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| dransy |
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 dransy World Chat Champion

Joined: 04 May 2005 Karma :     
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| Poseidon |
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 Poseidon World Chat Champion

Joined: 15 Aug 2008 Karma :   
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 Posted: 18:51 - 28 Aug 2011 Post subject: |
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I had some 180w 16.5cm infinity two way speakers in my ford escort (way back in 2002). Had the car for a year, when I sold the car my dad stole the speakers and blaupunkt head unit and fitted them in his astra van. He uses the van daily and loves his music loud, the speakers are still going strong and sound as good as ever. Found some that look very similar on the bay for 42quid... clicky.
I'm no expert on audio matters, but it seemed no matter what music I chucked through them, the sound was amazing!
EDIT:
Should add that with all the little holes around the edge, you should be able to offer them up and screw them straight in. ____________________ 1977 Honda CG125
2002 Ducati Monster S4 (currently restoring) |
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| defblade |
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 defblade World Chat Champion

Joined: 30 Apr 2009 Karma :   
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 Posted: 10:05 - 29 Aug 2011 Post subject: |
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Be careful.... most stereos will allow you to turn their amplifier up so high it starts clipping the signal. The nicer the speakers you put in, the quicker this will kill them! (Which is why you always hear lads saying "those were rubbish, they cost £100 and blew in a week"). This is because a better speaker is more sensitive and more responsive... but therefore more delicate when fed a poor signal.
When you fit them, get/make a test tone disc and play a 1kHz signal through your stereo - you'll hear when the note suddenly changes as you turn the volume up. That'll be clipping - turn the volume back a couple of notches and never go above that setting.
If it's not loud enough, come back and ask about amps  ____________________ Honda Varadero 125cc => Suzuki Bandit 650 33bhp => 77bhp =>
BMW K1200R Sport 163bhp => Aprilia Shiver GT 750 95bhp |
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| dgo1212 |
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 dgo1212 Brolly Dolly
Joined: 06 Dec 2008 Karma :     
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 Posted: 11:05 - 29 Aug 2011 Post subject: |
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What car is it? If it's newish and quite decent try replacing them with something that will, as you ask "swap straight over", in most cars the standard head units look better than any replacement and same go's for the speakers, speakers diy'ed into parcel shelfs and subs/amps etc in the boot look ghey and can be a real pain in the arse at times
Edit-the ones that Poisedon has found you will not only fit but probably allow the standard covers to go back on instead of the infinity covers, excellent find
Also take on board the other posters (sorry forget who it was) advice about not turning them up too loud, the test disc sounds a good idea  |
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| Hockeystorm65 |
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 Hockeystorm65 Spanner Monkey

Joined: 08 Sep 2010 Karma :  
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| The Tot |
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 The Tot World Chat Champion

Joined: 11 Jun 2004 Karma :    
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| defblade |
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 defblade World Chat Champion

Joined: 30 Apr 2009 Karma :   
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 Posted: 06:12 - 31 Aug 2011 Post subject: |
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| Daimo |
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 Daimo Could Be A Chat Bot
Joined: 14 May 2005 Karma :     
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 Posted: 12:56 - 31 Aug 2011 Post subject: |
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Firstly, do you have an uprated head unit? This is the first thing to do to vastly improve quality in all areas. It improves the signal, and a cheap speaker can sound a lot better with aftermarket head unit.
If so, you can replace the speakers, but you may find you need to cut the original connector block off that connects to the standard speakers.
You can run the front speakers off off the head unit. Most have "Pre-Outs" these days to either the sub or speakers.
Audio really is a case of "how much do you want to spend?" I've spent £300 on EACH set of components in the past. Depends how much boom you got coming through
A set of 6.5" will go in, as mentioned above you may need plastic adapter plates if the cone is quite deep. Personnally, I made my own out of wood. It doesn't allow so many vibrations to run through the plastic (hence noise/quality loss).
My old kit (those are 15"s, far too big, but I got them at a very good price. Really, I needed two of these Kicker amps, one to power each sub, but at £700, I could only afford so much as an early 20 yo.)
https://images30.fotki.com/v464/photos/4/48802/198778/2003NewICEEquip3-vi.jpg
And the missis, which comprised of x2 sets of Comps (seperate tweets and mids), two amps, and two 12"s.
https://images57.fotki.com/v1613/photos/4/48802/198779/5_1of1-vi.jpg |
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| dransy |
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 dransy World Chat Champion

