1986 Ford F-350 Speaker Sizes
The 1986 Ford F-350 speaker size chart provides factory specifications for audio system components in two locations. Information covers front door panel and rear door panel positions. Data supports aftermarket replacement or upgrade projects by detailing stock speaker configurations. Specifications help match compatible audio equipment to original factory mounting locations.
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| Location | Size | Type | Notes |
|---|---|---|---|
| Front Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Door Panel | 6x9 | Full-Range |
|
1986 Ford F-350 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: 01986 Ford F-350 Radio Slot Size (DIN)
| DIN Type | Size (inch) | Size (mm) | Notes |
|---|---|---|---|
| Single DIN or Double DIN | 7"×2" or 7"×4" | 180×50 or 180×100 | Vehicle supports both radio sizes |
- Always measure the slot before purchasing a new radio
- Check slot depth - it may vary
Additional Notes
- The 1986 Ford F-350 front door panels accommodate 6.5-inch speakers, which can accept either midbass drivers or full-range units depending on the audio system configuration. Midbass speakers typically handle frequencies from approximately 80 Hz to 500 Hz, while full-range speakers cover a broader spectrum from bass through midrange to treble frequencies.
- Rear door panels in this vehicle feature 6x9-inch openings designated for full-range speakers. This oval format provides greater cone surface area compared to round speakers of similar dimensions, potentially offering enhanced bass response and overall output within the same mounting space.
- When replacing factory speakers in the 1986 Ford F-350, the front locations may be prioritized if a component system is being installed, as the 6.5-inch positions can support dedicated midbass drivers paired with separate tweeters mounted elsewhere. The rear 6x9-inch locations would then complement the system with full-range coverage for rear passengers.
- Aftermarket speaker installation could yield noticeable sound quality improvements over original equipment, particularly in frequency response accuracy, power handling capacity, and sensitivity ratings. Component speakers in the front positions generally provide better stereo imaging and soundstage depth than coaxial designs.
- The vehicle's radio compatibility with both Single DIN and Double DIN head units provides flexibility for audio system upgrades. Double DIN receivers often include features such as larger displays, touchscreen interfaces, and advanced audio processing capabilities that can enhance the performance of upgraded speakers.
- Full-range speakers suitable for the rear door panels typically incorporate multiple driver elements, such as a woofer cone with an integrated tweeter, to reproduce the complete audio spectrum. This design contrasts with component systems that separate these functions across multiple specialized drivers.