Sam Gnagey 6-4 CC tuba 4FP+1RV 19.5"

Gnagey 6/4 CC tuba 4FP+1RV 19.5" bell - 0.689"-0.734"-0.749" bore progression - based on a Martin body

1. 4 CC tuba 4FP+1RV 19.5"; bell - 0.689";-0.734";-0.749"; bore progression

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