There is a second edition version of Vacuum Tube Amplifier Basics in the works. Although much of the information in the new edition is pulled from the original book, the new edition is being laid out in a more logical order. It will also include a more detailed example of amplifier design and construction. The updated version in PDF e-Book format may be available by the end of 2024. The book will no longer be available on Amazon due to Kindle eBook royalty disparities and unsatisfactory printed book quality. Alternate selling outlets will be used. There are no plans for a print version at this time.
There are a few possible reasons for the allure of vacuum tube amplifiers. Perhaps it is nostalgic, a status symbol of
owning a vacuum tube amplifier, or possibly because of the way audio sounds amplified through vacuum tubes. If you
ask audio enthusiasts who prefer vacuum tube amplifiers, more than likely they will say it's the sound. The opinion
of a few audio enthusiasts may not mean much. How about the opinion of a few thousand ordinary people?
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Building a vacuum tube amplifier can be expensive. Transformers and power output tubes can be especially pricey.
If you are working with a tight budget, there are options available to help reduce costs. For the audiophile
working on a home system, referring to sound pressure levels for loudness can save you money and save your
hearing.
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Capacitors are available in many flavors, from low-cost general purpose capacitors to high-end Audiophile grade capacitors that
can get very costly. Searching audio forums, you will find discussions as to which capacitors sound better. Rather than select
capacitors based on subjective opinions, you might consider capacitors from a technical viewpoint.
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