API 605, 610, 620 Power Supply Spec Sheet by DA Audio | Jan 12, 2018API Power Supply Spec Sheet This is a spec sheet for power supplies 605, 610, 620
Telefunken U47M Microphone, and U47N Power Supply Schematics by DA Audio | Jan 9, 2018Telefunken U47M microphone, and U47N power supply schematics