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Georgemk6 01-09-2017 09:13 PM

First build
 
Hello I'm new to this forum and this is my first post. So sorry for any missing information.

I currently have.

Speakers - 4x alpine spr 60 speakers (front and back door speakers)
Amp - Inphase IPA2041 2000w 4 channel
Head unit - pioneer sph-da120

So the question is could I parallel wire 4 speakers to channels 1 and 2 then wire an subwoofer to channels 3 and 4 if so what sub would be best. I was looking at a alpine 12" type r is this to much? What would you recommend?

basicxj 01-09-2017 10:48 PM

Let's move this to a more appropriate section- follow the redirect to "General"

basicxj 01-09-2017 10:53 PM

[QUOTE=Georgemk6;3024490]Hello I'm new to this forum and this is my first post. So sorry for any missing information.

I currently have.

Speakers - 4x alpine spr 60 speakers (front and back door speakers)
Amp - Inphase IPA2041 2000w 4 channel
Head unit - pioneer sph-da120

So the question is could I parallel wire 4 speakers to channels 1 and 2 then wire an subwoofer to channels 3 and 4 if so what sub would be best. I was looking at a alpine 12" type r is this to much? What would you recommend?[/QUOTE]

Hint: the IPA2041 is not a "2000 watt" amp, no matter what the manufacturer might suggest. I doubt very much it would power a single Type R woofer very well (that woofer really needs a good 1000 watts RMS) as it would only provide a small fraction of the needed power, so you'd be better off buying a mono amp from a reputable manufacturer to power it. I would not recommend buying one from InPhase.

Georgemk6 01-10-2017 05:54 AM

[QUOTE=basicxj;3024497]Hint: the IPA2041 is not a "2000 watt" amp, no matter what the manufacturer might suggest. I doubt very much it would power a single Type R woofer very well (that woofer really needs a good 1000 watts RMS) as it would only provide a small fraction of the needed power, so you'd be better off buying a mono amp from a reputable manufacturer to power it. I would not recommend buying one from InPhase.[/QUOTE]

Ok looks like the type r idea will have to wait then. What subwoofer would you suggest with my current Amp and speakers? Would I be better off connecting the back speakers to the head unit freeing up Channels 3/4 or parallel wiring to channels 1/2, freeing channels 3/4?

basicxj 01-10-2017 10:44 AM

[QUOTE=Georgemk6;3024524]Ok looks like the type r idea will have to wait then. What subwoofer would you suggest with my current Amp and speakers? Would I be better off connecting the back speakers to the head unit freeing up Channels 3/4 or parallel wiring to channels 1/2, freeing channels 3/4?[/QUOTE]

I would power the rear speakers off the head unit regardless- you don't want rear speakers dominating what you hear up front.

If you can find one, a JBL GT5-4 has modest power demands, should work with the amplifier power your InPhase amp can muster much better- they come in 10" and 12", and the single 4 ohm voice coil version is what you'd want with bridged amplifier channels.

JohnBauder 01-10-2017 03:47 PM

Can you return the amp and speakers? If so you can do much better.

The Alpines are a good coaxial set buy an amped set of component speakers is better. You can get a pair of ID components for less than a pair of those Alpines and have much better sound - [url]https://www.amazon.com/Ctx65cs-Dynamics-Component-Speaker-System/dp/B001NNOZNQ[/url] - $170

You can get 2 of these subs for $97 total - [url]https://www.amazon.com/JBL-GT5-10D-10-Inch-Dual-Voice-Coil-Subwoofer/dp/B003KN2TL2/ref=sr_1_2?s=car&ie=UTF8&qid=1484071853&sr=1-2&keywords=jbl+gt5-10[/url] Wire them to a total 4ohm load.

You can power the fronts and the subs with this amp for $200 - [url]https://www.amazon.com/gp/product/B00I64095S/ref=ox_sc_act_title_1?ie=UTF8&psc=1&smid=A2AH6BGHI3KV4N[/url]

Then all you need is the sub enclosure and wiring. The enclosure should be .75ft^3 per sub - interior volume. It should be made from 3/4" MDF. Or you can buy this one for $50 - [url]http://www.sonicelectronix.com/item_1747_Dual-10-3-4-MDF-Sealed-Subwoofer-Enclosure-Belva-MDFD10.html[/url] It's a bit larger than optimum but probably not noticeably so.

TOTAL about $520 plus wiring and any soundproofing you might decide is needed.

SPL_Krayzie112 01-10-2017 06:39 PM

[QUOTE=Georgemk6;3024490]Hello I'm new to this forum and this is my first post. So sorry for any missing information.

I currently have.

Speakers - 4x alpine spr 60 speakers (front and back door speakers)
Amp - Inphase IPA2041 2000w 4 channel
Head unit - pioneer sph-da120

So the question is could I parallel wire 4 speakers to channels 1 and 2 then wire an subwoofer to channels 3 and 4 if so what sub would be best. I was looking at a alpine 12" type r is this to much? What would you recommend?[/QUOTE]

Itīs doable...just add an EQ. And maybe an active crossover.

Georgemk6 01-11-2017 06:05 AM

[QUOTE=JohnBauder;3024550]Can you return the amp and speakers? If so you can do much better.

