1989 Ford F-250 Speaker Sizes
The 1989 Ford F-250 speaker size chart provides factory specifications for replacement or aftermarket audio system components. Information covers speaker locations in the front door panel and rear door panel positions. Details include factory specifications to help match compatible aftermarket upgrade options with original audio system configurations.
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| Location | Size | Type | Notes |
|---|---|---|---|
| Front Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Door Panel | 6x9 | Full-Range |
|
1989 Ford F-250 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 Ford F-250 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 Ford F-250 uses round 6.5-inch speakers in the front door panels and oval 6x9-inch speakers in the rear door panels, suggesting a two-size speaker configuration was standard for this model year.
- Front door panel speakers accept both midbass and full-range driver types, indicating these locations may benefit from dedicated low-frequency reproduction or all-frequency coverage depending on the chosen replacement design.
- Rear door panel speakers accommodate only full-range types, which typically handle the entire audio spectrum through a single cone assembly rather than separating frequency ranges across multiple drivers.
- The oval 6x9 format in rear locations generally provides greater cone surface area compared to the round 6.5-inch fronts, potentially offering higher output capacity and extended bass response from the rear positions.
- Single DIN radio fitment indicates a standard one-unit-height head unit opening, which was common during this production period and remains compatible with many aftermarket receiver options.
- Replacing door panel speakers with higher-sensitivity models could produce noticeable volume increases at the same amplifier output levels, while upgraded materials in voice coils and surrounds may extend frequency response and reduce distortion.
- The availability of both midbass and full-range options for front positions allows for either standalone speaker upgrades or integration into component systems where separate tweeters handle high frequencies.