1989 Cadillac Brougham Speaker Sizes
The 1989 Cadillac Brougham speaker size chart provides factory specifications for replacement or aftermarket audio components. Information includes speaker locations within the vehicle and corresponding sizes for front door panel and rear deck lid positions. Data assists with identifying compatible upgrade options for the factory audio system.
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| Location | Size | Type | Notes |
|---|---|---|---|
| Front Door Panel | 5.25 | Midbass / Full-Range |
|
| Rear Deck Lid | 6x9 | Full-Range |
|
1989 Cadillac Brougham 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: 01989 Cadillac Brougham 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 Cadillac Brougham features front door panel speakers at 5.25 inches, which can accept either midbass or full-range speaker types. This dual compatibility suggests that the front location may serve as the primary sound source when using full-range drivers, or could be paired with separate tweeters if midbass drivers are selected instead.
- Rear deck lid positions accommodate 6x9 inch full-range speakers in the 1989 Cadillac Brougham. The larger surface area of 6x9 speakers typically provides enhanced bass response compared to round speakers of similar diameter, which could contribute to improved low-frequency output from the rear soundstage.
- The single DIN radio specification indicates a standard head unit opening that measures approximately 2 inches in height. This configuration was common during the late 1980s and may limit installation options for touchscreen units without additional mounting adapters or modifications.
- Full-range speaker compatibility across both locations suggests that the factory audio system likely relied on speakers handling the entire frequency spectrum rather than using separate components. Replacing these with modern full-range or component speakers might offer noticeable improvements in clarity and frequency response across all listening positions.
- The front door panel location at 5.25 inches represents a relatively compact speaker size that was typical for door-mounted applications of that era. While smaller than many contemporary aftermarket options, this size can still deliver adequate midrange performance when paired with quality drivers featuring appropriate materials and motor structures.