The Eagle Premier rear deck lid accommodates a 6x9 inch speaker size across all listed model years. Full-range units represent the compatible audio system type for the rear deck lid location. These specifications cover the 1988 to 1992 model year range.
A single driver that reproduces bass through treble without a separate crossover network. It is the simplest replacement option and is common in factory audio systems.
Additional Notes
The rear deck lid of the Eagle Premier is a flat, horizontal surface located at the top of the trunk compartment, positioned beneath the rear window and above the trunk cavity.
Mounting in a rear deck lid places speakers in a rearward-facing or upward-radiating orientation, directing sound toward the rear passenger headrests and the cabin ceiling before reflection into the listening area.
The 6x9 inch oval format is a larger footprint than round alternatives, requiring a cutout and mounting depth that the rear deck lid structure must accommodate within a shallow, flat panel.
The elongated oval shape of a 6x9 inch driver produces an asymmetric radiation pattern, with the longer axis influencing horizontal dispersion across the rear cabin width.
A 6x9 inch cone area is substantially larger than a 6.5 inch round equivalent, which allows for greater low-frequency displacement and higher acoustic output at bass frequencies from a single driver position on the Eagle Premier rear deck lid.
Full-range speakers are designed to reproduce the entire audible frequency spectrum - typically from below 100 Hz through 20 kHz - within a single driver unit, without requiring an external crossover network or supplemental tweeter at the installation location.
In a rear deck lid position, a full-range 6x9 inch driver handles both midbass and high-frequency content simultaneously, making the integrated tweeter element within the full-range unit responsible for rear-cabin treble reproduction.
The rear deck lid location creates an acoustic coupling effect with the trunk cavity below, where the airspace behind the cone influences low-frequency response and may act as a passive loading volume for the woofer cone of a full-range driver.
The Eagle Premier rear deck lid specifies full-range as the sole compatible type across all listed model years, meaning component two-way or three-way systems with passive crossovers are not listed as compatible configurations for the Eagle Premier rear deck lid position.