Well, resale of one of these conversions is always going to have a limited market. The buyer needs to be someone who really wants to play an SML and really wants Selmer style keywork. If it's just about the keywork you can buy a nice Selmer for less money.
Conversions of this general sort are sometimes done on low brass - converting a Bb tuba to C, or high pitch to low pitch, or replacing the valve section with one from a different make. I can't characterize how well they tend to work or what happens to market value.
Conversions of this general sort are sometimes done on low brass - converting a Bb tuba to C, or high pitch to low pitch, or replacing the valve section with one from a different make. I can't characterize how well they tend to work or what happens to market value.
