Ok I searched the past threads and can't quite find the answer to my question. I have just picked up a Peavey rig from the early 90's. It came with a 410T cab. The cab is mint except for one speaker has been replaced. I opened it up to find that the speaker had no identification as to a brand. This is fine, it seems to sound good with no issues. I did notice that it was 16 ohm as are all the others. Can I assume that it's an 8 or 4 ohm cab? Also, how can I identify the mystery speaker? I looked on Peavey's website to see if I could get a Peavey replacement at 16ohms and they didn't carry them. Anyone know if they are still available? Thanks.