1987 Oldsmobile Cutlass Supreme Speaker Sizes
A speaker size chart for the 1987 Oldsmobile Cutlass Supreme detailing factory audio system specifications. Information includes replacement speaker locations in the dashboard and rear deck lid. Aftermarket upgrade specifications are provided for drivers seeking to enhance factory audio systems with compatible components.
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| Location | Size | Type | Notes |
|---|---|---|---|
| Dashboard | 3.5 | Full-Range |
|
| Rear Deck Lid | 4x10 | Full-Range |
|
1987 Oldsmobile Cutlass Supreme 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: 01987 Oldsmobile Cutlass Supreme 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 1987 Oldsmobile Cutlass Supreme features two distinct speaker locations with different size requirements, suggesting a front-to-rear audio configuration that was typical of automotive sound systems from this era.
- Dashboard speakers measure 3.5 inches and are designated for full-range drivers, which indicates these units would need to reproduce the complete frequency spectrum from a single cone assembly rather than relying on separate tweeters or woofers.
- The rear deck lid accommodates 4x10 inch speakers, also specified for full-range operation, providing a larger radiating surface area compared to the dashboard units which could potentially contribute to greater bass response and overall output capability.
- The oval 4x10 inch format in the rear deck positions represents a space-efficient design that maximizes cone area within the available mounting footprint, though this non-circular shape may present challenges when selecting aftermarket replacements.
- Both locations require full-range compatible speakers rather than component systems, which suggests the factory audio architecture did not incorporate separate crossover networks or dedicated frequency-specific drivers.
- The single DIN radio opening in the 1987 Oldsmobile Cutlass Supreme indicates a standard head unit cavity that measures approximately 2 inches in height, providing baseline compatibility with most aftermarket receiver upgrades that could drive replacement speakers.
- Upgrading the dashboard speakers might be considered a priority since these front-firing units would typically provide the primary sound stage for occupants, though their smaller 3.5 inch size inherently limits low-frequency extension.
- The size disparity between front and rear speakers could result in an unbalanced tonal character across the listening area unless replacement units are selected with consideration for sensitivity matching and frequency response characteristics.