Bent Audio Autoformer vs Tube Pre


Has anyone compared the two? I'm thinking of building a fully balanced Bent Autoformer unit.

If you have compared the two, what do you think?
jtwrace
I went for BOTH! I built a 26 DHT tube preamp using the Bent Audio autoformers in double duty as both the output "transformers" and volume controls. Sounds incredible! Kills my Supratek in transparency, detail and immediacy.

26 Preamp

26 Preamp Internal

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Neither was I until I worked at it. It just takes time, patience, lots of research, and some money to get good parts. Oh...and a patient wife...
An SFL2 is a Sonic Frontiers tube preamp.

When properly utilized in a passive friendly system, TVC and autoformer linestages usually best any active preamp regardless of technology.

I have owned many well regarded tube preamps and my Sonic Euphoria PLC has laid them to waste every time.

Shakey