I like warm sound of Brimar 5R4GY 2 x O getter very much.
But I can use any of the 5 volt rectifier tube, and there are so many types: 5U4, 5AR4, 5R4, 80, 83, 5y3, GZ32-34-37 and some others.
I appreciate your advise.
But I can use any of the 5 volt rectifier tube, and there are so many types: 5U4, 5AR4, 5R4, 80, 83, 5y3, GZ32-34-37 and some others.
I appreciate your advise.