JBL GTO8628 - my experience so far I own a 2 week old Figo, which has lots in common with the Fiesta, including the 5x7" speaker recesses. I upgraded the stock speakers on all four doors with JBL GTO 8628s. On the rear doors there was a plastic spacer already in place (factory fitted, for some reason) and on the front there were none.
I retained the stock Ford HU.
End result: Vast improvement in sound stage, but groaning, rumbling, and vibrations from the two front doors, even at 30% volume, and without turning up the bass on the HU. I'm forced to fade the sound to the rear doors.
I was considering either a spacer on the front doors (maybe 0.5" MDF) or damping. How much would damping cost for the front doors alone? Where in BLR can I get this done? Or is the MDF spacer a good solution.
I mainly listen to rock and metal. Have any Fiesta owners experienced a similar problem on changing stock speakers in their front doors?
Awaiting your replies and suggestions!
Last edited by TNAWAYAJ : 28th August 2010 at 11:21.
Reason: Corrected typos
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