I think the best choice would be for you to send your Grand Prix unit back to Becker of North America and have them give it a complete "tune-up". As far as speakers, I'd pull the stock ones out and go for ones by MB Quart (good German brand. They should have the correct sizes to fit in the stock openings. Or, if you are a complete originality freak, call Becker and have them send you a new full line catalog, in there, you'll find everything from receivers to amps to speakers. Find their ad in The Star magazine, or I can e-mail it to you. Hope this helps!


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Rgds,
Aaron Greenberg
MB technician
'67 250SE Cabriolet
'77 450SL
'79 6.9
'79 6.9
'80 300SD
'81 240D
'85 380SE
'89 420SEL
'93 300E 2.8