Amplifiers

Frequently asked questions about amplifiers, preamplifiers, integrated amplifiers, power amplifiers, advantages and disadvantages of each type, etc.

My high-end amplifier has failed, how much will repairs cost?

I’d be happy to provide an estimate once we’ve diagnosed the fault/s and determined what remedial work will be needed. That will, of course, require a careful and detailed inspection of your equipment, and avoid any unhelpful guesswork. Assessment Electronic equipment failures are typically ‘black box’ scenarios, meaning there are usually no obvious visual signs […]

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Do you recommend new speaker terminals, RCA connectors and detachable mains cables?

In some cases, yes, but people are often surprised to learn that there are usually more important considerations. As a starting point, you would never replace all those components until the basic and vitally important service and maintenance work has been done, or without completely understanding the implications of doing so, in terms of reduced

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What are your thoughts on buying equipment in poor condition?

I suggest avoiding equipment in poor condition, as a general rule. My recommendation is always to buy the very best example of the equipment you are looking for, in the best condition, with the best service history, and a recent inspection and condition assessment, if possible. Everyone wants a bargain, and buying equipment in poor

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Can transistors in my vintage amplifier be replaced?

Yes, transistors can be replaced in almost all cases, with excellent results with the correct replacements. Part of the art of repairing electronics involves using replacement/substitute parts and understanding how to select them when original parts are no longer available (NLA). This art is generally not well understood. Here is a perfect example: Substitution Transistors

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