Preamplifiers

Articles relating to preamplifiers and their service, repair, restoration, plus reviews and more.

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Krell KAV-280p Preamplifier Repair

Here’s a nice little repair and overhaul I recently did on a lovely Krell KAV-280p preamplifier. Let’s call this the first article in #Krellmonth! The modest Krell KAV-280p may not be a high-end preamplifier in Krell terms like the Krell KRC-HR or Krell PAM-7, but what it lacks in tech and high-end parts, it makes …

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Krell PAM-7 Preamplifier Repair & Overhaul

Krell has produced some stunning gear over the years and this Krell PAM-7 is a great example. Come with me as I repair and overhaul this lovely old girl. The Krell PAM-7 preamplifier dates back to earliest days of Krell, but all the trademark features are present: thick boards, premium parts, class-A operation, separate power …

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Accuphase C-202 Line-Level Preamplifier Service & Review

The Accuphase C-202 line-level class-A preamplifier is an extraordinary piece of hi-fi gear. Come along as I service and review this great preamp. The Accuphase C-202 is a line-level, class-A, fully balanced preamplifier. It also features a dedicated CD buffer circuit, with very little in the signal path. By any measure, it is a superb …

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Krell KRC-HR Ultimate Preamplifier Restoration & Repair

Come with me this time, as I dive deeply into the repair and 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┬áKRC-HR video overview! If you’re reading this, you’ve probably heard of Krell …

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Yamaha CX-1 Preamplifier Service & Repair

You may have seen the article I wrote recently about repairing a gorgeous Yamaha MX-1 power amplifier. This time I’m servicing a Yamaha CX-1 preamplifier, which matches the MX-1 and is part of the same set. Yamaha made some really superb hi-fi gear back in the day, as I’m sure many of you know. There …

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Shocking Krell Destruction Hall of Shame Addition

These latest additions to the Hall of Shame are two of the worst cases of hi-fi electronics bodgery I’ve ever seen. This shocking case of Krell destruction – of a Krell KRC preamp – by a so-called expert has to be seen to be believed. Visit my Hall of Shame for all the horrifying details, …

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