Selmer Paris · Clarinet · Bb
Balanced Tone Clarinet — Selmer Paris Balanced Tone clarinet
Introduced1935 onwards
Discontinued1953
The Balanced Tone (BT) ran from about 1935 to 1953 and is the direct ancestor of the Centered Tone.
L, M and N serial series; BT emblem on the joints of many examples.
Where it sits. Introduced 1935, discontinued 1953. To date a specific Selmer Paris instrument, use the serial number — the model era is the context, the number is the date.