The Conn Sousaphone model number pages

R. Jones' Conn model number site doesn't give a sousaphone model number index. This is an attempt to construct one. I have included an extra column to indicate the year(s) when the instrument was (at least) in use. If both the "Year Introduced" and "Year Discontinued" column is filled in, the "Years Used" column is left blank (no need stating the obvious). Italics indicates "educated guess".

The following list is by no means complete or even correct. If you find an error, or have a Conn sousaphone produced before roughly 1970 (see serial number index) with a model number that doesn't appear on this list or is produced outside the years indicated on this list, please let me know (see main page for e-mail).

Conn Sousaphones
Model Number Model Name Year Introduced Years Used Year Discontinued
- #? Bore Eb New Invention Standard Helicon (three valves) (LP) - 1913 -
- #? Bore Eb New Invention Standard Helicon (three valves) (HP) - 1913 -
- #? Bore BBb New Invention Monster Helicon (three valves) (LP) - 1913 -
- #? Bore BBb New Invention Monster Helicon (three valves) (HP) - 1913 -
- #? Bore BBb New Invention Wonderphone Helicon (three valves) (HP) - 1913 -
- #? Bore BBb New Invention Wonderphone Helicon (four valves) (HP) - 1913 -
2K #? Bore Eb New Wonder Standard Helicon (three valves) (LP) - 1919-1927 1929
3K #? Bore Eb New Wonder Standard Helicon (three valves) (HP) - 1919-1927 1929
6K #? Bore Eb New Wonder Medium Helicon (three valves) (LP) - 1919-1924 1926
7K #? Bore Eb New Wonder Medium Helicon (three valves) (HP) - 1919-1924 1926
10K #? Bore Eb New Wonder Giant Helicon (three valves) (LP) - 1919-1927 1929
10K #10 Bore Artist BBb Sousaphone - 1962-1971 -
11K #? Bore Eb New Wonder Giant Helicon (three valves) (HP) - 1919-1927 1929
14K #10 Bore Director BBb Sousaphone - 1955-1971 -
18K #? Bore Eb New Wonder Giant upright bell (three valves) (LP) - 1919-1926 1926
19K #? Bore Eb New Wonder Giant upright bell (three valves) (HP) - 1919-1926 1926
20K #? Bore Eb New Wonder Giant upright bell (four valves) (LP) - 1919-1926 1926
20K #10½ Bore Artist (three valve short action) BBb Sousaphone - 1937-1971 -
21K #? Bore Eb New Wonder Giant upright bell (four valves) (HP) - 1919-1926 1926
21K #? Bore Artist BBb Sousaphone with upright bell - 1958-1962 -
22K #10 Bore BBb Fiberglass Sousaphone with 26" bell. 1963 1964-1978 -
26K #? Bore Eb Sousaphone Grand(three valves) (LP) 1919 - 1969
27K #? Bore Eb Sousaphone Grand(three valves) (HP) - 1919-1927 1929
28K #? Bore Eb Sousaphone Grand(four valves) (LP) - 1919-1928 1929
29K #? Bore Eb Sousaphone Grand(four valves) (HP) - 1919-1927 1929
30K #? Bore BBb New Wonder Helicon (three valves) (LP) - 1919-1927 1929
31K #? Bore BBb New Wonder Helicon (three valves) (HP) - 1919-1927 1929
32K #? Bore BBb New Wonder Helicon (four valves) (LP) - 1919-1924 1926
32K #? Bore BBb Lightweight Sousaphone (three valves) - 1929-1943 -
33K #? Bore BBb New Wonder Helicon (four valves) (HP) - 1919-1924 1926
34K #? Bore BBb Monster upright bell (three valves) (LP) - 1919-1926 1926
35K #? Bore BBb Monster upright bell (three valves) (HP) - 1919-1926 1926
36K #? Bore BBb Monster upright bell (four valves) (LP) - 1919-1926 1926
36K #10 Bore BBb Fiberglass Sousaphone with 24" bell. 1960 - (current 2002)
37K #? Bore BBb Monster upright bell (four valves) (HP) - 1919-1926 1926
38K #10 Bore BBb Sousaphone Grand (three valves regular action) (LP) 1919-1941 -
39K #10 Bore BBb Sousaphone Grand (three valves) (HP) - 1919-1927 1929
40K #10 Bore BBb Sousaphone Grand (four valves) (LP) - 1919-1931 -
41K #10 Bore BBb Sousaphone Grand (four valves) (HP) - 1919-1927 1929
42K #11¾ Bore BBb Jumbo upright bell (three valves) (LP) - 1924-1926 1926
44K #11¾ Bore BBb Jumbo upright bell (four valves) (LP) - 1924-1926 1926
46K #11¾ Bore BBb Sousaphone Grand Jumbo (three valves) (LP) - 1924-1927 1929
48K #11¾ Bore BBb Sousaphone Grand Jumbo (four valves) (LP) - 1924-1934 -