You definitely know your tubas. Thank you again. So far I am very happy and know it will serve me well. Many thanks!

Hopefully this is better. Don’t want to work you too hard on my horn. I do appreciate you looking at it for me.
download/file.php?mode=view&id=1899

One more photo of the other end of the valves and linkage.
download/file.php?mode=view&id=1898

Thank you so much! I appreciate your expertise. Best wishes!

Hopefully this photo is clearer of the valve linkage.
download/file.php?mode=view&id=1896&sid ... 5334980baf

I am way too old to use a bag and plan to keep the case. The wheels are a big plus for me. When I saw the case in the deal it was a no brainer for me.
Thank you

You are correct regarding the retaining nut ring. Could you tell me more of which Manufacturer and Country of origin? Is it a Cerveny and if so, which Model? It is purely a guess on my part it might correspond to the Cerveny 686.

Hopefully the photo attached.
download/file.php?mode=view&id=1893

Hello, Newbie here. I purchased my first tuba recently and am looking for expert information regarding my instrument. I believe it may me a Cerveny however can not find any source to confirm my assumption. The tuba is engraved Musica Steyr Austria with a Serial Number 02947 on the brace under the ...