Celica GT Audio?

[Lord Banshee]

I might be getting a GT at the end of this month. i am not getting the preium audio thou. I just want to make sure that the 6 speaker system does not have the amp right!. I want to install my truck system into the GT intill i can afford better. in my Truck i have a 3S05(i think) Kenwood Cd-Player, a 10in Sony Explode Bridge to a MTX Thunder4122. I like it but i want deeper lounds. The Box i have is small (fit behind bench seats in a Reg Cab Truck) and would getting a bigger box(more volume) produce better deeper sounds? And i need to know a tech answer. What is and how do u change the Ohms? 2/4/8 they have different wattage. and i am not really sure what and how do u know which u are on?

back to the main question wil i just have to buy a harness for the cd player like i did with my truck and Hook it up. all good no amp to bybass?

thanks,
Chris

[bme107]

The regular (non-premium) system has only 6 speakers and NO amp. Not worth getting the premium if you are going to bypass it and put in your own components. You change the # of ohms the system is running to the subs by the wiring configuration that is used.

All you'll need is a mounting kit and a wiring harness to install the deck. Supplying high watts to a good 12" will get you better deeper sounds. Comparitivly I don't know how your equip stacks up to others on the market. Make sure that the sub you're using has the correct size box. If it doesn't currently, that might be the cheapest/best bet to improve it's sound production.

[Lord Banshee]

ok i still don't get the ohms thing. How can u wire a single sub differently? i mean neg goes to neg, pos goes to pos??? how else could u do this. and another thing.when a amp says amount of power used with 12.5 VDC and/or 14.4 VDC. is that the power of the battery??

sorry if these are stupied questions but i really would like to understand these things and a good way to learn is ask around :)

thanks again

[00GTS]

Many subs these days come with "dual voice coils" (DVC). You can wire the voice coils differently to get a different Ohm rating.

-Josh

if its a 4 ohm sub and you wire it normal it will be running at 4 ohms if you series wire 2 subs together it will become 8 ohms.
if you parralel wire two 4 ohm subs into one output on the amp the amp will run them at 2 ohms, but the lower the ohms the harder the amp is woking.

[Impulse]

Originally posted by Lord Banshee
and another thing.when a amp says amount of power used with 12.5 VDC and/or 14.4 VDC. is that the power of the battery??

sorry if these are stupied questions but i really would like to understand these things and a good way to learn is ask around :)

thanks again

A car's electrical system is meant to run at 12V so amp manufacturers will measure the RMS output of their amp at that voltage since all cars will have at least 12V supplied. Most newer cars however (assuming the charging system is in good working order) will supply around 14V of power. This gives a nice boost to the RMS output of any amplifier so the manufacturers include that as well. Helps to sell more amps i suppose. Celicas (at least mine) supply around 14V

[00GTS]

Good info Jami, but he asked:

"How can u wire a single sub differently?"

-Josh

you can only wire single subs 2 ways, normal or bridged. bridged is using the positive on one output and the nagative on the other. bridged gives you more power but but also make the amp work harder like when you drop the ohms by wiring two subs into the same output.

[00GTS]

Incorrect. Bridging has nothing to do with the sub. You bridge the amp, not the sub.

Also, bridging should not necessarily be used to "increase power". Bridging should be used to match your speaker configuration. If you have a single sub and a two-channel, bridgable amp, then you'll want to use a single 4ohm sub. You don't have to of course, you could use 8-ohm (safer) or 2-ohm (more power) but that's not the point. You should only bridge your amp if that is the setup you require, not to "get more power".

In any case, as I said, DVC subs can be wired differently to produce different resistence. Don't believe me? Well, would you believe JL? :)

http://www.jlaudio.com/tutorials/dvc/index.html

-Josh