I read this thread because I am new to tubes. Now I know a little about what ultra linear refers to. The condescension in this forum is at times amazing. Big fish in a shallow pond, I suppose.
One thing That is good to look for is a preamplifier operating in pure class A . I find their purity very appealing a DHT is the purest single ended But it lets you hear everything not all speakers and amplifiers are a ideal match . I have owned several hand built models from Vacuum tube Guru Radu Tarta exceptional build and sound quality.
@audioman58 : All tube preamps operate in Class A! They have a single tube connected to the output straight - or through a cathode follower or a transformer!
Hello Jason and others a DHT preamplifier, is single ended and the purest type of Vacuum tube preamplifier it being Direct Heated Triode has a Sonic purity most people Have not had the opportunity to hear. I mentioned RaduTarta for he builds these one at a time and prices can vary greatly depending on parts quality and transformer and Chokes quality . something worth investigating if you truly want something exceptional starting maybe around $4k ,
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