Linear Audio Vol 13: Volume 13

Linear Audio Vol 13: Volume

Linear Audio Vol 13 is the 14th issue of a series of printed bookzines dedicated to technical audio and perception. Editorial Your Editor reflects on 14 issues, 2 books and 7 years and concludes It’s been a great adventure! Tutorial Burkhard Vogel, not content with his already immense knowledge of all things noise, finds time for Challenging BJT Noise. Circuit design Marcel van de Gevel thought it was time that in The valve DAC - Submicron silicon meets submillimetre vacuum. After several theoretical installments, Giovanni Stochino puts his money where his mouth is and gives us an Audio power amplifier with BEF error correction delivers 150W into 8 ohms at 0.0004% THD. Our friend Rudolf Moers is back with An investigation of the screen grid tap - a search for the hidden arguments. Ian Hegglun is has another out-of-the-box power amp design as only he can do, with a Current driven Output-stage class AB power amplifier. Test and Measurement With two heavy-hitters like Samuel Groner and Bruno Putzeys teaming up, Reed Relay Distortion gets unraveled and exposed. John Vanderkooy and Richard Mann joined forces to come up with An Open-Source Electroacoustic Measurement System: Part 1: Theory, Practicalities and Acoustic Examples; Part 2: Sound Card Setup, System Characterization and a ...

  • ASIN: 949092914X

Linear Audio Vol4: Volume 4

Linear Audio Vol4: Volume

Linear Audio Vol 4 is the fifth issue of a series of printed bookzines dedicated to technical audio and perception. Guest Editorial In The case for subjective Listening Tests, Dr. Hans van Maanen argues that there is a large body of circumstantial evidence for audible effects in audio equipment. Although not strictly ‘scientific’, this evidence can be used to determine promising avenues of development. Tutorials Burkhard Vogel discusses The Glowing NoiseMaker - On the demystification of triode noise, developing useful procedures to calculate realistic triode noise figures. Ian Hegglun makes progress Towards a reconciliation of measurements with listening tests with a weighted distortion measurement protocol that much better matches subjective listening tests. Technology Nelson Pass gives an overview of Static Induction Transistors, from the vintage Sony and Yamaha VFETs to the exciting new PASS-SIT-1 device. Lennart Jarlevang, in Revisiting the SIT Nemesis gets his hands on a couple of PASS-SIT-1 devices and develops a single-ended, transformer output class-A amplifier with excellent sound. Finally, Alfred Hesener presents The “Terrible Twins” – a push-pull amplifier with solid state pentodes based on SITs. Circuit Design Marcel van de Gevel goes tubes with his elegant ...

  • ASIN: 9490929050

Linear Audio Volume 0

Linear Audio Volume

Linear Audio Vol 0 is our first printed bookzine dedicated to technical audio and perception. This first issue has more than 12 insightful articles by an international team of authors: Solid State: Nelson Pass comes up with a tribute to the single ended triode power amp by replacing hollow state with silicon carbide in The Arch Nemesis*, while Douglas Self cuts through the confusion and handwringing by showing how Inclusive Compensation can be successfully applied. Joachim Gerhard goes Down the Rabbit Hole to get the lowest MC-preamp noise this side of liquid helium cooling*. Tube technology: Air Polisois extends his DC-coupling and Common Transformer developments in the deceptively simple Mini-Simplex, while Stuart Yaniger gives you the definite deal on The Truth about the Humble Cathodyne. Meanwhile, Frank Blöhbaum shows you A New Low-Noise Circuit Approach for Pentodes with his BestPenthode circuits. Loudspeakers and perception: Jean-Claude Gaertner embarked on a wide-ranging project for an active 4-way, DSP driven, remotely controlled system Project21. The first part describes the satellites. Siegfried Linkwitz contributes his landmark paper on STEREO - From live to recorded and reproduced - What does it take? - this should be the basis for many a discussion of what is and ...

