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- Sun Dec 03, 2023 12:13 pm
- Forum: Repairs & Modifications
- Topic: 5th valve for cerveny cbb 696
- Replies: 2
- Views: 269
5th valve for cerveny cbb 696
i have a cerveny cbb 696, the tuba is great and all but it only as 4 valves, is there any way i could attached a 5th valve to it