eg. Those preamps are running on somewhere around 24 or 30V, arranged as positive, ground, negative; +12, 0V, -12 or +15, 0V, -15.
So I would need the AC 110-240V to DC 24V 4 to 6 Amp converter ; as shown in the image ; But I don't see where the ground comes and goes...
Hoo non, attends ! I need a 230V AC to 12V AC right ? Is that it ?
Or ?
I'll update my schematics with this in mind then.
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