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4x8-Inch Door Speakers for 1966 Ford Thunderbird with Deluxe Factory Radio

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This application requires one pair of speakers per door.
These RetroSound® 4x8-inch stereo speakers are a great way to upgrade the sound in your classic 1966 Ford Thunderbird. They use a Neodymium magnet structure for high power handling in a slim-mount design – mounting depth is just 1.9-inches. Santoprene® surrounds deliver the most natural sound possible with no distortion. Mylar tweeters produce crisp, clear highs.
- 4x8-inch stereo replacement speakers
- Neodymium magnet structure for ultra-thin design
- Santoprene® surrounds for smooth, natural sound
- Mylar tweeters for crisp, clear highs
- Dip-cut magnet for extended pole piece excursion
- 60 watts RMS and 120 watts max power handling
- Mounting depth is just 1.59-inches (40.5mm)
- Sold as pair
For more information, see the user's manual, or browse our support page.
MODEL | R-352N | R-452 | R-463N | R-483N | R-413N |
Nominal Diameter (inch) | 3.5 | 4 | 4x6 | 4x8 | 4x10 |
Description | 2-Way | 2-Way | 2-Way | 2-Way | 3-Way |
Nominal Impedance | 4ohm | 4ohm | 4ohm | 4ohm | 4ohm |
Frequency Response | 100H-21kHz | 65Hz-21kHz | 80Hz-21kHz | 65Hz-21kHz | 43Hz-21kHz |
Sensitivity (SPL@1w/1m) | 85dB | 88dB | 86dB | 87dB | 87dB |
Power Handling (watts RMS/peak) | 25/50 | 30/60 | 25/50 | 60/120 | 90/160 |
Speaker Grill | NO | YES | YES | NO | YES |
Mounting Depth (inch) | 1.1 | 1.29 | 1.3 | 1.59 | 1.7 |
Mounting Depth (mm) | 28 | 33 | 35 | 40.5 | 44 |
MODEL | R-525N | R-573N | R-612N | R-652N | R-693N |
Nominal Diameter (inch) | 5.25 | 5x7 | 6.5 | 6.5 | 6x9 |
Description | 2-Way | 3-Way | 2-Way | 2-Way | 3-Way |
Nominal Impedance | 4ohm | 4ohm | 4ohm | 4ohm | 4ohm |
Frequency Response | 56Hz-21kHz | 65Hz-21kHz | 58Hz-21kHz | 52Hz-21kHz | 40Hz-21kHz |
Sensitivity (SPL@1w/1m) | 88dB | 87dB | 87dB | 87dB | 90dB |
Power Handling (watts RMS/peak) | 40/80 | 60/100 | 90/160 | 50/100 | 100/200 |
Speaker Grill | YES | YES | YES | YES | YES |
Mounting Depth (inch) | 1.45 | 1.5 | 1.7 | 1.7 | 1.9 |
Mounting Depth (mm) | 37.5 | 37.5 | 44 | 44 | 48.5 |