The first character of the serial number indicated the decade We have reevaluated the serial number list to reflect new information. The number of instruments produced in the early years 1893-1905, has been reduced. New factories were built in Arizona for Pan-American, in Madison Indiana for the organ division, and a new plant in Elkhart that would one day become the home of Bach Trumpets. The serial number lists are NOT 100 accurate.

In 1963, serial number 1,000,000 was celebrated, although since Pan-Americans used a separate sequence and some instruments such as bugles and drums were not numbered. The second character indicated the month of the year According to a Conn s/n chart, 52,000 was made in 1919) and appears to be at least 200,000 off for LH bell key horns. The fourth character indicated the instrument: The third character indicated the year within the decade (defined by the first letter).

The remaining numbers indicated the production number within the month.įrom 1987 on, the two-digit prefix number plus 50 will give you the year of manufacture. Conn trumpet serial number ge621338 serial numbers#.