Joined: 04 May 2005 Karma :     
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| Daimo |
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 Daimo Could Be A Chat Bot
Joined: 14 May 2005 Karma :     
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 Posted: 14:16 - 31 Aug 2011 Post subject: |
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Right, well you head unit will probably have a 50x4 (or 60x4 etc) output. That means the head unit can do a peak of 50watts in 4 channels.
So, realistically, unless your wanting to put an amp in to beef up the power, you do not need any more powerfull speakers than the head unit can provide power to. But generally, low end speakers dont cost much and arn't worth upgrading too over standards.
I.E. If you look at a seat of 6.5" speakers, that have a 100w output, then those speakers are more powerfull than the head unit can put out anyway.
RMS power is the one to look at. All the boxes usually have a big wattage figure. But don't be fooled, this is just the peak output, a short sharp burst of power.
RMS is continuous power. So if I have a speaker that has the following speaks
200w
RMS 100w
This means the speaker can continuously run 100w of power all the time, with a brief burst up to 200w
Long story cut short......
Look for some good spec 100w, 60w RMS speakers, to run off your head unit. I'd do a search for a car audio forum (caraudiodirect was a good one, if its still there? Been a few years).
You shouldn't need to spend too much as you simply wont have the power to run them properly. Not without upgrading to an amp.
My personnal choice in your situation.
Leave the front speakers. Turn the bass right down, and work on mid/treble tuning on your head unit. They should be enough for the moment.
Get a small power amp, a small sub, and install off the pre-out off your head unit. A couple of RCA leads, a power lead (and fuse) to the battery for the amp, and sub in the boot.
Bass is mutli-directional, the background fill would be enough. Then you have your fronts (with no bass, as its not needed as you have the sub) which provide mid and treble.
IMO, just upgrading the fronts without extra power from an amp isn't worth your time/money. Go with the small sub and amp, and run no bass through the fronts
Otherwise, it gets complicated
https://images19.fotki.com/v22/photos/4/48802/245463/ICEWiringLayout-vi.jpg |
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| The Tot |
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 The Tot World Chat Champion

Joined: 11 Jun 2004 Karma :    
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| defblade |
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 defblade World Chat Champion

Joined: 30 Apr 2009 Karma :   
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| The Tot |
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 The Tot World Chat Champion

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| defblade |
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 defblade World Chat Champion

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| Daimo |
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 Daimo Could Be A Chat Bot
Joined: 14 May 2005 Karma :     
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 Posted: 08:20 - 01 Sep 2011 Post subject: |
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| The Tot wrote: | I've been trying to dig up responses and opinions regarding underseat powered subwoofers - 8" jobbies. I value my boot space since I quite frequently shove my guitars in there so a sub is out of the question. I want, as you guys quite rightly pointed out, to dedicate my 6" jobbies to handle the midrange and highs and anything less than 120 hz to be handled by the amped sub. What's your opinions? Besides, since the woofer is actually mounted in the cabin, then it'll probably have a better effect than being in the boot. |
tbh, not as much as you'd think, it depends how well the bass travels.
I.e My setup, was pointed to the front of the car (no rear seats). It actually pulled air out of your lungs. But as soon as I opened the boot, the opposite to where the subs faced, it sounded ruddy awful.
With the advancements in quality these days, I hear a lot of systems use either an under seat setup, or Stealth setup. Where basically the sub/amp combo is built into the tidy side of your boot so it doesn't loose you any boot space.
Issue with under seat sub, it purely space i'd say. Its ALL about the box, you can have a cheap sub, but good box, and it'll still sound quite good.
8" is very "thump thump", the bigger the sub, the more BOOOOOOOOOM you get over thump thump (love the examples ). But you will need to mount it facing the bottom of the seat, and it'll need a few inchs of box to mount the magnet, plus an amp somewhere. So you need to take the seat out etc. IMO, its a lot of work for minimal gains compare to below.
I would look at a stealth boot setup like this..
https://images2.rdefined.com/d/87674-1/Stereo06.jpg |
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| The Tot |
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 The Tot World Chat Champion

