Here I have compared the closely preceding late Tonemaster to the Quad-ring and then NY Double ring, then transitional Double ring for chamber size and internal machining.
Horned Toad Music
Vintage Saxophone & Mouthpiece Buy Sell Trade & Restore
Here I have compared the closely preceding late Tonemaster to the Quad-ring and then NY Double ring, then transitional Double ring for chamber size and internal machining.