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(Post Link) post #1 of 3 Old 24-04-13 Thread Starter
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2003 Spider Sound System Help Please

Hey everyone,

So it's official, spring is here. Sadly, the stock speakers and HU are 10 years old and need to be replaced because all I hear from the "sub" is crackle, pop at loud volume levels... and bass is absent from the equation.

With summer almost here, I am looking to drop about 400-500 Euros on a complete new sound system. I could use recommendations from recent HU's, door speakers (both mains and tweets), and of course the "sub" in between the seats. Ideally, I would like to get a decent amplifier and place it in the box where the sub is housed. I just have no idea however what type of amplifier, strength, channels, bridges, Oms, etc that I need... and matching that to the door speakers.

Before I go and chat with a sound system "specialist", do you guys have any recommendations to put together a nice system? I have seen a few posts for GTV's but I am curious about the "3rd" channel sub beside the seats. Makes things a bit tricky I think, but I could be wrong...

Thanks for the support
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As far as a sub goes, can I offer up an easy solution...? Like you, I was going to build something into the original hole, but it's really only a 6" hole, and the space behind is an awkward shape.

Instead I bought a Fusion 8" active slimline sub (relatively cheap in NZ because it's an NZ brand, it is available in England and is probably 150 in your money). I screwed this onto the front of the bulkhead behind the driver's seat - on top of the carpet, which kills any rattles. Built-in amplifier, good solid kick to it. The enclosure is hardly noticeable with the seat back in the usual place - fits nicely.

You really don't want to be mounting a real sub inside that cubbyhole, as there are lots of things to rattle in there Mounting on the outside causes no difficulty at all - easy to get the power to it (battery is right behind), easy to run an RCA cable through the centre console and out under the back (there's foam underneath the carpet).

As for the front speakers - I do prefer sticking with the 5x7 size, but Infinity Kappas were larger (6x8) and a real nuisance to fit. The tweeters were much larger too. I fitted these to my last Spider, but in my current Spider I've still got the originals. Sound OK really, it's hard to justify trying to improve them - the biggest issue with the front speakers is a difficulty in getting any acoustic sealing. The shape of the hole in the door trim is quite unbelievable - there are a series of steps and the speaker has to come out to reach the bolts that hold the door trim on. If you fit a 5" round speaker, again there will be no acoustic sealing unless you do something very clever. Even the clips for the grille seem designed to require large slots in just the wrong places. The original speakers attempt to seal onto the grille, not into the door.

So, how about an 8" active sub, a new head unit, and then see what you think about the original speakers?


'00 GTV V6, '08 FIAT 500, shell and parts for a '71 FIAT 850 Coupe
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(Post Link) post #3 of 3 Old 29-05-13 Thread Starter
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Thanks Alex for the tips... been away for a while so sorry about the late reply. I will look into your suggestions... I think the position you mentioned for the subwoofer is definately better than say under the seat. I can go ahead and even pop in another 6" speaker between the seats to even it all out... I think I blew one of the 5x7 door speakers... either that or something just starting rattling in the door (which would be worse). Sealing is going to be tricky... anyone else have a good suggestion for front speakers that seal nicely? I heard that finding 5x7's that fit can be difficult? Many thanks to all for the help!
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