logged

I had two Type R's in a custom ported box that I built with about 240 watts rms to each and it sounded great...don't know whats wrong with your sub though.

stevdart

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Joined: January 24, 2004

Location: Pennsylvania, United States

Posted: July 21, 2006 at 5:40 PM / IP Logged

langer06: Use a box twice that size, vented. Get some pro help in designing it. If you have any more questions, post the model number of the sub in question.

Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.

a568272

Member - Posts: 13

Joined: February 12, 2006

Location: United States

Posted: July 21, 2006 at 7:46 PM / IP Logged

Are you sure that your installer wired the voice coils in parallel? I know you said the amp was running at two ohms, but are you sure?

langer06

Member - Posts: 9

Joined: July 20, 2006

Posted: July 22, 2006 at 3:45 AM / IP Logged

It's a SWR-1242D, is a ported box recommended over sealed for this sub? If so can you recommend what size and tuned to what.

langer06

Member - Posts: 9

Joined: July 20, 2006

Posted: July 22, 2006 at 3:46 AM / IP Logged

a56, no Im not sure, I woulda thought with this amp the sub woulda pounded, maybe I was expecting too much...

boardinbum

Silver - Posts: 358

Joined: February 07, 2005

Location: United States

Posted: July 22, 2006 at 4:01 AM / IP Logged

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