1989 Ford F-250 Speaker Sizes
The 1989 Ford F-250 factory audio system features front door panels that accommodate 6.5 inch speakers, while rear door panels accept 6x9 inch units, establishing a designated 6.5 inch speaker size benchmark for the enclosure. Compatible speaker types for audio replacement and upgrade include midbass and full-range configurations.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| 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.