Search found 6 matches

by Tubadbadu
Fri Jan 16, 2026 11:51 am
Forum: Wanted to Buy: Tubas, Euphoniums, Mouthpieces, and Accessories
Topic: Mouthpiece Willson WT1
Replies: 0
Views: 229

Mouthpiece Willson WT1

Hello, is here anyone who is selling willson wt1 tuba mouthpiece? I am from europe, so preferably someone from europe, but could also be from elsewhere. Or if someone knows about copie of this mouthpiece.

Thanks for your response
by Tubadbadu
Sun Jan 11, 2026 3:38 pm
Forum: Repairs & Modifications
Topic: Modding 4th valve tubing
Replies: 13
Views: 601

Re: Modding 4th valve tubing


Random thoughts/observations that may or may not be applicable to your situation ( if the rotor is properly aligned and all the stuff bloke said above):

"stuffy" is a subjective term.

Sometimes, the problem isn't too much resistance, but not enough resistance. I think of the big York style 6/4 ...
by Tubadbadu
Sun Jan 11, 2026 3:14 pm
Forum: Repairs & Modifications
Topic: Modding 4th valve tubing
Replies: 13
Views: 601

Re: Modding 4th valve tubing

the elephant wrote: Fri Jan 09, 2026 10:55 am I have seen several Cerveny and B&S stencil instruments where they were carelessly struck, so that the die bounced, leaving two marks nearly overlapping and giving a "blurry" look to one of the two marks.
Thanks for the answer I will check for missaligment.
by Tubadbadu
Sun Jan 11, 2026 3:12 pm
Forum: Repairs & Modifications
Topic: Modding 4th valve tubing
Replies: 13
Views: 601

Re: Modding 4th valve tubing


My Amati 6/4 has an aftermarket 4th valve. It is an "open wrap" and not stuffy at all.


So did you only change the rotor or the casihg as well?
Also where did you buy an aftermarket rotor? I can't seem to find it on the internet. I will first check for any leaks/missaligments, but if that does ...
by Tubadbadu
Sun Jan 11, 2026 3:04 pm
Forum: Repairs & Modifications
Topic: Modding 4th valve tubing
Replies: 13
Views: 601

Re: Modding 4th valve tubing



Here are the "have you checked to see if it's plugged into the wall?" questions:

- rotor alignment?
- rotor leakage (often caused by a "repair tech") ?
- leaky solder joint or rot hole(s) somewhere in the circuit?


@bloke serious question, have you ever seen any rotor witness marks put on by ...
by Tubadbadu
Thu Jan 08, 2026 4:14 pm
Forum: Repairs & Modifications
Topic: Modding 4th valve tubing
Replies: 13
Views: 601

Modding 4th valve tubing

Hello, so I have this old Lignatone/amati 6/4 Bb tuba with 4 rotary valves. It is a great tuba but 4th valve is very stuffy. I am wondering would it help if I replaced 4th valve tubing with a larger bore? Right now the bore on all valves is the same, if my measurements are correct. Also would I need ...