When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Bought "replacement speakers" from Corvette central at the Carlisle show last Sept. They were 4 ohm. Took the old ones out this past week and they are 10 ohm. I hooked one up and it performed well but do not know if this will create issues for me down the road.
The impedance matching of the speaker to the Amp is important to maintain proper stereo amplifier operation. If you had a 10 ohm speaker and you replaced this with a 4 ohm, you could overdrive/damage your amp, "blowing" it, with higher volumes due to the lower impedance allowing higher amplifier currents.
Almost all modern car audio is 4 ohm based. I think you might be able to buy a 10ohm replacement though from places like ZIP
What Brent says is correct. However for the Loooooooooooooooow wattage that the vett headend (amp) puts out, that should not be a big deal.
Just dont "crank it" constantly.
If you are really concerend then put a 10 ohm resistor on the speaker.
Most folks dont realise that the resistance of a speaker changes greatley depending on the frequency and ampltude of the signal gointg to it.
count your blessings that the prior owner did not try to put 6x9 in the back firewall like mine.