Generally, B Flat
The clarinet is played in the key of B flat
A clarinet is typically played in the key of B-flat.
If the song is in the key of C for the banjo, then the clarinet would have to be in the key of D, which is a whole step higher. If in D for banjo, then E for clarinet. Don't forget to use flats and sharps if needed, like if the key is E for banjo, then it's F# (which is also Gb) for clarinet.
Clarinets come in many keys. The most common key is Bb (B flat), in which the tuning note is C. There are many other kinds of clarinets including the alto clarinet, bass clarinet, Eb clarinet, and many more.
Your Conn clarinet plays in the key of C and was made in 1925.
It's the fifth key.
It is a B Flat instrument
E flat
Yes you can its like low F but with your thumb key.
That bog metal line on the back of it.
hold down the octave key and A
The clarinet octave key works by opening a hole in the instrument that allows air to escape, which changes the pitch to a higher octave.