The
Infinity Primus PR683F is a
high-efficiency 6"x8" two-way coaxial car speaker pair engineered to deliver smooth, full-range audio upgrades for factory sound configurations. This form factor fits neatly into standard 6x8 openings and many 5x7 factory applications.
Technical Specifications
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Power Handling: 50 Watts RMS (150 Watts Peak per speaker)
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Impedance: 3-Ohm (True Four Ohm design safely pulls extra power out of standard factory lines)
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Frequency Response: 65 Hz – 20,000 Hz
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Sensitivity: 92 dB at 2.83V
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Woofer Mounting Depth: 2.312" (2-5/16")
Key Features
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Patented Plus One™ Woofers: Polypropylene cone architecture expands the overall surface area by up to 35%, boosting midbass output and response efficiency.
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Edge-Driven Silk Dome Tweeters: True 1/2" silk dome tweeters elevate vocal distribution and high-frequency precision without distortion.
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Rigid Vented Basket Frames: Designed to cool down voice coils by pulling heat away from the motor assembly to handle continuous loads safely.
- Compact Drop-In Shell: Constructed to maximize drop-in factory placement inside tight vehicle spaces without major custom frame modifications.
Audio Performance
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RMS Power Handling: 50 Watts
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Peak Power Handling: 150 Watts
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Frequency Response: 65 Hz – 20,000 Hz
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Sensitivity: 92 dB at 2.83V
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Impedance: 3-Ohm True Four Ohm technology
Driver & Material Details
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Speaker Design: 2-Way Coaxial System
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Woofer Size: 6" x 8" (Also fits 5" x 7" openings)
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Woofer Composition: Plus One+ Polypropylene
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Woofer Surround: Hi-Roll Rubber
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Tweeter Size: 1/2"
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Tweeter Design: Edge-driven dome
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Tweeter Composition: Silk
Physical Dimensions
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Woofer Top-Mount Depth: 2.312" (2-5/16")
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Woofer Bottom-Mount Depth: 2.50" (2-1/2")
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Cutout Dimensions: 7.187" x 5.0" (7-3/16" x 5")
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Mounting Height: 0.32"
System Features
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Crossover: Integrated on-speaker network
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Tweeter Level Control: Fixed (Standard attenuation handled via integrated network)
- Grilles: Not included (Designed for factory location installation behind door panels)
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