Update: I took out the 3 valve and 4v to compare them. I noticed that the 3rd valve had a little plastic thing on the bottom and a rubber pad on top. I saw that the 4th valve was the complete opposite, so I flipped the layout. The 3rd valve now has compression

I recently bought the tuba for cheap due to the 3rd piston having no compression, and when you shake it, you hear a metal ball clinking. The piston also seems a hair smaller than the others.

@York-aholic
I am still unable to PM, but if you still have the Olds O-99 3rd valve, could you send me some photos? As long as the valve has compression, I can try it. You can email me at martinezreilly1@gmail.com. Thank you.

I know this might take a while, but does anyone happen to have one?

I want to buy a Laskey 28H mouthpiece, but I’m not sure whether there’s a real difference between the new Eastman Laskeys and the originals made by Scott. I have been told to hunt for an original, but I also hear good things about the new ones. If anyone could share some insight, I’d really ...