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Schwab · 05-09-2008, 04:05 PM

Zeuster is right, but it isn't recent info, those have always been Bach specs.

Bach trumpets built in the 1930's often have the bell stamps of 10-53 or 7-59, or 7-10-62 (25-62).

The bell flare is first, the second number is the bore size, M, ML, L.

05-09-2008, 04:05 PM	#7 (permalink)
Schwab Moderator Forte User Join Date: Feb 2004 Location: the road Posts: 1,055	Re: Large Bore Bach Zeuster is right, but it isn't recent info, those have always been Bach specs. Bach trumpets built in the 1930's often have the bell stamps of 10-53 or 7-59, or 7-10-62 (25-62). The bell flare is first, the second number is the bore size, M, ML, L. __________________ Dylan Schwab Stage 1 New York Last edited by Schwab; 05-10-2008 at 12:14 AM.