Krell KSA-150 repair

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Class A Amplifiers and the Krell KSA-150

Amplifiers | | | , , , , , ,

Regulars will know how much I love Krell’s class A amplifier designs. The Krell KSA-150 power amplifier is a great example. Updated, 2026! In this article, I discuss the basics of class A amplifiers, with particular reference to the gorgeous KSA-150. You may have already watched my restoration video, where I completely refurbish one of […]

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Krell KSA-150 Class-A Power Amplifier Restoration

Amplifiers, Restoration & Overhaul | | | , , , , , , , , ,

A couple of years back I performed a comprehensive tear-down, overhaul and upgrade of my gorgeous Krell KSA-150 power amplifier. I made a video of it, which you are most welcome to check out: UPDATE: It’s received over 100,000 views as of January 2022! There’s not much you can buy that can touch the performance of

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