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5/30/2008

Continental Drift - Realm 1963 Lincoln Continental




Car audio upstart realm knows class when it sees it. The two-yearold california company needed a vehicle to effectively showcase its line of loudspeakers, amplifiers and low-frequency transducers. While most outfits would go straight to the newest thing on the block, realm instead looked backwards and found itself a '63 Lincoln continental, complete with front and back bench seats and suicide doors. "Sweet" doesn't even begin to describe it.

Before the continental could be suitable for an audio installation, it had to have a little work done. in-house experts Trevor Kaplan and Nathan Perkins, who would also tackle the audio portion of the installation, went to work on the Kennedy-era Lincoln, straightening and smoothing bodylines, adding a factory-restored Lincoln Land suspension and custom stainless steel exhaust system. The 430cid engine was rebuilt by Extreme automotive, and coats of Porsche charcoal gray and metallic silver were added by L&g autobody in San dimas, ca. Lastly, 288ft of accumat Hyperflex amT060HF sound damping material was tucked in around the entire vehicle. The car also received a box of accumat amT250 sound barrier on the floor of the passenger cabin. as Kaplan says, "a big car requires a lot of mat."

Head UnitSitting high and front and enter in the Lincoln's dash is a Pioneer dEHP790bT head unit. To make the modern component fit in this classic dash, a trim ring was customfabricated using the original radio's faceplate as a template. Thus, the classic lines were maintained without remaining slavish to tradition.

Front And Rear SpeakersThe get the proper sound upfront, the realm team decided to think outside of the box and create a 3-way component set from two different pre-existing sets. First, realm LS5c 5.25" component sets were installed in custom-molded kick panels fabricated from floating wood rings and wrapped in fiberglass. To round out the sound, a 6" woofer from the company's LS6c 6.5" component set was installed in each front door and bandpassed using a passive crossover network. The midbass woofers were molded into the door pulls by forming wood and stretching glass over the support structure to achieve the desired shape.
For the rear suicide doors, realm LS6c 6.5" components were molded into the rear door pulls to match the front. "The rear speakers are on a separate amp, which can be independently turned off for SQ front staging," Kaplan explains.

AmplificationA total of six amps make up the amplification array in the continental's trunk, placed just in front of the sub box. Three realm d500.1 class d amps power the three LFT12-d4 woofers, one per at a 2-ohm load. additionally, three realm a300.2 2-channel amps power the component sets: one to the kick panel 5.25" components, one to the 6" midbass door speakers and one to the 6" rear door components.
Rounding out the install are an EFx Edc1700 battery under the hood in the stock location and an EFx Edc1200 battery in the trunk, connected to the distribution blocks. EFx cable and speaker wire were used throughout.

SubwoofersYou'd think a vehicle like a '63 Lincoln continental would have plenty of trunk space with which to achieve loud and tight bass. However, you would be wrong. "as big as the trunk is in that car," Kaplan reveals, "the shape [of the trunk interior] and rear axle hump ate up much of the space, barely leaving us room for our box and amprack." So what did they manage to squeeze into the back of the continental? Try three realm LFT12-d4 subwoofers, two firing into the vehicle and the middle into the box itself. The subwoofer enclosure was made of mdF with an acrylic face and top. Stainless steel sheets cover the mdF. The sub enclosure ended up yielding 2.7ft altogether, or 0.9ft per woofer.

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