Speaker sizes for rear deck?

Interior

  1. koosh

    koosh Well-Known Member

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    Anyone know the 2 different speaker sizes on the rear deck of a 69 RR? It looks like 1 is 6X9, the other is a different size, and oddly enough, it points in a different direction!
     
  2. rumblefish360

    rumblefish360 Well-Known Member

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    A 6X9 will fit. The actual moving part, the base part of the speaker, makes contact the rear deck. The same also for the odd ball 6X8 whichwill also fit. A 5X7 will will mount in and the speaker itself will be inside of the deck cut out.

    Depending on the manufacturer, because there not all exactly the same when it comes to mounting holes beileve or not and why I don’t know but a slight chamferintake may be in order or a simple redrilling for a hole.

    Also depending on the speaker, the mounting area can be deeper on some models or another. This is a great help because
    It moves the speaker downwards helping clear the big moving woofer away from the deck.

    Go to Crutchfeild and look up speaker spec’s. The speaker manufacturer should have height with depth dimensions for the speakers on the box. So this way Crutchfield should! Also have the specs listed for you if you cannot read it on the box itself on their website.

    And if you don’t already know, supply the speakers with plenty of good clean power. Even if you don’t use it, it helps make the speakers shine and sound great.
     
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    • 493 Mike

      493 Mike FBBO Gold Member FBBO Gold Member

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      That odd looking opening was for a optional rear window defogger. I don't recall 4 speaker stereo systems in 1969, so no provisions were made by Chrysler.
      Mike
       
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      • 69a100

        69a100 Well-Known Member

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        What's it say when you take a tape measure to it? That's your most honest answer. Good Luck
         
      • koosh

        koosh Well-Known Member

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        a defogger all the way to the drivers side near the corner? doesn't seem like a formidable spot for clearing the window....
         
      • YY1

        YY1 Well-Known Member

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        One of the lovable idiosyncrasies of our cars along with left handed lug nuts.

        defogger vent went in slot.

        blower motor for defogger went in 5x8 hole.

        optional rear speaker went in 6x9 hole.
         
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        • rebel513r

          rebel513r Well-Known Member

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          The hole on the drivers side is for both a speaker and defroster fan. Doesn't seem very practical to draw air in through the speaker.

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        • koosh

          koosh Well-Known Member

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          Wait.......left handed lug nuts? I thought those were gone by 1969!?
          (Newbie owner)
           
        • oldbee

          oldbee FBBO Gold Member FBBO Gold Member

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          There was no FM stereo in ‘69, so no need for 4spkrs. The defogger wasn’t much more than a fan to blow air over rear glass, heck ,it pulled some non-heated air from the trunk.
           
        • YY1

          YY1 Well-Known Member

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          ...and high torque, low RPM starters.
           
        • bee71

          bee71 Well-Known Member

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          The standard rear speaker back then was a 5x7 on the drivers side. The 6x9 opening on the passenger side was for the rear defogger fan assembly.
           
        • 493 Mike

          493 Mike FBBO Gold Member FBBO Gold Member

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          I purchased 2- 4" round speakers for the factory holes in the rear deck of my 65 Coronet. That should work for me.
          Mike