Fully Restored Krell KSA-150 Class-A Amplifier for Sale in Near-Mint Condition

This is a once in a lifetime opportunity to own a near-mint, fully restored, KSA-150 class-A power amplifier, with original double boxes and 15 amp power cable. UPDATE - SOLD! This stunning amplifier also has the very unusual 15-11150 serial number, perfect for a KSA-150! I even have the original…

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Class-A Amplifiers and the Krell KSA-150

Many readers will be aware of how much I love Krell audio gear and their class-A designs. The Krell KSA-150 Class A Power Amplifier is a great example of one of these hot, power-hungry designs. In this article, I discuss the very basics of class-A amplifiers, with service details and…

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Krell KSA-150 Class-A Amplifier Service

I have been flat out with restorations and repairs. One of my recent jobs was to inspect and service a lovely example of a Krell KSA-150 Class A Power Amplifier. You may have already watched my restoration video, where I completely refurbish one of these beasts. This video has actually…

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Krell KSA-150 Amplifier Repair & Restoration

This video documents my comprehensive overhaul and restoration of a gorgeous Krell KSA-150 class-A power amplifier. This wonderful KSA-150 developed a serious fault at some point in the past. This had been quickly fixed and was sold to me in very poorly repaired condition. Because of this, I decided to…

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Krell KSA-150 Class-A Power Amplifier Restoration

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. There's not much you can buy that can touch the performance of a class A amplifier of…

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