Hi all,

I am currently in the process of getting a new sub and amp for my car. I have no problems wiring it all up but im not sure if the stuff i want to buy is compatible?

The amp specs are:

2 Channel Amplifier
Bridgeable to 1CH
LPF Crossover
Bass Boost
760W Maximum Power
125W RMSx2 @4 ohms
380W RMSx1 @ 4 ohms
190W RMSx2 @ 2 ohms

The sub specs are :

12" Subwoofer
800W Peak, 400W RMS
Dual Voice Coil (2 or 8 ohms)

So bacically if i bridge the 2 channels i can get 380Wrms X 1 @ 4 ohms.
But the sub specs say its (2 or 8 ohms) does that mean that i can only get that power at 4 ohms and my sub has to be at 4 ohms also?

what i want to know is will this combination work together to get some good Bass.

If anyone knows please let me know.

Thanks

Both the subs will run at 4ohms like you hoping for.

Wiring the DVC 2ohm in series will give you a 4ohm load and wiring the DVC 8ohm in paralell will also.

We can't really tell you if that will give you good bass. As we don't know what size box nor any equipement you will be running... it's just like the question how long is a piece of string.

Thanks for that,

about the good bass what i am asking is with that power from the amp going to the sub assuming i have a good box and equipment should it be able to put out some good loud bass?

Well seeing as your sticking pretty close to the RMS rating of the sub i would say Y for yes.

Hang on, you only have one sub right?

And its either 2 or 8ohm? IE - a dual 4ohm sub?

Then the only way to wire up that sub to that amp is in stereo, 1 channel per voice coil. So they only get 125wrms per coil, or 250rms to the whole sub...

Ah don't know what your talking about bullion

I read that as 1 x 12" sub which is DVC 2ohm, hence parallel wiring would show the amp 4ohm allowing him to get maximum 380wrms from the amp when bridged

As Tun35 has suggested already - everything is all good

ROCK ON
R~R

yeah its one sub available in either a 2 or 8 ohm. so your saying im not going to be able to get the 380 wrms max to the sub ?

From my view it was just a misread on his part.

You will get 380rms out of it. What equipement are we talking about by the way?

I hope you mean series and not parallel there

Its a Kicker compVR 12' sub and a pioneer GM-5200T 2 channel amp.

Then you must have a dual 4 ohm coil sub.

So you have 2 wiring options, series for 8 ohm or parallel for 2ohms.

Either way you will not be getting the most out of that amp, as per Bullions post.

You want an amp that makes its power into a 2 ohm load, that or a dual 2 ohm woofer wired in series to give a 4 ohm load at which the current amp produces its highest output.

get the same pioneer amp and

get a pioneer 12" sub called tsw-306c its 1000w max
and 400w rms

so run that bridged at 4ohms you will put 380rms into it and all good

match nicely

Ok that changes it now that we know the gear your first statement makes sense how Bullion was looking at it. So my mistake on the reading of that.

I agree with DB Barina's statement in that case. No use in me going over it again.

What about this Pioneer sub: TS-W306DVC, with the same amp ?
Sub specs:
12" Component Speakers
1000W, 400W RMS
Dual Voice Coil Functions at 2 or 8 Ohms

or are you saying i shouldnt go DVC?

Would this amp be better to use because as 'db Barina' said it puts out its power at a 2 ohm load?

Pioneer GM-7200M
Mono Block Amplifier (1CH)
LPF Crossover
Bass Boost
800W Maximum Power
250W RMSx1 @ 4 ohms
360W RMSx1 @ 2 ohms

So maybe this sub and this amp combination would suit instead of the kicker sub and other amp?

What sort of budget do you have to work with?

Man im only looking at spending around $500 max on sub and amp not including box or anything.

Alpine currently have a good deal running on the following:

MRP-M350 V-Power Mono Amplifier and SWS-1242D Type-S 12” Subwoofer : $549

You can pick that up from any Alpine dealer. ie. Northfield, GCCS

So your saying go the Kicker Compvr 12' and the Poineer 2 channel ?

as opposed to the Pioneer TS-W306DVC and mono block amp?

