The theory of valve and transistor amplifiers

The theory of valve and transistor amplifiers

Back in December, the Hi-Fi Hobbyist podcast took a first look at the use of valves and transistors in Hi-Fi components. Valves or strictly thermionic valves are the British terms for what U.S. Hi-Fi Hobbyists call vacuum tubes. We will use the term “valve” throughout these podcast episodes.

In this series of episodes, we will take the chance to take a deeper more detailed look at the topic. In this first episode we will look at the underlying scientific theory, and the theoretical implications for sound quality.

In the next we will start by looking at reviews of real-world amplifiers and then consider why the reality is more complex than the basic science might suggest.

In the final episode, we will feed the data to two AI protagonists and let them debate the merits of valves and transistors.

In this first episode, the music accompanying the podcast is Big Band swing music created by the Hi-Fi Hobbyist with the help of Mureka AI to evoke the era when valve amplifiers were the only technology available.

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Episoder(62)

Generated discussion comparing the Japanese and Chinese HiFi industries

Generated discussion comparing the Japanese and Chinese HiFi industries

This podcast is the last in a series that seeks to explore the rise of Japanese Hi Fi, understand how this occurred, and to look at the lessons from history about the current rise of the Chinese Hi-Fi...

14 Aug 32min

The Rise of the Japanese Hi-Fi Industry: Post War expansion and lessons for China

The Rise of the Japanese Hi-Fi Industry: Post War expansion and lessons for China

This podcast is the third in a series that seeks to explore the rise of Japanese Hi Fi, understand how this occurred, and to look at the lessons from history about the current rise of the Chinese Hi-F...

7 Aug 45min

The Rise of the Japanese Hi-Fi Industry: the pioneers

The Rise of the Japanese Hi-Fi Industry: the pioneers

This podcast is the second in a series that seeks to explore the rise of Japanese Hi Fi, understand how this occurred, and to look at the lessons from history about the current rise of the Chinese Hi-...

31 Jul 42min

The rise of Japanese Hi-Fi: lessons for China

The rise of Japanese Hi-Fi: lessons for China

In the current era, much has been made of the rise of Chinese manufacturing companies within the Hi-Fi industry. However, they are not the first Asian country to rise from almost nothing to world domi...

24 Jul 1h 4min

The AI view of the BBCs contribution to Hi-Fi

The AI view of the BBCs contribution to Hi-Fi

In the previous two podcasts we have detailed 100 years of the BBCs contribution to audio and Hi-Fi in the UK across, engineering innovations, high quality radio broadcasting, talent nurturing, and lo...

17 Jul 34min

The Contribution of the BBC to Hi Fi Part Two

The Contribution of the BBC to Hi Fi Part Two

In this podcast, the second of a miniseries of three, we shall discuss the BBC’s contribution in three specific areas: loudspeaker design, digital audio and nurturing audio engineering talent.  The mu...

10 Jul 36min

The Contribution of the BBC to Hi-Fi Part One

The Contribution of the BBC to Hi-Fi Part One

The BBC (British Broadcasting Corporation) was founded on October 18, 1922, as the British Broadcasting Company by a group of wireless manufacturers. It was later established as a public corporation u...

3 Jul 46min

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