Category Archives: Technology

Video PrimaLuna EVO 400 Tube Poweramplifier by Kevin Deal of Upscale Audio


Kevin Deal of Upscale Audio in the USA shared a video about our multiple awards winning PrimaLuna EVO 400 Tube Poweramplifier. Check out his full video below. Watch below ⇓ also the video Kevin Deal shared about our PrimaLuna EVO … Continue reading

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Interview Ricardo Franassovici – Absolute Sounds by Matej Isak of Mono And Stereo Magazine


In the early days of High End Audio in Europe, Durob Audio was the exclusive European distributor for Koetsu cartridges. We had distributors in several countries but due to limited quantities (only 30 pieces per month) we didn’t care too much about … Continue reading

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Review PrimaLuna EVO 400 Tube Integrated Amplifier by Noel Keywood of Hi-Fi World Magazine


“And – oh – what a glorious sound hit me. It’s always great to hear a finely tuned valve amplifier” Noel Keywood – Hi-Fi World Magazine Noel Keywood comes away impressed with the PrimaLuna EVO 400 Integrated Amplifier in his … Continue reading

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Tung-Sol KT170


Tung-Sol KT170 Due to the success of the KT120 and KT150 tubes and the popularity of these tubes with High-End Audio manufacturers, the Tung-Sol KT170 tube has been developed to provide a beam tetrode with even more power capability. The … Continue reading

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