Brand directory/Conn/Models by year/25I
Model catalogue

Conn 25I euphonium.

Connstellation bell-up euphonium, 4 valve, trigger — Introduced 1958 · discontinued 1971.

Maker
Conn
Model code
25I
Line
Connstellation
Instrument
euphonium
Introduced
1958
Discontinued
1971
Status
Retired
Record confidence
Medium
Era check

Serial evidence places this line in the Elkhart era — your serial number decides which one your instrument is.

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All Conn lines, by introduction year:Models by year →