PC & Tech Authority February 2016 (Digital) - DiscountMags.com
Doing an EAR834 build with some of the standard RIAA/biasing mods. B+ is a little hot at 324v, but I'm surprised to only see 4.2mA of B+ flowing through the entire preamp.
HIFIMAN HE400se Review – The End Of Hi-Fi? - Home Studio Basics