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Thread: door speakers

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    Default door speakers

    do the speakers have to be component speakers to replace standard ones or can they just be normal door speakers i am looking at vibe ones

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    Regular Member Knight Rider's Avatar
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    Vehicle : Vectra C SRi 1.8vvti

    Trim : Sri

    Engine : 18.vvti

    Year : 2007

    Mileage : 29,500

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    Quote Originally Posted by WiCkEdOnAmIsSiOn View Post
    do the speakers have to be component speakers to replace standard ones or can they just be normal door speakers i am looking at vibe ones
    Nope you can put 2-way speakers in mate, components were just my preference and the vx tweeter still works with the 2-ways too when all wired in

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    ok brilll what type of watts do you recommend for front door speakers

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    VIP-Member Z80's Avatar
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    Vehicle : Opel Vectra GTS

    Trim : Elegance

    Engine : 2.2 DTi 16V

    Year : 2003

    Mileage : 75 000

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    This is unimportant if you're not using a separate amplifier : whatever you'll find, any aftermarket speaker will be able to handle more power than the OEM cardboard ones anyway.

    Try to find ones with a high sensitivity (or efficiency : it's expressed in dB/Volt), though, or they'll sound less loud than your original ones.

    For this reason, BTW, changing the speakers without first adding an amplifier is not only useless, it's even disadvantaging.

    Most speakers able to handle high powers are also less sensitive, meaning you'll need much more amplifier power to move them (mostly because of the coil weight).

    If you really want to upgrade your audio setup, the first option is to add an amplifier, even using the factory speakers (they are very good for they're worth BTW, and can handle enough power to turn you deaf anyway ).

    Then you can upgrade your head unit (unless your factory car radio doesn't have RCA outputs, so you'll probably begin by changing it).

    Then only you may want to replace your speakers. In that order.

    If you feel the sound gets fuzzy when you tun the volume button up, it has NOTHING to do with the factory speakers : it's only because your car radio integrated amplifiers are saturating and clip the output signal. That's the reason why you should first either replace your OEM radio with a better quality one, or connect an external amplifier with RCA lines... Or even both, as integrated amplifiers always deliver low power outputs because of insufficient room and overheating, even inside expensive head units. Mine even has NO integratred amplifiers at all.

    But the factory speakers are OK unless you install high end head unit and amplifiers, or you won't hear any difference but sounding lower. Now you've been warned.
    Last edited by Z80; 9th October 2012 at 04:41.

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    VIP-Member Z80's Avatar
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    Vehicle : Opel Vectra GTS

    Trim : Elegance

    Engine : 2.2 DTi 16V

    Year : 2003

    Mileage : 75 000

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    About the types of speakers to use, there's room for 16,5 cm (6.5") speakers, but you'll have to add a spacer to mount them. You'll fidn plastic spacers made for the Vectra, but I don't recommend them : if you're going to play a bit lound, the door and speaker will probably rattle if mounted like that. The best is to make your own spacers out of MDF "wood". I can give you templates to help you. Doing so will also allow you to fit smaller speakers (13 cm - 5") for instance or even larger ones, like 18 cm (7") woofers. I'm even currently running with 5" fronts and 7" rears in an active 3 way setup (just a first try before trying to fit both 7" and 5" at the front - not an easy task BTW). Fitting 7" in the rear doors needs to pile up two spacers of different outer sizes, but it works - and the original door card is even put bck in place over them so you can't notice anything at first glance.

    About the brands or types of speakers, you'll want to use good quality ones, or it really won't be worth the expense. OEM ones are really good for what they're worth. As most paper membrane speakers, they feature a very high sensitivity, so they don't need a high power amplifier, and also have the best possible dynamic. They're just have a limited power handling, meaning you won't win an SPL competition with them, but you'll probably won't be able to push them to the limit with an ordinary amplifier (most 4 channels amplifiers deliver between 4x50 W and 4x75 W, which will match any OEM or aftermarket speakers), and you'll certainly not push them to the limit with any car radio integrated amplifier, so you really don't need to change your speakers prior to any other change.

    You'll also probably don't want to fit coaxial dual channel speakers, as these ones are generally the cheaper made and low quality ones (but there are exceptions), plus your car already has tweeters, so you'll end up having too much trebble where the Vectra OEM setup mostly lacks bass.

    What you're calling "component" speakers are actually ordinary ones, i.e. just single woofers, ready to fit into your doors. You won't need complete component systems if you're not intending to change your tweeters as well, so no need to spend on additional filters, as the Vectra's integrated tweeters have their own filters already (OK, it's just a capacitor in serial, giving a 6 dB/octave slope filtering, but it's often the best possible filtering, especially when used with high sensitivity wide range woofers as the factory speakers actually are). Just buy separate woofers and there you go.

    Avoid cutting the factory speakers connectors. You'll be sorry if you ever want to put back the OEM speakers to resell the car, or if you end up with too short wires or if rusty screws in terminal blocks have you open your door cars to fix them every now an then. Buy adaptors. You'll find them easily, as they're the same for Renault, VW, Nissan and Audi, so they're very widespread and cheap. Solder the adaptors wires to the speakers terminals, plug the connectors in, screw the speakers in the spacers, job done, and cleanly done.

    Maybe purists will tell you to drive your own wires to the doors and solder them to the speakers, but you really don't need that for the power involved. Keep things simple, but keep them tidy : just use adaptors, and use the existing wires. If you'll be using an external amp, consider buying a male ISO plug, so you'll be able to plug your amplifier outputs directly to the existing speaker wiring. It will save you a lot of hassle.

    If you're interested in how to upgrade your audio setup using most of the existing wiring, I can post some pictures to help you.

    One last word : if you're going to use more amplifiers power, you'll also need to sound damping your doors, or you'll just hear rattles and bells. Stick tar foils, Dynamat, Plain-chant or whatever on all the accessible metal parts - inner and outer wall - inside the doors. Then only you'll be able to have a better sound. Otherwise, changing your speakers will just be throwing money away.

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