This Design Idea is a reprint of an earlier one that contained errors in graphics (Reference 1). Even though 6L6 beam-power tubes have been around for 66 years, they are still quite popular for use in ...
Italians make beautiful things. The Unison Research Triode 25 Integrated Amplifier ticks off every box and then some. Our early thoughts. I have long held the belief that audio components reflect the ...
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