You are probably aware, but replacement PSUs are fairly widely available [1]. I am no EE but I would be very surprised if they are linear. [1]: https://www.c6

You are probably aware, but replacement PSUs are fairly widely available [1]. I am no EE but I would be very surprised if they are linear. [1]: https://www.c64psu.com/ https://www.c64psu.com/