A 300V Switching Power Supply for Vacuum Tube Preamplifiers

Описание к видео A 300V Switching Power Supply for Vacuum Tube Preamplifiers

I needed a power supply for a Vacuum Tube RIAA Phono Preamplifier . I didn't want to use a standard 60hz transformer because of not only the size, but also the noise and hum it can introduce. I found an existing switching transformer which gave me a good 6 watts of power which is plenty for most tube preamplifiers.

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