Brand directory/Conn/Models by year/78H
Model catalogue

Conn 78H trombone.

New/Artist Symphony (tuning slide in slide) — Introduced 1932 · discontinued 1970.

Maker
Conn
Model code
78H
Line
Symphony
Instrument
trombone
Introduced
1932
Discontinued
1970
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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10D — single Bb horn, 4 rotary valves with A-natural valve
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