Acura TL Rear Door Panel Speaker Size
The Acura TL rear door panel accommodates a 3.5 inch speaker size, 6.5 inch speakers, and 6x9 inch units across various model years. Compatible audio types across these locations include midrange, midbass, and full-range units. The specifications cover a range of years from 1995 to 2014.
| Year | Type | Size (inch) |
|---|---|---|
| 2014 | Midrange | 3.5 |
| 2013 | Midrange | 3.5 |
| 2012 | Midrange | 3.5 |
| 2011 | Midrange | 3.5 |
| 2010 | Midrange | 3.5 |
| 2003 | Midbass / Full-Range | 6.5 |
| 2002 | Midbass / Full-Range | 6.5 |
| 2001 | Midbass / Full-Range | 6.5 |
| 2000 | Midbass / Full-Range | 6.5 |
| 1999 | Midbass / Full-Range | 6.5 |
| 1995 | Full-Range | 6x9 |
Speaker Types
| Type | Description |
|---|---|
| Midrange | A driver for the middle of the audible range, typically from about 300 Hz to 5,000 Hz, where vocals and most instruments sit. It is often paired with a tweeter and a woofer. |
| Midbass | A driver tuned for upper bass and lower midrange, roughly from 80 Hz to 500 Hz. It has longer cone travel than a full-range unit, which supports stronger bass in doors and panels. |
| Full-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 Acura TL rear door panel is a flush-mount location recessed within the interior door trim, where available depth and baffle dimensions are constrained by the door's inner structure and panel thickness.
- Door panel speaker locations are typically affected by road noise and low-frequency vibration from the door skin, which influences the mechanical demands placed on any driver mounted there.
- The 3.5 inch diameter fits the rear door panel of the Acura TL across the 2010 through 2014 model years, a relatively compact diameter for a door location where larger cutouts are often found.
- A 3.5 inch driver has a small cone surface area, which limits its ability to move significant air volume and confines its effective acoustic output to the upper midrange frequency band, roughly 500 Hz to 5 kHz.
- Midrange speakers are designed to reproduce vocals and upper-harmonic instrument content with clarity, and at 3.5 inches in the rear door panel, the driver operates within the frequency range where human speech intelligibility is concentrated.
- The 6.5 inch diameter present in the 1999 through 2003 rear door panel specifications provides a larger cone area relative to the 3.5 inch configuration, allowing for greater air displacement and extension toward lower frequencies.
- A midbass driver at 6.5 inches is suited to the lower midrange and upper bass region, approximately 80 Hz to 500 Hz, making the rear door panel location in those model years capable of reproducing foundational instrument body and lower vocal resonance.
- Full-range drivers, listed as compatible for the 6.5 inch rear door application in the 1999 to 2003 models, are designed to reproduce a broad frequency span within a single driver, covering bass, midrange, and treble content from a single cone and dust cap.
- The 6x9 inch oval configuration listed for the 1995 rear door panel represents a non-circular footprint, which requires an elongated cutout in the door panel and a mounting depth that accommodates the larger frame dimensions.
- A 6x9 inch driver has a cone area exceeding that of a standard 6.5 inch round driver, which enables greater low-frequency output and louder overall acoustic output from a given power input in the rear door panel location.
- Full-range designation for the 6x9 inch driver in the 1995 specification indicates the driver is intended to handle the full audible spectrum without supplemental tweeters or woofers in that mounting position.
- The rear door panel location places speakers at a lower height within the vehicle cabin compared to dash or sail panel positions, which affects the directional characteristics of high-frequency content reaching the listening position.