I have a 1927 GP Chu alto as my main horn and I install black Roo pads in it. The sound is wonderful! I have several other Conns here for restorations (plating, lacquer, etc...) that are having the Roo pads installed as well.
HIS,
Doc
www.JandJWoodwinds.com
1-866-996-6394
HIS,
Doc
www.JandJWoodwinds.com
1-866-996-6394