Contact Terry/Western Reserve Audio Design:216-521-0900.He built the i-tube amps for Innersound.He is producing this amp himself,and available for auditions.6moons has his amp for review-presently.KT-88 based at 160/ch (WRAD-300).
The Innersound ESL amps are great with digital sources.With a good analog front end,you will know something fas been overlooked. The older Krells will have problems with their output transistors-test fine,but can leak or malfunction. As a note:the WRAD 300/i-tube was designed specifically to drive the unusual impedances of an ESL.
Almost any amplifier will drive any speaker,how well that amplifier does its' job can be the difference between night and day.Many solidstate amps become a little thin when dealing with the complex load.2-100 ohms. On the cheap:Many are having good results with slightly modified ART SLA 1/2s (100/200w). Or you could wait for a fellow audiophile to give you an amp.
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