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The book ""The Notion of Tradition in John Driedo: Dissertatio ad Lauream in Facultate Theologica, Pontificiae Universitatis Gregorianae"" by John L. Murphy is a scholarly work that explores the concept of tradition in the writings of John Driedo, a 16th-century Dutch theologian. The book is based on Murphy's doctoral dissertation, which he completed at the Pontifical Gregorian University in Rome.The book begins with an introduction that provides an overview of Driedo's life and work, as well as the historical context in which he lived. From there, Murphy delves into Driedo's writings on tradition, examining his views on the relationship between Scripture and tradition, the role of the Church in preserving and interpreting tradition, and the importance of tradition in the development of Christian doctrine.Throughout the book, Murphy engages with Driedo's ideas in a critical and nuanced manner, drawing on a range of primary and secondary sources to provide a comprehensive analysis of his thought. He also situates Driedo's ideas within the broader context of the Reformation and the Catholic Counter-Reformation, highlighting the ways in which Driedo's views on tradition were both influenced by and contributed to these movements.Overall, ""The Notion of Tradition in John Driedo"" is a rigorous and insightful study of an important figure in the history of Christian thought, and will be of interest to scholars and students of theology, history, and philosophy.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.

Introduction to Loudspeaker Design is written for students, technicians, engineers and hobbyists seeking an overview of the technology of loudspeakers. Starting with a brief history of audio developments the book begins by introducing the concepts of frequency, pitch and loudness and proceeds to develop the idea of a loudspeaker as a system. The book covers such topics as loudspeaker design tradeoffs, spatial loading, diffraction loss, cavity effect and enclosure construction. A complete chapter is devoted to the subject of crossover design including design equations. The second edition adds a new chapter on simulation and analysis which includes design equations for closed and vented type speakers. The appendices contain technical references, design aids, glossaries and a chart depicting 18 different loudspeaker enclosure types. The author is a physicist/audio design engineer with over 35 years experience in the research and development of audio products spanning both hardware and software. His WinSpeakerz, TrueRTA and DATS software applications are widely used throughout the audio industry as tools for simulating and measuring loudspeaker performance. Captain Murphy served as a space systems analyst for NORAD during his military career. Changes for the Second Edition: The second edition brings new material and polishes the first edition with many new or improved illustrations. Chapter 2 was expanded with the second half split into a new Chapter 3 titled "Speaker Response Functions". The discussion of Thiele-Small parameters has been expanded and now covers small-signal parameters vs. large-signal parameters as it explores the role of the test signal level in parameter measurement. The crossover design chapter has been expanded to include formulas for calculating component values for the most popular crossover types. Equations have been added for calculating impedance compensation and attenuation networks. The old Chapter 7 FAQ material was integrated into other chapters as appropriate. A new Chapter 8 titled "Loudspeaker Simulation" has been added and introduces loudspeaker equivalent circuit analysis with equations for calculating the magnitude and phase responses of closed and vented loudspeaker systems. Additional design equations are introduced and then examples are given for calculating the responses of a closed box and a vented box loudspeaker. Detailed design equation summaries are given for closed and vented boxes. Appendix C was added to provide a glossary of symbols and a glossary of terms. The box type charts were moved to Appendix D.