1989 Eagle Summit Speaker Sizes
The 1989 Eagle Summit factory audio system includes specific mounting locations. The dashboard accommodates 4 inch speakers, and the rear door panel accommodates 6x9 inch units. Compatible speaker types for system replacement and upgrade consist of midrange and full-range options.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| Location | Size | Type | Notes |
|---|---|---|---|
| Dashboard | 4 | Midrange |
|
| Rear Door Panel | 6x9 | Full-Range |
|
1989 Eagle Summit Speaker Replacement Summary
2
total positions
1
easy to replace
0
high priority
0
professional only
Replacement difficulty:
Low: 1 Medium: 1 High: 0Replacement priority:
High: 0 Medium: 2 Low: 01989 Eagle Summit 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 Eagle Summit front speaker locations utilize 4-inch openings designated for midrange drivers, which suggests the factory configuration may have relied on separate tweeters or a basic frequency distribution system rather than full-range coverage from the dashboard position.
- Rear door panel positions accommodate 6x9-inch full-range speakers, indicating these locations likely served as the primary sound source for lower frequencies and overall audio output in the factory audio system.
- The disparity between front midrange and rear full-range configurations implies that upgrading the dashboard speakers to coaxial designs with integrated tweeters could help balance the soundstage, though the 4-inch constraint limits low-frequency extension.
- The 6x9-inch format in the rear doors provides more cone area compared to the front speakers, which may have resulted in a rear-biased sound presentation in the 1989 Eagle Summit original setup.
- Replacing the rear speakers might yield the most noticeable improvement in overall sound quality due to their full-range designation and larger surface area for moving air, particularly in mid-bass reproduction.
- The single DIN radio specification indicates standard aftermarket head unit compatibility, which could support upgraded speakers with higher power handling and sensitivity ratings than the original components.
- Component speaker systems would face installation challenges in the dashboard locations given the 4-inch midrange specification, potentially requiring custom mounting solutions or adapter brackets for proper fitment.