1990 Honda Prelude Speaker Sizes
The 1990 Honda Prelude speaker size chart provides factory specifications and locations for audio system components. Information includes replacement speaker sizes for rear deck lid and front door panel positions. Data covers factory speaker specifications to assist with aftermarket speaker upgrades and audio system modifications.
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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 Deck Lid | 4 | Midrange |
|
1990 Honda Prelude Speaker Replacement Summary
3
total positions
3
easy to replace
1
high priority
0
professional only
Replacement difficulty:
Low: 3 Medium: 0 High: 0Replacement priority:
High: 1 Medium: 2 Low: 01990 Honda Prelude 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 1990 Honda Prelude front door panels accommodate 6.5 inch speakers that can function as either midbass drivers or full-range units, potentially offering flexibility in system configuration depending on whether additional components handle other frequency ranges.
- Two distinct speaker locations exist in the rear deck lid, with one position accepting 4 inch midrange drivers and another fitting 6.75 inch midbass or full-range speakers, suggesting a factory multi-driver approach to rear sound distribution.
- The 4 inch rear deck location appears designated specifically for midrange frequencies, which could indicate this position handles vocal and instrumental clarity while larger drivers manage lower frequencies.
- Upgrading the 6.75 inch rear deck position with aftermarket midbass speakers might improve low-frequency response from the rear soundstage, though the effectiveness would depend on enclosure characteristics and amplification.
- The front door 6.5 inch location typically serves as a primary sound source in many audio systems, and selecting full-range speakers for this position could provide balanced output without requiring separate tweeters if simplicity is preferred over component separation.
- Both single DIN and double DIN head units fit the radio opening, allowing for either basic receiver installations or larger touchscreen units that occupy twice the vertical space.
- Replacing the smaller 4 inch midrange speakers might yield modest improvements in clarity, though the limited cone area inherently restricts output capability compared to the larger 6.5 and 6.75 inch positions.
- Component speaker systems with separate tweeters could potentially be installed in the front doors if the 6.5 inch position receives midbass drivers and tweeters mount elsewhere on the door panel, though mounting locations would need verification.