Erhard Audio uses Lundahl Output Transformers in their designs

We are happy to note that Erhard Audio (formerly Tube Nirvana) has auditioned Lundahl amplifier output transformers in their models and, as a result, are using Lundahl output transformers now in production.  You can read their take on these and other parts decisions here: and see power the amplifiers here:

and a headphone amplifier:

And while you’re at it, look at the chassis artistry, as well!