Joined: 11 Jun 2004 Karma :    
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| Daimo |
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 Daimo Could Be A Chat Bot
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| st3v3 |
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 st3v3 Super Spammer

Joined: 16 Oct 2006 Karma :     
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 Posted: 16:43 - 02 Oct 2011 Post subject: |
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Quick bump rather than start an new thread...
Learnt some things so far, but since I'm learning in the audio components dept, I wanted to ask:
I got a JVC pop-off, stock set of 5" front door speakers and it worked nicely, filled the car with sounds but not OTT.
I got a sub box a while ago, (maybe 6 months) but never touched it and now I want to test it, there's no amp and since the unit drives the front speakers I do questoin why i need an amp for it?
I pluged it in, directly, so the sub in the boot is wired to the white and red auio sockets on the back of the HU but it doesn't work.. the speaker is fine, no damage and the setup of the sub is simple; wire from speaker to terminals of the box.
Where have I gone wrong (was it not installing an amp?) and what am i doing to fix it and get the new tarty part working? ____________________ Roger wrote: Women don't get damp for clingy puppies. Get some better happy pills, hit the gym & buy a medallion the size of a dinner plate. Job done |
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| Davo |
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 Davo Davo To The Rescue!

Joined: 04 Apr 2004 Karma :   
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 Posted: 17:53 - 02 Oct 2011 Post subject: |
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| st3v3 wrote: | Quick bump rather than start an new thread...
Learnt some things so far, but since I'm learning in the audio components dept, I wanted to ask:
I got a JVC pop-off, stock set of 5" front door speakers and it worked nicely, filled the car with sounds but not OTT.
I got a sub box a while ago, (maybe 6 months) but never touched it and now I want to test it, there's no amp and since the unit drives the front speakers I do questoin why i need an amp for it?
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There is a small amplifier built into the head unit, which is why it can drive the standard door speakers
| st3v3 wrote: | I pluged it in, directly, so the sub in the boot is wired to the white and red auio sockets on the back of the HU but it doesn't work.. the speaker is fine, no damage and the setup of the sub is simple; wire from speaker to terminals of the box.
Where have I gone wrong (was it not installing an amp?) and what am i doing to fix it and get the new tarty part working? |
So you've connected the sub straight to the pre-out's (short for pre-amplified output) on the back of the headunit?
You need an amplifier in between the head unit and the sub!
To wire it in you're going to need to run a power cable from the battery (fused close to the battery), a pair of RCA leads and a remote lead (low current cable to remotely turn on the amp).
Connect these to the amp, then connect the amp to the sub.
I'll try and draw up a diagram when I get off my ipad.
/EDIT: https://www.caraudiohelp.com/how_to_install_a_car_amp/how_to_install_a_car_amp.htm <-- that'll do better than I can for now. |
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| st3v3 |
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 st3v3 Super Spammer

Joined: 16 Oct 2006 Karma :     
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 Posted: 18:04 - 02 Oct 2011 Post subject: |
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.. maybe..
My dad's a dab hand at it, but i wanted to learn it myself, i can't rely on him for electricals forever.
Such a simple bit of stuff, is so much work.  ____________________ Roger wrote: Women don't get damp for clingy puppies. Get some better happy pills, hit the gym & buy a medallion the size of a dinner plate. Job done |
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Old Thread Alert!
The last post was made 14 years, 105 days ago. Instead of replying here, would creating a new thread be more useful? |
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