1981 Dodge St. Regis Speaker Sizes
The 1981 Dodge St. Regis speaker size chart provides factory speaker specifications and locations for replacement or aftermarket audio system upgrades. Information includes dashboard and rear speaker positions with corresponding factory sizes. Details assist in identifying compatible replacement speakers and planning audio system modifications using OEM specifications.
As an Amazon Associate, we may earn a commission from purchases made through links marked. Read more in our disclaimer.
| Location | Size | Type | Notes |
|---|---|---|---|
| Dashboard | 3.5 | Full-Range |
|
| Rear | 6x9 | Full-Range |
|
1981 Dodge St. Regis Speaker Replacement Summary
2
total positions
0
easy to replace
0
high priority
0
professional only
Replacement difficulty:
Low: 0 Medium: 2 High: 0Replacement priority:
High: 0 Medium: 2 Low: 01981 Dodge St. Regis 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 1981 Dodge St. Regis came equipped with two distinct speaker locations that accommodate different size configurations, suggesting a basic two-point audio setup common in vehicles of this era.
- The dashboard position accepts 3.5 inch full-range speakers, which typically handle mid-range frequencies and some treble reproduction, though this smaller format may present limitations in bass response.
- Rear speaker positions utilize the larger 6x9 inch full-range format, which generally provides broader frequency response capabilities compared to the dashboard units due to increased cone area.
- The single DIN radio specification indicates a standard-height head unit opening, which affects aftermarket radio replacement options and may influence integration with more advanced audio components.
- Full-range speaker types in both locations indicate that the 1981 Dodge St. Regis system was designed to reproduce the entire audio spectrum from a single driver per location, rather than using separate component speakers for different frequency ranges.
- The rear 6x9 inch speakers potentially handle the majority of lower frequency reproduction in this configuration, as this oval format often provides better bass output than smaller round speakers.
- Upgrading the rear speakers might take priority over dashboard replacements when seeking sound quality improvements, given the larger surface area and potential acoustic advantages of the 6x9 inch format.
- The contrasting speaker sizes between front and rear positions could affect stereo imaging and tonal balance, particularly if replacement speakers have significantly different sensitivity ratings.