1989 Buick Reatta Speaker Sizes
The 1989 Buick Reatta factory audio system features a dashboard that accommodates 4 inch speakers, and the rear deck lid can accept 6x9 inch units. Midrange and full-range are compatible speaker types for a replacement upgrade.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| Location | Size | Type | Notes |
|---|---|---|---|
| Dashboard | 4 | Midrange |
|
| Rear Deck Lid | 6x9 | Full-Range |
|
1989 Buick Reatta Speaker Replacement Summary
2
total positions
1
easy to replace
0
high priority
0
professional only
Replacement difficulty:
Low: 1 Medium: 1 High: 0Replacement priority:
High: 0 Medium: 2 Low: 01989 Buick Reatta 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 1989 Buick Reatta uses a dashboard-mounted 4-inch speaker configuration that accommodates midrange drivers, suggesting a focus on vocal and instrumental frequency reproduction in the front soundstage rather than full-spectrum coverage from this location.
- Rear deck lid positions in the 1989 Buick Reatta accept 6x9-inch full-range speakers, which typically provide broader frequency response capabilities including bass extension that the smaller dashboard units may not deliver.
- Upgrading the rear deck speakers might offer more noticeable sonic improvements given their full-range design, as these units handle both low and high frequencies while the dashboard speakers operate in a more limited frequency band.
- The single DIN radio specification indicates compatibility with standard aftermarket head units, potentially allowing for modernized source components to pair with upgraded speaker installations.
- Midrange speakers in the dashboard position may benefit from careful replacement selection, as this type focuses on specific frequency ranges where human hearing is most sensitive, making quality differences potentially more audible than in other frequency bands.
- The 6x9-inch format in the rear provides physical space advantages for moving more air compared to smaller speakers, which could contribute to fuller bass response depending on the replacement speakers chosen.