Thoughts on DIY SUT from Lundahl

[jenson]

2 x LL1931 Lundahl Moving Coil SUT

Purchase 2 x LL1931 and recieve a free project PCB. The LL1931 is a high turns ratio, high performance moving coil step-up transformer for turns rations of 1:8 and 1:16. The transformer combines Lundahl's unique uncut amorphous colbalt core and their dual coil structure with Cardas high purity...

www.orso-audio.com

Pls advise

 

[prem]

It’s a very good SUT

 

[Kapeel]

Unable to figure out Lundahl step-up to purchase, LL1931 or LL1678 on https://www.erhard-audio.com/SUT_Kits.html. As per their respective datasheet both have turns ratio of 1:8 and 1:16 and amorphous core.

MC is Hana ML and EAR MM phonobox