1989 GMC Safari Speaker Sizes

The 1989 GMC Safari speaker size chart details factory audio system specifications and locations for replacement or aftermarket upgrade purposes. Information covers rear door panel and dashboard speaker positions. Data includes specifications for OEM and aftermarket audio components installed in standard factory locations throughout the vehicle.

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Speaker Details by Location
Location Size Type Notes
Dashboard 6x9 Full-Range
  • Requires panel disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
Rear Door Panel 6.5 Midbass / Full-Range
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low

1989 GMC Safari 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 GMC Safari 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 GMC Safari includes two distinct speaker locations with different size requirements, suggesting a basic two-position audio configuration typical of utility vans from this era.
  • Rear door panels accommodate 6.5-inch speakers rated for either midbass or full-range applications, indicating flexibility in component selection based on whether the system uses separate tweeters or relies on full-range drivers for complete frequency reproduction.
  • Dashboard positions support 6x9-inch speakers limited to full-range types, which may provide broader frequency response compared to the door locations due to the larger cone area and oval design.
  • The single DIN radio opening suggests a straightforward head unit replacement process, though it constrains options to units that fit the standard 2-inch height specification or require adapter kits for double DIN alternatives.
  • Replacing rear door speakers first could be considered when bass response is inadequate, as the 6.5-inch size allows for midbass-specific drivers that may handle lower frequencies more effectively than the dashboard speakers.
  • Dashboard speaker replacement might take priority when clarity in the upper frequency range is lacking, though the full-range designation on 6x9-inch units suggests they handle a wider spectrum than typical coaxial designs.
  • Sound improvement potential in the 1989 GMC Safari varies by location, with door speakers possibly benefiting from acoustic isolation materials to reduce panel resonance, while dashboard speakers may require consideration of reflection angles off the windshield.
  • The combination of round and oval speaker formats across the vehicle creates a somewhat asymmetric configuration, which could affect stereo imaging depending on the relative positioning of tweeters within full-range designs.
  • Power handling capabilities are not specified in the provided data, leaving open questions about whether aftermarket speakers should be matched to factory head unit output or whether an amplifier would be necessary to drive higher-performance components effectively.