1989 Ford F-150 Speaker Sizes
The 1989 Ford F-150 factory audio system features front door panels that accommodate 6.5 inch speakers, while rear door panels support 6x9 inch units. Compatible types for an upgrade and replacement consist of midbass and full-range.
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-150 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-150 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-150 front door panels accommodate 6.5-inch speakers, which can serve as either midbass drivers in a component setup or as standalone full-range units depending on the audio system configuration.
- Rear door panels accept 6x9-inch full-range speakers, offering a larger cone area compared to the front positions for potentially enhanced bass response and overall output capability.
- Replacing factory speakers typically addresses degraded paper cones, worn surround materials, and weakened voice coils that may have deteriorated over three decades of use.
- Component speakers in the front position would likely provide superior imaging and frequency separation compared to coaxial designs, though installation complexity increases with separate crossover networks.
- The oval 6x9-inch format in the rear provides flexibility between full-range coverage and dedicated midrange support when paired with an aftermarket subwoofer system.
- Aftermarket speakers with higher sensitivity ratings than original equipment may produce noticeably louder output when driven by the factory radio or a replacement single DIN head unit.
- Upgraded tweeters in component front speakers would extend high-frequency response beyond what coaxial or factory units typically reproduce, particularly above 15 kHz.
- Power handling specifications on replacement speakers should align with amplifier output to avoid thermal voice coil damage or mechanical cone excursion limits.