Krell KAV-150a Power Amplifier Repair & Restoration

This beautiful Krell KAV-150a power amplifier is the partner of the KAV-300i I restored last year. Come along as I repair and restore this one. The Krell KAV-150a is another product from Krell's more affordable KAV line, from the mid 90's. Whilst certainly more affordable, this gear is most definitely…

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Krell KRC-HR Ultimate Preamplifier Restoration & Repair

Welcome back audio friends. Come with me this time, as I dive deeply into the repair and complete restoration of one of the best solid state preamplifiers of all time - the magnificent Krell KRC-HR. NOTE - for a bunch of different shots and angles, check  out my detailed Krell KRC-HR video…

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Krell KAV-300i Integrated Amplifier Repair & Restoration

I've just repaired and restored this lovely Krell KAV-300i integrated amplifier. Read on to find out what makes the KAV-300i such a superbly engineered amplifier. Krell still proudly builds amplifiers and other high-end gear, from their base in Orange, Connecticut, USA. Established in 1980, they set about manufacturing a range…

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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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