1989 Porsche 911 Speaker Sizes
The 1989 Porsche 911 speaker size chart provides factory and aftermarket audio specifications for replacement or upgrade purposes. Information includes speaker locations in the front door panel and rear door panel areas. Details cover factory audio system configurations and compatible aftermarket specifications for each location within the vehicle.
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| Location | Size | Type | Notes |
|---|---|---|---|
| Front Door Panel | 5.25 | Midbass / Full-Range |
|
| Rear Door Panel | 4x6 | Full-Range |
|
1989 Porsche 911 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 Porsche 911 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 Porsche 911 features a single DIN radio opening, which provides flexibility for aftermarket head unit installation when considering audio system upgrades.
- Front door panel speakers in this configuration accept 5.25 inch units, which can accommodate either midbass drivers or full-range speakers depending on the desired audio setup.
- Rear door panel locations are designed for 4x6 inch full-range speakers, representing the only compatible type for these positions in the 1989 Porsche 911.
- The front speaker positions may benefit from midbass drivers if a component system with separate tweeters is planned, while full-range options could maintain simplicity.
- Replacing the rear panel speakers first might offer noticeable improvement in overall cabin sound distribution, though front speakers typically handle primary audio duties.
- The 4x6 inch format in the rear presents a less common speaker size compared to round alternatives, which could influence replacement options during selection.
- Component speaker systems at the front locations would utilize the 5.25 inch openings for woofers, requiring separate tweeter mounting elsewhere in the cabin.
- Sound staging could potentially improve by prioritizing front speaker replacements given their typical role in directing audio toward occupants.