Product Description
The RetroSound 1973-1979 Ford F-Series Trucks 5.25-Inch Door Speakers (store SKU RS-SP-197379FORDFSERIESTRUCKS525IN, Retro Manufacturing part R-525N) is a vehicle-specific RetroSound speaker listing from an authorized dealer.
Application: 1973-1979 Ford F-Series Trucks. Install location: factory speaker opening. Speaker size: 5.25. Design: 2-Way.
Published electrical and mounting data for part R-525N: 4ohm nominal impedance; TrueRating™ / published power handling 40/80; frequency response 56Hz-21kHz; sensitivity 88dB; mounting depth 1.47″ (37.5 mm). Figures come from Retro Manufacturing’s product information for this model — if the sheet in the box differs, follow the sheet that ships with the product.
Sized for the factory speaker opening opening on the vehicle years in the title. Test-fit brackets and grills (when included) before final mounting; do not force mismatched openings.
Features for this listing
- Fitment focus: 1973-1979 Ford F-Series Trucks (factory speaker opening)
- Manufacturer part R-525N — 5.25
- Includes Speaker Grills
- 5.25-inch stereo speakers (sold as a pair)
- Neodymium magnet structure for ultra-thin design
- Santoprene® surrounds for accurate audio reproduction
- Silk tweeters produce smooth and natural highs
- Dip-cut magnet for enhanced sound
This page is only for RetroSound 1973-1979 Ford F-Series Trucks 5.25-Inch Door Speakers. Other RetroSound speaker sizes and vehicles have their own listings with their own part numbers and openings — match years, location, and size carefully.
1973-1979 Ford F-Series Trucks 5.25-Inch Door Speakers specifications
- Manufacturer model: R-525N
- Store SKU: RS-SP-197379FORDFSERIESTRUCKS525IN
- Years (this listing): 1973-1979
- Vehicle focus: Ford F-Series Trucks
- Install location: factory speaker opening
- Nominal Diameter (inch): 5.25
- Description: 2-Way
- Nominal impedance: 4ohm
- Frequency response: 56Hz-21kHz
- Sensitivity: 88dB
- Power Handling (watts RMS/peak): 40/80
- Speaker Grill: YES
- Mounting Depth (inch): 1.47
- Mounting Depth (mm): 37.5
- Sensitivity (SPL@1w/1m): 88dB
Source: Retro Manufacturing product page for part R-525N. If the sheet in the box differs, follow the sheet that ships with the product.
1973-1979 Ford F-Series Trucks 5.25-Inch Door Speakers wiring and tech tips
- Disconnect the vehicle battery before working on speaker wiring.
- This listing is for the 5.25 speaker (part R-525N) at the factory speaker opening location on 1973-1979 Ford F-Series Trucks.
- Confirm polarity and load: published impedance is 4ohm; power handling 40/80.
- Verify mounting depth clearance of 1.47″ (37.5 mm) at the factory speaker opening opening.
- Use brackets, grills, and wire included with this kit when supplied; do not force mismatched openings.
- Do not exceed the RMS rating published for this model.
Vintage Car Radio does not offer installation. Share the manufacturer manuals with your installer if needed.
1973-1979 Ford F-Series Trucks 5.25-Inch Door Speakers manuals
- Manufacturer product page for R-525N (specs & linked manuals)
- Retro Manufacturing warranty
- Retro Manufacturing help center
Documents on the R-525N product page are the official reference for RetroSound 1973-1979 Ford F-Series Trucks 5.25-Inch Door Speakers.
One-Year Retro Manufacturing Warranty
Per Retro Manufacturing’s limited warranty, Speakers such as R-525N are covered for 1 year from the original purchase date for defects in materials and workmanship when purchased from Retro Manufacturing or an authorized dealer.
RA required — tech@retromanufacturing.com or 1-888-325-1555, or Vintage Car Radio at 844-802-4499 / 574-226-6676.
Vintage Car Radio does not offer installation.
FAQ — 1973-1979 Ford F-Series Trucks 5.25-Inch Door Speakers
What exactly is this listing?
RetroSound 1973-1979 Ford F-Series Trucks 5.25-Inch Door Speakers — manufacturer part R-525N, store SKU RS-SP-197379FORDFSERIESTRUCKS525IN, for the factory speaker opening position on 1973-1979 Ford F-Series Trucks.
Is this the same as every other 4×6 / speaker on the site?
No. Hardware families may share a part number (R-525N), but this page’s fitment, years, and install location are specific to this SKU.
Do you install?
No. DIY or a shop you choose.
Warranty?
Typically 1-year Speakers coverage from Retro Manufacturing — see Warranty.
Need help?
844-802-4499 or 574-226-6676.
Specs
Wiring / Tech Tips
Manuals
Warranty
One-Year Retro Manufacturing Warranty
Per Retro Manufacturing’s limited warranty, Speakers such as R-525N are covered for 1 year from the original purchase date for defects in materials and workmanship when purchased from Retro Manufacturing or an authorized dealer.
RA required — tech@retromanufacturing.com or 1-888-325-1555, or Vintage Car Radio at 844-802-4499 / 574-226-6676.
Vintage Car Radio does not offer installation.
