1989 Oldsmobile Cutlass Calais Speaker Sizes

The speaker size chart for the 1989 Oldsmobile Cutlass Calais provides factory audio system specifications for replacement or aftermarket upgrade purposes. Information covers speaker locations in the dashboard and rear deck lid. Details include factory specifications to assist in identifying compatible aftermarket audio components for the vehicle's sound system.

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Speaker Details by Location
Location Size Type Notes
Dashboard 3.5 Full-Range
  • Requires panel disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
Rear Deck Lid 6x9 Full-Range
  • Access through trunk
  • Medium replacement priority
  • Replacement difficulty: low

1989 Oldsmobile Cutlass Calais Speaker Replacement Summary

2 total positions
1 easy to replace
0 high priority
0 professional only

Replacement difficulty:

Low: 1 Medium: 1 High: 0

Replacement priority:

High: 0 Medium: 2 Low: 0

1989 Oldsmobile Cutlass Calais 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 Oldsmobile Cutlass Calais dashboard speakers measure 3.5 inches and accept full-range replacements, while the rear deck positions accommodate 6x9 inch full-range units.
  • Replacing the rear deck speakers may provide a more noticeable sound improvement due to the larger 6x9 inch size compared to the smaller dashboard units.
  • Full-range speakers in both locations handle all frequencies without requiring separate tweeters or crossovers, which can simplify the replacement process.
  • The 6x9 inch speakers in the rear deck typically offer greater cone area than the 3.5 inch dashboard speakers, potentially producing more bass response.
  • Dashboard speaker replacements are limited to the 3.5 inch size, which constrains power handling and low-frequency output compared to the rear positions.
  • The single DIN radio opening allows for aftermarket head unit upgrades that could enhance the performance of replacement speakers.
  • Full-range speaker replacements can vary in sensitivity ratings, which affects how efficiently they convert amplifier power into sound output.
  • The rear deck lid location may benefit from speakers with higher power handling capabilities due to the available mounting space.