Both are in the budget - but which would be a better buy ?

Scrap that changed my mind when i remember the deal above ^^^

That deal the -MRP-M350 V-Power Mono Amplifier and SWS-1242D Type-S 12” Subwoofer : $549

is that the sub in a box and amp ? or just the sub and amp ?

because that sounds like an alright deal.

I believe that is without a box. I could be wrong though. I mean it stretches your budget just a touch, but it will be well worth it in the end

Well ill go and have a look at an alpine dealer and see if they have that package.

But what do you think of the second combo i mentioned, would they go well together?

Pioneer sub: TS-W306DVC,
12" Component Speakers
1000W, 400W RMS
Dual Voice Coil Functions at 2 or 8 Ohms
&
Pioneer GM-7200M
Mono Block Amplifier (1CH)
LPF Crossover
Bass Boost
800W Maximum Power
250W RMSx1 @ 4 ohms
360W RMSx1 @ 2 ohms

I can make that deal better for you.

Go the Pioneer 306 sub - they're quite good subs for the price you pay. You could alternatively like around for last (no, year before) model which is the 305. Exactly the same, slightly different look, only available SVC (Single Voice Coil) 4ohms.

Then go and buy yourself a Jaycar 2x150wrms amp. Retails for $249 (can be had cheaper if you look for it) and will put out 1x500wrms when bridged. I've used that with a Pioneer 305c sub and it was a great much. Obviously still had more power on tap, but if sensible, it's always better to be able to overpower your sub than underpower.

So to recap;

Pioneer TS-W306 DVC 2ohm
(or if you can find a good one second hand)
Pioneer Ts-W306c SVC 4ohm

And

Jaycar Precision Response AA0424 2x150wrms

Vist http://www.jaycar.com.au for more information (Car Accessories -> Car amplifiers)

And TUN35, that's what you get for posting after spending all day at Uni! However seems I came out right anyway!

ROCK ON
R~R

So your saying i get the Pioneer TS-W306 DVC 2ohm and Jaycar Precision Response AA0424 2x150wrms (which i found for $199) that is500W RMSx1 @4 ohms and that should be pretty good?

So these two will work together fine, i just have to wire them up correctly right? because the sub is 2 ohm and to get 500wrms from the amp it has to be @ 4 ohm, so how should i wire it?

You can do a dvc sub, just not a dual 4 ohm sub. If it was a dual 2 ohm sub then yes it can work properly. In your case, you will be best off with a single 4 ohm sub running to the bridged terminals of this amp. You need to do either one of two things, change the sub to match the amp or change the amp to match the sub.

Ahhh... see, I knew I wasn't going insane!

Yes that's what I'm saying!

Pioneer 306c DVC 2ohm sub

Jaycar Precision Response 2x150wrms amp

Will give you plenty of power, and a good amount of 'doof' for you! As you've already found the amp for $200 that's good, the sub you should be able to find (or negotiate) for around $100-$120. Possibly in the Pioneer box.

However keep in mind that the boxes supplied with the 305/306 do not suit the sub that well. It ideally runs in a largish ported enclosure to get the most out of it - having said that, the premade Pioneer box does the job anyway.

As for wiring - being DVC 2ohm it can be wired in series to show the amp a 4ohm load, as illustrated in the picture below!



Good luck and happy doofing!

ROCK ON
R~R

Thanks for everyones help but i ended up changing my mind and getting something completely different.

I have purchased a : Alpine SWR-1242D Type R (500wrms)

Its DVC 4 ohm - so should i still be looking for an amp thats max power is at 2 ohm or at a 4 ohm load ?

would this amp work:
Response AA0428 - Mono Block Amplifer
1CH
LPF Crossover
Bass Boost
400W RMSx1 @4 ohms
700W RMSx1 @2 ohms
820W RMSx1 @1 ohms

Or would this original amp still work:
Response AA0424 - 2/1CH Amplifer
2 Channel Amplifier
Bridgeable to 1CH
HPF Crossover
LPF Crossover
Bass Boost
150W RMSx2 @4 ohms
255W RMSx2 @2 ohms
500W RMSx1 @4 ohms

Sorry to go changing eveything around like that but the sub was at a pretty good price. so now i just need to know which amp to get.

thanks.

