Caledonian Audio 6BM8/ECL82 SE 2.5W Classique MKII Assembly Manual page 39

Caledonian Audio 39
6BM8-ECL82-SE-Classique Assembly Manual
Figure 31 – Two pairs of black and red cables (+V and 0V) feeding the two
amplifier boards. The green cable connecting the [0V] terminal on the
filament power supply PCB and the star ground point. The polarity of the H1
and H2 terminals does not matter.
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