1988 GMC Safari Speaker Sizes
The 1988 GMC Safari speaker size chart provides factory specifications and locations for audio system components. Information covers replacement and upgrade options for aftermarket speakers in rear door panel and dashboard positions. Data includes standard factory speaker specifications to assist with audio system modifications.
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| Location | Size | Type | Notes |
|---|---|---|---|
| Dashboard | 6x9 | Full-Range |
|
| Rear Door Panel | 6.5 | Midbass / Full-Range |
|
1988 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: 0Replacement priority:
High: 0 Medium: 2 Low: 01988 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 1988 GMC Safari dashboard position accommodates 6x9 inch full-range speakers, which typically represents the primary sound source in this configuration. Factory installations at this location often integrated basic paper cone drivers with limited frequency response, suggesting that aftermarket replacements could provide substantial improvements in clarity and tonal balance across the audio spectrum.
- Rear door panels support 6.5 inch speakers with compatibility for both midbass and full-range designs. This dual-option specification indicates flexibility in system configuration, where midbass speakers could handle lower frequency reproduction when paired with separate tweeters, while full-range units would provide complete frequency coverage in simpler two-speaker setups.
- The single DIN radio opening follows the standard 180mm × 50mm format that dominated automotive head unit design during this era. This standardized sizing permits straightforward integration of contemporary aftermarket receivers featuring modern connectivity options, digital signal processing, and higher power output capabilities than original equipment.
- Dashboard speaker replacement might take priority over rear positions due to proximity to front seat occupants and the typical directionality of high-frequency sound waves. Full-range speakers in this forward location would deliver vocals and instrumental detail more directly to listeners, potentially creating a more immediate and engaging soundstage.
- The midbass designation for 6.5 inch rear speakers suggests possible component system integration, where dedicated woofers in the doors would reproduce frequencies roughly between 80Hz and 500Hz. This arrangement could complement dashboard speakers by handling lower midrange energy that larger door cavities can reinforce through panel resonance and air volume.
- Speaker mounting depth and rear clearance represent critical installation parameters not specified in basic sizing information. Door and dashboard cavities in vehicles from this period sometimes present restrictions that limit magnet structure depth or basket diameter, particularly when window mechanisms or climate control ducting occupy space behind mounting surfaces.