1990 Cadillac Allante Speaker Sizes
The 1990 Cadillac Allante speaker size chart provides factory specifications and locations for audio system components. Information covers replacement and upgrade options for front door panel and rear door panel positions. Factory speaker specifications are listed to assist with aftermarket installations and audio system modifications.
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| Location | Size | Type | Notes |
|---|---|---|---|
| Front Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Door Panel | 6.5 | Midbass / Full-Range |
|
1990 Cadillac Allante Speaker Replacement Summary
2
total positions
2
easy to replace
1
high priority
0
professional only
Replacement difficulty:
Low: 2 Medium: 0 High: 0Replacement priority:
High: 1 Medium: 1 Low: 01990 Cadillac Allante Radio Slot Size (DIN)
| DIN Type | Size (inch) | Size (mm) | Notes |
|---|---|---|---|
| Single DIN | 7"×2" | 180×50 | Standard size for basic car radios with small display or no display |
- Always measure the slot before purchasing a new radio
- Check slot depth - it may vary
Additional Notes
- The 1990 Cadillac Allante features uniform 6.5 inch speaker openings in both front and rear door panels, suggesting a straightforward replacement approach for those considering audio upgrades.
- Both door panel locations accept either midbass drivers or full-range speakers, providing flexibility in system design depending on whether a separate tweeter installation is planned or a simpler single-speaker solution is preferred.
- Midbass speakers typically handle frequencies from approximately 80 Hz to 4 kHz and require supplemental tweeters for high-frequency reproduction, while full-range designs attempt to cover the entire audible spectrum from a single cone.
- The door panel mounting positions may benefit from sound deadening material installation, as factory metal panels often lack adequate dampening and can introduce resonance that degrades speaker performance.
- A single DIN radio opening is standard for the 1990 Cadillac Allante, allowing for aftermarket head unit installations that can provide increased power output and signal processing capabilities to drive replacement speakers more effectively.
- Those selecting speakers for the 6.5 inch openings might consider sensitivity ratings, as higher sensitivity models require less amplifier power to achieve comparable volume levels compared to less efficient designs.
- The identical sizing front and rear allows for matched speaker sets, which can contribute to more consistent tonal balance throughout the cabin when properly configured through amplifier or head unit fading controls.