![Image](https://i.imgur.com/gAVeWnf.jpg)
There is also a parallel single-ended 5F2a type amp called the Angela Super Single-Ended that I want to build, that uses two 5y3's along with two 6v6's in parallel. In this amp the 2nd 5y3 is wired to the same pins as the first.
![Image](https://i.imgur.com/BzVp3Oc.gif)
Generally speaking, what is the purpose of having two rectifiers tubes - to lower the B+ voltage? Other benefits? Different ways to wire them together like above, and why?
Ultimately, I'm wondering if adding a second 5y3 to a vintage 5e3 type amp that already has an extra octal socket in the right place is a helpful way to lower the voltage that is now too high because of modern 123v at my outlet, in lieu of or in addition to other methods of lowering the B+ like zener diode, or resistors (currently uses an adjustable 10w 500r resistor).