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They are not always the best places for sound reproduction. Using Factory Openings -The one advantage to using the factory openings is you avoid having cut sheet metal, as the holes are pre- punched. You normally have only to cut away thin plastic or fiber panels that conceal the openings. Openings near the floor should be avoided if at all possible. Be Innovative -If you’re mechanically inclined, remove door panels, dash, side panels, etc., and really get into the basic construction of the car. You’ll be amazed at the vast amount of good-toexcellent speaker locations a car can conceal. If You Don’t Wish to Cut Holes - Consider the hang-on or surface- mount type of speakers. Just pick a reasonably flat panel, drill a few holes, fasten a few screws, and you’re listening to stereo. INSTALLING OVAL SPEAKERS IN REAR DECKS OR FLAT SURFACES Most cars are factory-equipped with speaker openings in the rear deck (package shelf). By examining the underside of this panel, using trunk access, you will probably find at least one (usually two) oval-shaped holes in the steel underliner of the rear deck. The size of these holes vary with the make of car, but the most common openings are for 6”x9”, 5”x7”, and 4”x10” speakers. Occasionally, you’ll find a 5” or 5-1/4” round hole. Selecting the Speaker Location Use the following guidelines to select the speaker location: 1. Examine the deck panel thoroughly. Observe movement of the trunk springs, trunk lid, support hinges, power antenna, etc. Obviously, you don’t want to install a speaker where the arc of a moving trunk support would interfere with the speaker grille. Avoid all areas that might cause interference with the normal functions of the trunk lid and/or antenna assembly. CAUTION: Even professional installers have mounted a speaker and then found out it interfered with some moving part. 2. Check the speakers you have purchased against the existing holes in the steel sub-liner by placing the speaker against the -4 bottom of the opening and check that the speaker matches the shape of the existing cut-out. Also check that the four speaker mounting holes align with the four existing holes in the steel sub- liner. Cutting Speaker Opening Prepare the speaker opening as follows: NOTE: This procedure can also be used for any flat panel install (Wagons, Vans, etc.) that have sufficient space behind the panel for recessing the speaker. (The panel must be removable or accessible from behind.) 1. Provided that all holes align, place speaker aside and proceed to cut out the oval opening in the fiber panel that covers the existing hole in the steel sub-liner. NOTE: It is easier to cut the opening if you use a sharp serrated steak knife in a sawing motion. Use care not to over-cut the hole size by periodically checking the speaker grille. 2. Once the speaker openings have been cut, pierce the four speaker mounting holes and enlarge them to a diameter of 3/16”. Grille Installation Inspect the grille included with the speake...

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