The Alpines are a good coaxial set buy an amped set of component speakers is better. You can get a pair of ID components for less than a pair of those Alpines and have much better sound - [url]https://www.amazon.com/Ctx65cs-Dynamics-Component-Speaker-System/dp/B001NNOZNQ[/url] - $170

You can get 2 of these subs for $97 total - [url]https://www.amazon.com/JBL-GT5-10D-10-Inch-Dual-Voice-Coil-Subwoofer/dp/B003KN2TL2/ref=sr_1_2?s=car&ie=UTF8&qid=1484071853&sr=1-2&keywords=jbl+gt5-10[/url] Wire them to a total 4ohm load.

You can power the fronts and the subs with this amp for $200 - [url]https://www.amazon.com/gp/product/B00I64095S/ref=ox_sc_act_title_1?ie=UTF8&psc=1&smid=A2AH6BGHI3KV4N[/url]

Then all you need is the sub enclosure and wiring. The enclosure should be .75ft^3 per sub - interior volume. It should be made from 3/4" MDF. Or you can buy this one for $50 - [url]http://www.sonicelectronix.com/item_1747_Dual-10-3-4-MDF-Sealed-Subwoofer-Enclosure-Belva-MDFD10.html[/url] It's a bit larger than optimum but probably not noticeably so.

TOTAL about $520 plus wiring and any soundproofing you might decide is needed.[/QUOTE]

I can't return the amp or speakers so I'm going to have to make deal with them and just add a subwoofer to my existing amp

Georgemk6 01-11-2017 06:13 AM

[QUOTE=basicxj;3024540]I would power the rear speakers off the head unit regardless- you don't want rear speakers dominating what you hear up front.

If you can find one, a JBL GT5-4 has modest power demands, should work with the amplifier power your InPhase amp can muster much better- they come in 10" and 12", and the single 4 ohm voice coil version is what you'd want with bridged amplifier channels.[/QUOTE]

I had a look I found a (boss d12f) 12" and a (Pioneer TS-W311S4) 12" their both 4ohm single coil. What do you think of them?

Alpine SWG-1244 svc 4ohm?

neillio 01-11-2017 01:13 PM

No, no, and nope.

[url]http://www.ebay.com/itm/JBL-GT5-10-250W-RMS-10-Single-4-ohm-GT-Series-Car-Subwoofer-Car-Audio-Sub-/302117294246?hash=item46579810a6:g:PVMAAOSwx2dYDpNA[/url]
No way your amp does more than 250wrms per channel.

[url]http://www.ebay.com/itm/Car-Audio-Universal-Dual-10-Sealed-Sub-Box-Slanted-Back-Subwoofer-Enclosure-/401130708980?hash=item5d6540dff4:g:-EUAAOSwcLxYL2pl[/url]
1ft3 sealed per sub is perfect for the JBL GT-5 10". No need for polyfill.

Georgemk6 01-11-2017 01:28 PM

[QUOTE=neillio;3024635]No, no, and nope.

[url]http://www.ebay.com/itm/JBL-GT5-10-250W-RMS-10-Single-4-ohm-GT-Series-Car-Subwoofer-Car-Audio-Sub-/302117294246?hash=item46579810a6:g:PVMAAOSwx2dYDpNA[/url]
No way your amp does more than 250wrms per channel.

[url]http://www.ebay.com/itm/Car-Audio-Universal-Dual-10-Sealed-Sub-Box-Slanted-Back-Subwoofer-Enclosure-/401130708980?hash=item5d6540dff4:g:-EUAAOSwcLxYL2pl[/url]
1ft3 sealed per sub is perfect for the JBL GT-5 10". No need for polyfill.[/QUOTE]

Could my amp handle 2 jbl gt5 subs with the 2 front speakers?

basicxj 01-11-2017 02:48 PM

[QUOTE=Georgemk6;3024637]Could my amp handle 2 jbl gt5 subs with the 2 front speakers?[/QUOTE]

No, unfortunately it will have a difficult time powering one.

Georgemk6 01-11-2017 03:13 PM

[QUOTE=basicxj;3024638]No, unfortunately it will have a difficult time powering one.[/QUOTE]

I can get a JBL GT5-12 or a alpine swg-1244, I'm from the uk and cant find the GT5-10.

The jbl is 275w and the alpine is 250w but I have no idea what speaker is built/sounds better what would you guys recommend or shall I carry on looking for the gt5-10?

basicxj 01-11-2017 03:18 PM

[QUOTE=Georgemk6;3024642]I can get a JBL GT5-12 or a alpine swg-1244, I'm from the uk and cant find the GT5-10.

The jbl is 275w and the alpine is 250w but I have no idea what speaker is built/sounds better what would you guys recommend or shall I carry on looking for the gt5-10?[/QUOTE]

If you can do a 12, the JBL GT5 is a good value sub that works well on modest power.

Georgemk6 01-11-2017 05:48 PM

[QUOTE=basicxj;3024643]If you can do a 12, the JBL GT5 is a good value sub that works well on modest power.[/QUOTE]

Thanks for all the hell so far I've gone for a jbl gt5 12".

When it comes to installing I will wire the back 2 speakers to the head unit and the front 2 speakers to channels 1 and 2.

When it comes to installing the sub shall I bridge channels 3 and 4 the have 400w of power and install the 275w sub to the bridges channels? Or have you guys got a better way. I'm kind of new to all this and just been reading up a lot so sorry if i don't make much sense.


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