Brand directory/Conn/Models by year/24I
Model catalogue

Conn 24I euphonium.

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

Maker
Conn
Model code
24I
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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25I — Connstellation bell-up euphonium, 4 valve, trigger
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28A — Connstellation cornet, long model
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28B — Connstellation trumpet (Nickel Trim DeLuxe line)
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28D — Connstellation double F & Bb with rotary change
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All Conn lines, by introduction year:Models by year →