1990 Honda Civic Speaker Sizes
The 1990 Honda Civic speaker size chart provides factory and aftermarket specifications for audio system replacement or upgrade. Available locations include front door panel, rear deck lid, rear wheel well, and rear side panel. Information covers standard factory speaker configurations and compatible aftermarket options for each mounting position within the vehicle's audio system.
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| Location | Size | Type | Notes |
|---|---|---|---|
| Front Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Deck Lid | 6.75 | Midbass / Full-Range |
|
| Rear Side Panel | 6x9 | Full-Range |
|
| Rear Wheel Well | 6.75 | Midbass / Full-Range |
|
1990 Honda Civic Speaker Replacement Summary
4
total positions
2
easy to replace
1
high priority
1
professional only
Replacement difficulty:
Low: 2 Medium: 1 High: 1Replacement priority:
High: 1 Medium: 2 Low: 11990 Honda Civic 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 1990 Honda Civic features four distinct speaker locations with varying sizes, suggesting that factory audio upgrades could begin with the front door panels where midbass or full-range 6.5 inch speakers may provide the most noticeable improvement to vocal clarity and midrange frequencies during typical listening.
- Both midbass and full-range speaker types fit the front door panel positions, though midbass drivers typically emphasize lower midrange frequencies while full-range speakers attempt to reproduce a broader frequency spectrum without requiring additional tweeters.
- The rear deck lid and rear wheel well locations both accommodate 6.75 inch speakers in either midbass or full-range configurations, offering flexibility for those who want to match speaker types across rear positions or create a staggered configuration with different driver characteristics.
- The 6x9 inch rear side panel location accepts only full-range speakers according to these specifications, which makes sense given that oval drivers of this size often incorporate integrated whizzer cones or separate tweeter elements to extend high-frequency response.
- Replacing the rear side panel speakers first might provide a substantial change in overall output since 6x9 inch full-range drivers typically move more air than the smaller round speakers found elsewhere in the 1990 Honda Civic, though this comes at the expense of precise imaging.
- The single DIN radio opening allows for head unit upgrades that could provide additional power output, equalization controls, or signal processing capabilities that might be necessary to properly drive aftermarket speakers with higher power handling than factory units.
- Full-range speakers installed in the rear locations would eliminate the need for separate amplification or crossover networks, simplifying the installation process for those working with the factory radio or a basic aftermarket head unit.
- The combination of round speakers in three locations and oval speakers in the fourth position suggests that achieving tonal balance across all positions may require careful attention to sensitivity ratings and frequency response characteristics when selecting replacement drivers.