I need to replace the large front speakers and I need to know what fits and where to buy them. I've searched and they are 4" speakers yes? What depth will work? I have infinity's in there now but they are old and worn out and work only intermittently especially over bumpy roads. Can someone point me to a speaker/source and say "Here, buy these". Thanks.

 

Crutchfield.com has an excellent "what fits my car" link that will give you a list of speakers that will fit with no modifications. You can usually find the speakers cheaper elsewhere on the web, but this will give you a good starting point as to what you can easily fit into your car. Big magnets and deep speaker baskets usually won't fit in our doors without some surgery. I found some 4" JBL GTO series door speakers that just barely fit by using the crutchfield site. These were for my now sold 84 USA, not my current 87.

 

Where would I start to look for the cause? That's alot of wiring to go through to isolate it and I had considered that as a possibility but it seems to be one front speaker in particular that is doing it

 

Past threads reccomended these guys- http://digitalsounddirect.co.uk/shop...s_id/1634.html

 

Alpine makes a direct 4 inch coxial aluminum replacement. Drops right in and even uses the same screw holes.
Rich

 

My (83 S) fronts are 4" speakers, but they are mounted on a bigger plate , at least 6" x 4" bolt pattern, if not 8 x 4 (not in front of me). I believe I have seen an early door panel with an oval speaker that fitted directly on the mount screws without a plate somewhere?
Cutting out is almost certainly a loose wire/connector, probably in the door, either breaking contact, or possibly shorting out to earth?
jp 83 Euro S AT 50k

 

Swap the front L&R speakers - if the fault moves to the other side its the speaker - if not its the amp, crossover, wiring or headunit.

Do the same for as long as you need - swap the crossovers L to R, swap the L/R channels at the amp outputs and/or at the head unit... figure out where it is that way... then fix the cause.

You probably won't regret new speakers - except if you still have the same intermittent problem...

Alan

 

I replaced both the four inch and the tweeter with MB Quart URA 210 speakers. If you remove the mounting ring from the original spearkers they fit the ring. I just glued them in with JB Weld. The depth of the speakers was perfect. I removed the old tweeter from the mounting ring and put in a black piece of plastic. I cut a hole for the new tweeter in the plastic. The original Porsche grills fit over the speakers quite nicely. I think there are three levels of quality in this series of speakers.

 

If the foam/rubber surround is completely shot, it will allow the speaker voice coil to short out on the magnet inside the speaker. Swap out the speakers first like Alan mentioned in post #8 above.