I did a lot of research and planning before beginning. The Sundown has 15mm of excursion and only needs 4.5" of depth.ģ. I didn't like the specs for most shallow mount subs. It also allows for more depth for the subwoofer. Most setups cause the sub to contact the seatback when the seat is up. I can still play the sub at full volume even with the seat up. The LMI seat brackets move the seat forward 2.5 inches. They will handle more power and provide a better sound.Ģ. I'm currently looking at Morel Tempo Ultra 692 6x9 separates for the front and Morel Tempo Ultra Integra 602 6.5 coaxials for the rear. With this setup, I get some distortion with the volume at full. I have the fronts set at -5db gain and the rears at 0db with the sub at -10db. The amp puts out 100w so I have the gain set lower. The JBLs are rated at 90w front and 65w rear. I'm planning to upgrade the door speakers to something a little higher quality with a higher power handling. Misc ABS, MDF, wiring, heat shrink, wire loom, ferrules, ring terminals, carpet, vinyl, etc. LMI 1520 SA Seat relocation brackets $165 Sounds Good Stereo door block off plates $100 See the cost breakdown below for all the details.ĭigi-key 0310671040 and 2-1419158-5 tweeter plug $10 I might upgrade the door speakers at some point. It hits hard for a single 10 and sounds very good. I wanted an impressive system that was fully hidden and didn't take up any space on the rear floor (need that for the dogs). Overall, I'm very impressed with the results. Power and ground run across the top of the back wall of the cab then up the passenger side to a custom ABS fuse mount. Front and rear channels tie into the factory harness at the amp using PAC APHFD01 harness. Singer 4000series 6channel RCAs run done the driver side to a custom ABS amp rack that mounts the stock Sony amp on the backside and a Rockford Fosgate T1000x5AD amp on the front. Signal came from the factory unit with a PAC AP4FD21 for 5V flat preamp output. I also made a custom wiring plug adapter for the tweeter. I made a custom ABS bracket for the tweeters and wrapped them in butyl foam. Connection is done via a SMD terminal cup.įor speakers, I am running JBL club 6.5 coaxes in the rear and JBL Club 6x9 separates for the front. The box is carpeted except for the front, which is vinyl. The SD4 is designed for between 0.50 and 0.75 ft3. I used 3/4 MDF and ended up with 0.67 ft3 of airspace. Then I built a custom sub box for a single Sundown SD4-10 D2. I also replaced the plastic sheet on the doors with ABS block off panels panels from Sounds Good Stereo. Then I did 80mil inside and outside on the doors and 50mil on the back of the door panels. I used Kilmat 80mil on floor and back wall of cab. I thought I would document my system upgrade.
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