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The Einstein is a TUBE preamp

Posted by morricab on July 16, 2012 at 08:21:17:
"Einstein, both had considerably more force and explosiveness than the Ref3, and both relied on different SS topologies: the Edge used batteries, while the Einstein used dual transformers in a SS circuit biased to class A (along with the gain stage occurring before the volume control). "

Hint: The type of topology is buried in the name of the preamp...Einstein "The Tube" preamp. It does have a SS power supply but otherwise it is all tube (and it has a lot of tubes).

You have some serious techinical errors in your "review". I find it hard to believe you actually owned this preamp with this kind of obvious error in your comments.