Yes, find an amp that puts out it's max power at 2ohm. The Response mono would be excellent.

Any reason you didn't check out the Alpine pack with the MRD-M605? at $899 with the Type R it's a pretty nice package.

Yeah i had a look at an alpine dealer, but i think the cheapest i saw for that pack was $999 - just a bit more then i was wanting to spend. So now ill probably just get the response amp and then find a good box for it all.

Thanks for all your help guys.

Sounds good! I'm sure you'll be very happy with that! I've already been through two Response amps and am considering getting myself a third and have been incredibly happy with their performance and power output, especially for their price!

Just a note on the Monoblock though - you should be aware that an early batch of the amps had a problem which caused a hiss through the speakers. This was immediately fixed and Jaycar would exchange them for a new one for free. It shouldn't be a problem anymore, but make sure you buy from a reputable source, or in the very least make sure you get a receipt for it! Should be able to find a new one for around $300.



You'll be better off making one yourself (or having one made for you). As each and every sub is different they all have very different ideal enclosures, and usually your chances of finding a prefab box which will suit your sub is quite low.

Making a box isn't all that hard though. If you download WinISD (subwoofer box design program - it's free, Google it), enter in the Thiele Small (TS) Specs which come with the subwoofer and it'll tell you the ideal enclosure the sub should be suited for. Making your own box should only cost about $50 and requires some basic woodworking skills and tools such as a jigsaw, drill, glue etc. Having a basic box custom made should be around $150-$200. Something which is specifically designed for your boot, or made of fibreglass etc will be more expensive.

Have fun

ROCK ON
R~R

Who is telling you $999???

The pack is in the brochure for $899, why pay more?

Yeah i think the cheapest pack in their was a Type S in box and amp for that price, not 100% sure but i think thats what it was.

Yeah well i found the amp for $299 i think thats the cheapest ill find it (unless anyone else knows of a place selling them cheaper, or an alternative amp that would be just as good?) but yeah i just gotta get a decent box. Dont know how much luck i would have making one myself.

Unforuntately you won't find a new amp cheaper than $299.

You may however be able to find a second hand one for a cheaper price (keeping in mind the amps are only 1 year old)

As for an alternate amp - not a chance - Precision Response amps are the best bang for your buck amps available. There aren't any other monoblocks out there that will put out 820wrms for $300 and have a good reputation.

Boxes - talk to your local car audio specialist store and ask them how much they'd think it would be. Whereabouts are you located? May be able to suggest some good stores for you.

ROCK ON
R~R

Yeah i think im going to stick with the response amp as your right and it is the best bang for buck.

But yeah when i went to the alpine dealer here they were selling the TypeR,amp,box pack and the guy said that the box was perfect for the sub and that they sold for about $149 so i dont know.

Im located in Cairns, so if you know anywhere then let me know .

Thanks.

Ahhh, didn't realise you were talking about it WITH a box... thats fair enough then.

Yeah i meant with a box, - Do you think the box that the pack comes in would be good enough?

Well I don't know what box they are talking about. It's either a pre-fab box which really should only be around $50-$70. If it's the Alpine made ported box then that sold for $499 with the sub.

Which box was it can you remember?

Its the one in the catalogue the type R pack for $999.00 - its an alpine box with like a black steel mesh covering the sub.

Ahhhh.... the slot ported Alpine made box. Very well made, and sounds quite good. It's built to the right specs. Depends on what kind of sound you like really, the R goes very well and sounds great in a sealed box too.

But if you already have the sub, you would have to trade it back and get the box/sub as you can't get it seperately...