Dennis Had Inspire Amps

[Analog Addict]

Originally Posted by DRHamp

Interesting, I hadn't thought about rolling rectifiers in the 2030 - mine came with a 5U4G, but maybe I should try some others. I will be interested to hear your collective thoughts on how the various rectifiers impact sonics.

You might get a smaller voltage drop for a 5AR4 vs a 5U4, but does that translate into anything meaningful seen by the driver tube/01A? Perhaps it might potentially protect against voltage sag in the power supply, but I've never heard any of Dennis' builds have this problem, especially in a pre amp, which shouldn't be a current hog. The 01A is only going to draw 2-3 mA of plate current anyway, not even close to the 40mA limitation of a VR75.