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Making a return to car audio system building! Questions...
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<blockquote data-quote="GCAdidas13" data-source="post: 7233157" data-attributes="member: 557864"><p>Hello, I'm Brian from central Ohio..</p><p></p><p>I recently purchased a 2006 Mazda 3 Hatchback.</p><p></p><p>I need suggestions on what to do with my current equipment in my new vehicle.</p><p></p><p>Equipment:</p><p></p><p>Sound Processor: Alpine PXA-H700</p><p></p><p>Amplifiers:</p><p></p><p>- PPI PCX4125 (4 x 125 @ 4ohm)</p><p></p><p>- PPI PCX2200 (2 x 200 @ 4ohm)</p><p></p><p>- PPI PCX440 (4 x 40 @ 4ohm)</p><p></p><p>Midranges: B&amp;C 8NDL51</p><p></p><p>Horns: ID CD2 Minibody</p><p></p><p>Subs: 2x 15" Ascendant Audio Avalanches DVC2</p><p></p><p>I have fiberglass experience</p><p></p><p>I can build sub boxes</p><p></p><p>Previous Install:</p><p></p><p>In my previous install (1997 Camry) I had the midranges in sort-of big kickpanels powered by the PCX4125, but the midrange was really ****** at 400 and 800 hz. Basically these frequencies would distort heavily at moderate volume or higher unless attenuated. I do not know if this is attributed to the midrange or the box, could be either. At this point I am highly considering getting new midranges. I do not want to install midranges to the door.</p><p></p><p>The horns were on the PCX440. They have been fine but overall very difficult to EQ as I do not have an RTA. I'm kind of considering getting a traditional tweeter but it's not something that I see likely. This will be one of those things where I install and see how it sounds first.</p><p></p><p>The subs were on the PCX2200. They were in 4.5 cubic feet, sealed, forward-facing in the front of the trunk, with MDF cut so that the baffle of the box was sealed into the cabin of the vehicle (basically a mini-wall). Overall the sound was good but not loud enough. I'm trying to decide if I should port them or just get more power to them. They will need 4.5 cubes sealed or 8-9 cubes ported and tuned low (~25-28 hz).</p><p></p><p>I haven't had a head unit in a while, either. I just run an audio signal directly to the sound processor. Normally I feed it with a Ultra-Mobile PC (UMPC) which was mounted to my dashboard but I think until I can fab something up for the Mazda dash I will be feeding it with an iPod thru the headphone jack.</p><p></p><p><strong>Anyway, what I'm looking for by posting is:</strong></p><p></p><p><strong>- General comments</strong></p><p></p><p><strong>- Horns: Keep them? Buy new drivers? Buy new bodies? Ditch them and get tweeters?</strong></p><p></p><p><strong>- Midranges: Keep them and build new kicks? Ditch them and get new speakers/kicks? What do you think made the B&amp;C's so **** at 400/800 hz?</strong></p><p></p><p><strong>- Subs: Keeping them. Sealed or ported? Other comments on amp/power/enclosure type.</strong></p><p></p><p>In return for your help, I will begin a project worklog on the day I buy my car. Which should be tomorrow.</p><p></p><p>Pic of UMPC on dash (old car): <a href="http://img201.imageshack.us/img201/1277/dsc00917uf4.jpg" target="_blank">http://img201.imageshack.us/img201/1277/dsc00917uf4.jpg</a></p></blockquote><p></p>
[QUOTE="GCAdidas13, post: 7233157, member: 557864"] Hello, I'm Brian from central Ohio.. I recently purchased a 2006 Mazda 3 Hatchback. I need suggestions on what to do with my current equipment in my new vehicle. Equipment: Sound Processor: Alpine PXA-H700 Amplifiers: - PPI PCX4125 (4 x 125 @ 4ohm) - PPI PCX2200 (2 x 200 @ 4ohm) - PPI PCX440 (4 x 40 @ 4ohm) Midranges: B&C 8NDL51 Horns: ID CD2 Minibody Subs: 2x 15" Ascendant Audio Avalanches DVC2 I have fiberglass experience I can build sub boxes Previous Install: In my previous install (1997 Camry) I had the midranges in sort-of big kickpanels powered by the PCX4125, but the midrange was really ****** at 400 and 800 hz. Basically these frequencies would distort heavily at moderate volume or higher unless attenuated. I do not know if this is attributed to the midrange or the box, could be either. At this point I am highly considering getting new midranges. I do not want to install midranges to the door. The horns were on the PCX440. They have been fine but overall very difficult to EQ as I do not have an RTA. I'm kind of considering getting a traditional tweeter but it's not something that I see likely. This will be one of those things where I install and see how it sounds first. The subs were on the PCX2200. They were in 4.5 cubic feet, sealed, forward-facing in the front of the trunk, with MDF cut so that the baffle of the box was sealed into the cabin of the vehicle (basically a mini-wall). Overall the sound was good but not loud enough. I'm trying to decide if I should port them or just get more power to them. They will need 4.5 cubes sealed or 8-9 cubes ported and tuned low (~25-28 hz). I haven't had a head unit in a while, either. I just run an audio signal directly to the sound processor. Normally I feed it with a Ultra-Mobile PC (UMPC) which was mounted to my dashboard but I think until I can fab something up for the Mazda dash I will be feeding it with an iPod thru the headphone jack. [B]Anyway, what I'm looking for by posting is:[/B] [B]- General comments[/B] [B]- Horns: Keep them? Buy new drivers? Buy new bodies? Ditch them and get tweeters?[/B] [B]- Midranges: Keep them and build new kicks? Ditch them and get new speakers/kicks? What do you think made the B&C's so **** at 400/800 hz?[/B] [B]- Subs: Keeping them. Sealed or ported? Other comments on amp/power/enclosure type.[/B] In return for your help, I will begin a project worklog on the day I buy my car. Which should be tomorrow. Pic of UMPC on dash (old car): [URL="http://img201.imageshack.us/img201/1277/dsc00917uf4.jpg"]http://img201.imageshack.us/img201/1277/dsc00917uf4.jpg[/URL] [/QUOTE]
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