G Greenie Well-known member Joined Jan 31, 2005 Messages 218 Location Norway Oct 2, 2022 #1 Is there any PSU that can be used with the 251 pcb from vintagemicrophonepcbkit.com/ without any big reworks. I have used the PSU pcb that comes with the mic, but I a can't get a proper heater voltage.
Is there any PSU that can be used with the 251 pcb from vintagemicrophonepcbkit.com/ without any big reworks. I have used the PSU pcb that comes with the mic, but I a can't get a proper heater voltage.
