Caledonian Audio 6BM8/ECL82 SE 2.5W Classique MKII Assembly Manual page 48

Audio Signal Connection
Connect the [8] ohm terminal on the [Secondary] winding of the output
transformer to the positive (hot) speaker terminal.
This is assuming that you will be using the 8 ohm speakers. Change this to another
output impedance if necessary.
Repeat the process for the other channel.
The wiring for speaker output is now complete.
Figure 37 - connecting the output transformer to speaker terminals
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