Articles, analysis and insights on power amplifiers, integrated amplifiers, power amplifiers, tube amplifiers, to make the best decision on which device to buy.

Valve amplifier: how it works and features

A small guide to tube amplifiers, with answers to common questions about longevity, operation, internal structure, and comparison with transistor models.

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Class D amplifier: what it is, what it looks like, how it works

How does a class D amplifier work? What differentiates these devices from other classes? We propose a brief summary that serves to clarify the ideas.

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