I have a stock 68 Xr7 factory radio and speaker. I wish to replace the speaker and update the radio at a later date. Is the radio 4 or 8 ohms? If I use this speaker, will it work with an updated radio?
Old radios, including that one, are 8 ohms. 4 ohm speakers short the unit out. Use an 8 ohm speaker and you won’t have any problems.