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<blockquote data-quote="maylar" data-source="post: 8874581" data-attributes="member: 541144">If your Delta is an Oldsmobile Delta-88 I can relate. I had an 85 Royale that was my first serious install project. 3.5&#039;s in the dash should not be amped. Just run them off HU power and be sure to high pass them above 600 Hz. I blew out lots of them with just HU power. My favs were Boston Acoustics S35 which unfortunately don&#039;t exist any more. I would consider any of the $70 units at Crutchfield, but be aware that &quot;50 WRMS&quot; is a big fat lie.Also be wary of coaxials, because the tweeter can make installation into the factory grill a challenge. I also remember having to make the holes bigger to accommodate the big magnets.My solution was to put 5-1/4 &#039;s in the front doors and amp those.My 6X9&#039;s in the rear deck were also Boston&#039;s and I think the Kicker KS series look good. I would avoid anything with metal tweeters because you don&#039;t want a lot of highs in your rear fill.</blockquote>

[QUOTE="maylar, post: 8874581, member: 541144"] If your Delta is an Oldsmobile Delta-88 I can relate. I had an 85 Royale that was my first serious install project. 3.5's in the dash should not be amped. Just run them off HU power and be sure to high pass them above 600 Hz. I blew out lots of them with just HU power. My favs were Boston Acoustics S35 which unfortunately don't exist any more. I would consider any of the $70 units at Crutchfield, but be aware that "50 WRMS" is a big fat lie. Also be wary of coaxials, because the tweeter can make installation into the factory grill a challenge. I also remember having to make the holes bigger to accommodate the big magnets. My solution was to put 5-1/4 's in the front doors and amp those. My 6X9's in the rear deck were also Boston's and I think the Kicker KS series look good. I would avoid anything with metal tweeters because you don't want a lot of highs in your rear fill. [/QUOTE]

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