AgarthaThe Agartha 2 represents more than 5 years of development. The return of the Agartha in 2021 was the first major breakthrough helping us to bring Direct Heated Triodes to headphones without feedback or other less than desirable tools. The 2021 Agartha ushering in use of Hum Pots, variable input transformers and our huge custom output transformers. Input transformers provide step from 1v: 2v or can be requested 4v: 2v. The Agartha Rev2 has brought the