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[samrey4u]

am i better to use component or coaxial speakers as a replacement , i want to replace the door speakers front and rear, also what size are the original door speakers

[Dave DND]

If replacing the main driver, I would also replace the tweeter as well, so I guess Components would always be the way to go.

If you have seperate tweeters in the front (or back) then always replace as a Component set, so that you do not get any imbalance or phasing of frequencies.

If you do not have seperate tweeters, then coaxials are the usual choice, unless you can find somewhere to mount an extra set of tweeters.

 

[samrey4u]

  cheers dave i have tweeters front and rear , so components it is . going for alpine i think to match my head unit . also have sub and amp to go in the boot  

[Dave DND]

Good choice.

Whilst there are lots of makes of speakers and head units to consider, keeping everything to a single manufacturer can often give some amazing results.
 

[mathewst]

Front speakers are 6.5 component speakers
Rear door are 5.25 component

[samrey4u]

Front speakers are 6.5 component speakers
Rear door are 5.25 component

cheers for that many thanks  

[Joh]

Yea, I am going through that thing aswell. But, the front speakers didn't fit without the adapter. Gonna make new adapters out of wood (dunno how those plates are called in English, not my native language, sorry) today. Then, the tweeters were too big for the original tweeter holder. Had to crack all the walls inside it and just glue the tweeters in place. Hope their positions are okay, otherwise I'm f*cked. Don't know yet what surprises come to my way while installing the rear speakers. Oh, and I also have to run wires from all the doors to the rear of my car as I have one 4-channel amp for those interior speakers aswell as one for my woofer in the back. That wiring is gonna be a pain in the a*s.

[mathewst]

Don't connect the rear door speakers to the amp.
The speakers are just to small and will likeliy burn out on the amp (unless you don't have the super expensive ones with high rated rms power).
Adapters for the speakers can be found on ebay and any well equiped car audio store (they are the same for omega and a number of vauxhall/opel models.  I paid for adapters around 15 pounds.
Most of the tweeters will fit normaly in omega cause they are standard size car audio tweeters BUT you'll probably have to take the new tweeters out of their plastic encasings (pry them out). I had to do this with my keenwod tweeters.
Also one thing worth considering is mounting the speakers on the rear shelf (in mig this is a pain in the a..) but you'll get much more than 5.25 speakers in the rear door can offer

[Joh]

Don't connect the rear door speakers to the amp.
The speakers are just to small and will likeliy burn out on the amp (unless you don't have the super expensive ones with high rated rms power).

What if my speakers are 60W RMS and one channel of my amp gives less (45W, 50W or 55W RMS, I'm not quite sure).

Speakers: http://caraudiosecurity.com/shop/product/products_id/8399.html
Amp: AutoStudio CB-450i (a pretty rare Finnish amplifier)

Still think it's a bad idea?

[Dave DND]

Don't connect the rear door speakers to the amp.
The speakers are just to small and will likeliy burn out on the amp (unless you don't have the super expensive ones with high rated rms power).

What if my speakers are 60W RMS and one channel of my amp gives less (45W, 50W or 55W RMS, I'm not quite sure).

Speakers: http://caraudiosecurity.com/shop/product/products_id/8399.html
Amp: AutoStudio CB-450i (a pretty rare Finnish amplifier)

Still think it's a bad idea?

Everybody is going to have a different opinion on this one, and I can only give the advice that we have chosen to give our customers choosing speakers (does not apply to subwoofers).

As a general rule of thumb, make sure the speakers are at least double the power of whatever is driving them. If your amp is 60W then you need at least 120W on the speakers. But do not go more than four times the power. ie, 240W speakers on a 60W amp is too much.

As I said, its not a definitative rule, but it seems to prevent voice coil burnouts and amplifier distortion with most people.

 

[Dave DND]

Remeber also, the bigger the wattage, does not mean more sound, and speaker power ratings are what they will give at the point of destruction, not what you can expect to get out of them.

 

[Joh]

Hmm, I'll have to think then..

[evvo1]

I've just baught some 6.5 inch Infinity componenets (Kappa 60.7cs) for the front doors of my facelift mig. They should be here in the next couple of days. I'll let you know how I get on with them. ...Dave, will I need the Corsa adapters for these?

[mathewst]

Yes you'll need the adapters for the speakers.
How much did you pay for the ones you got?
I was thinking about the same ones but never heard them in action.
And actually the speakers don't need to be at least double the power of the amp.
Minimum recomendation was actually 30% more than the amplifier, but of course little more than this is preffered. Don't be mistaken we are talking about RMS power not that marketing crap called maximum power which is in fact just usseles marketing trick.

[doog]

Don't connect the rear door speakers to the amp.
The speakers are just to small and will likeliy burn out on the amp (unless you don't have the super expensive ones with high rated rms power).

What if my speakers are 60W RMS and one channel of my amp gives less (45W, 50W or 55W RMS, I'm not quite sure).

Speakers: http://caraudiosecurity.com/shop/product/products_id/8399.html
Amp: AutoStudio CB-450i (a pretty rare Finnish amplifier)

Still think it's a bad idea?

Everybody is going to have a different opinion on this one, and I can only give the advice that we have chosen to give our customers choosing speakers (does not apply to subwoofers).

As a general rule of thumb, make sure the speakers are at least double the power of whatever is driving them. If your amp is 60W then you need at least 120W on the speakers. But do not go more than four times the power. ie, 240W speakers on a 60W amp is too much.

As I said, its not a definitative rule, but it seems to prevent voice coil burnouts and amplifier distortion with most people.

 

sorry Dave i don't agree
lets say  we have a 50w amp and 100w speakers  running the amp hard its going to clip and  send square waves to the speakers

square waves = speaker death

my advice would be to buy a efficient speaker  and a good quality amp that  puts out clean power and not some  mitsuspratzan no name brand amp
I have always found the alpine v12 range to be great at the price

 Doug

Doug