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PEARL's Audio Note Series and Literature Archive |
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The Audio Note Series |
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| AN 0.3 | The Index to the PEARL Vacuum Tube Technology Archive
- Last Updated Sept. 4, 2010: Note that this document is updated approximately monthly as new items are uploaded to our site. All downloads presently available can be accessed through the PEARL Archive listings below. |
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| AN 0.4 | Vacuum Tube Electronics: A Review of the Major Texts: Scott authoritatively reviews scores of the classic textbooks on vacuum tube theory, implementation, construction and so on . . . . highly recommended Presented here with the permission of Scott Frankland. |
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| AN 1.3 | PEARL Tube Coolers:
28 pages of text, drawings, reviews and ordering information on the well-known PEARL tube coolers. In production for nearly two decades, this humble, sensibly priced accessory has been sold to the extent of approximately 300,000 pieces worldwide. |
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| AN 1.5 | PEARL Tube Coolers - A Quick Start Guide: A 4 page guide to the basic theory of operation and installation of our tube coolers |
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| AN 2.1.1 | A Little Input on Audio Output Transformers & Update: Some basic transformer theory and specifications on PEARL's high power, ultra-wide bandwidth output transformers. The Update covers ultra-linear operation implemented with a separate screen winding and regulated, screen power supply. |
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| AN 6.2 | Getting the Shake and Rattle Out of Your Rock and Roll:
Suppressing Microphonic Output from Vacuum Tube Gear - Information on microphony in general and PEARL Iso-sockets in particular. |
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| AN 7.1 | Iso-socket Installation Instructions: The title says it all . . . |
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| AN 8.1 | The Measurement of Microphonic Effects
in Vacuum Tubes: A very informative discussion of microphony |
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| AN 9.1 | Making Contact with Your Tubes: How to clean the heavy oxides from through-glass pins of tubes using same for connection with socket contacts. |
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| AN 23.1 | The PEARL SC 280 Monoblock - Notes on a Work in Progress: Although the title does say it all, these notes were written in 1990/2 and although much work has been done since then, no notes documenting that work have been written as yet. |
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| AN 23.2 | The PEARL SC 280 Monoblock - Notes on a Work in Progress: This is an Update to AN 23.1 |
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PEARL Archive of Vacuum Tube Technology |
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Download the index to the PEARL Vacuum Tube Technology Archive |
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Volume 1 - Power Amplifiers |
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| Sec. 1 | Amplifier Basics - 15 articles | |||
| Sec. 2 | Ultra-linear Amplifiers - 18 articles | |||
| Sec. 3 | Mcintosh Unity-coupled Amplifier |
Sec. 3 Contents |
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| Sec. 4 | Triode Connected Tetrodes |
Sec. 4 Contents |
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| Sec. 5 | Constant Current Output Stages |
Sec. 5 Contents |
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| Sec. 6 | The Williamson Amplifier |
Sec. 6 Contents |
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Volume 2 - Power Amplifiers |
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| Sec. 7 |
Sec. 7 Contents |
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| Sec. 8 |
Sec. 8 Contents |
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| Sec. 9 |
Sec. 9 Contents |
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| Sec. 10 |
Sec. 10 Contents |
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| Sec. 11 |
Sec. 11 Contents |
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| Sec. 12 |
Sec. 12 Contents |
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| Sec. 13 |
Sec. 13 Contents |
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Miscellaneous Downloads |
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| This page is posted as something of a precursor to the construction of our site. Here we've made available a number of PDF files that will eventually be available from our site's main navigation page(s). In the meantime, and so that those viewing posts archived on various servers will find live links in the future we will keep this page as permanent resource. | ||||
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