  • ASIN: 9490929018

Linear Audio Volume 12: Volume 12

Linear Audio Volume 12: Volume

Linear Audio Vol 12 is the 13th issue of a series of printed bookzines dedicated to technical audio and perception. Editorial: Your editor reflects on the ongoing attempts to test for audibility of Hi-res audio and wonders We need a good test for high res audio – or do we? Tutorials: Christopher Paul asks So What’s Mu with You? and comes up with a set of insightful equations, schematics and parameters. Pierre Touzelet, our resident mathematician, thought long and hard On driving methods for loudspeaker systems and came up with relative merits of one method over another. Circuit design: Bill Waslo decided it was time for Something Different: “The Spring” SE Class-A ZGNFB MOSFET Amplifier, zero nfb and single-ended / class A; Vincent Thiernesse decided it was time for Efficient, unity power-factor, low cost audio power amp supplies and designed one, with sine wave current absorption and inherently good power factor; Douglas Self decided it was time for Rumble filtering – like you really mean it; Hans Polak made An attempt to design a non plus ultra Phono-Preamp that could hold its own with the best without having to mortgage the farm. Test and Measurement: Samuel Groner teamed up with Scott Wurcer and the resulting Quadrature Bridge Measures Harmonic Distortion in Capacit...

  • ASIN: 9490929131

Linear Audio Vol 8: Volume 8

Linear Audio Vol 8: Volume

Linear Audio Vol 8 is the ninth issue of a series of printed bookzines dedicated to technical audio and perception. Guest Editorial John Atkinson, Stereophile’ s Editor-in-Chief writes about The Art and Science of the Audio Review and the necessary complementarity of measurements and listening to judge audio quality – a must-read. Circuit design Frank Blöhbaum is back – in Multiplied Transconductance Amplifiers –part 2: high power amplification he reaches for 100W SE Class A at vanishingly low distortion. Giovanni Stochino amplifies his first article with Feedback Error Correction – some further thoughts on Part 1. Stuart Yaniger completes Equal Opportunity - A Balanced Moving Magnet Phono Stage with a prototype built and measured. Rudolf Moers returns with another in-depth study, this time into The Otto Schade Method - A practical design method for rectifier circuits. In his quest for a simple rule for RIAA noise, Marcel van de Gevel comes up with Gramophone preamplifier noise calculations - the 3852 Hz-rule revisited. Not satisfied with Square Law amplification, Ian Hegglun designed A Cube Law audio power amplifier – Class A at ¼ of the idle dissipation*. Test and measurement Jan Didden looked into the persistent rumours about Thermal transients variation of power...

  • ASIN: 9490929093

Linear Audio Vol 6: Volume 6

Linear Audio Vol 6: Volume

Linear Audio Vol 6 is the seventh issue of a series of printed bookzines dedicated to technical audio and perception. Guest Editorial: David Zan is preparing to write about Advanced audio power amplifiers in a future issue – in this Guest Editorial he explains his reasoning and what he means by ‘Advanced’. Tutorials: Bob Cordell explains his own perspective on Advanced Amplifier concepts in TPC and TMC Feedback Compensation for Power Amplifiers. Robert Munnig Schmidt is back with Fine-tuning and measurements of a sensorless motional feedback subwoofer. In RIAA Revisited, or how to better judge documented figures, Hans Polak reconciles phono preamp specifications that often excel in data that cannot be compared between units. In his Introduction to noise Ronald Quan provides a nice, clear overview of noise issues in circuit design. Circuit design: Frank Blöhbaum shows that you can use an unseemly collection of exotic vacuum devices to make great Multiplied Transconductance Amplifiers. Diehard Erno Borbely teamed up again with Sigurd Ruschkowski to design Proteus – a current input moving coil preamp*. In contrast, Hannes Allmaier went back to Peter Walker’s 3-transistor design and morphed it into The High-Octane phono preamp. Daniel Joffe tried his hand – successfully ...

  • ASIN: 9490929077

Linear Audio Vol 7: Volume 7

Linear Audio Vol 7: Volume

Linear Audio Vol 7 is the eight issue of a series of printed bookzines dedicated to technical audio and perception. In this issue: Guest Editorial Joachim Gerhard is back with a very personal ccount of his years’ long search for The Gpole. Tutorials Malcolm Hawksford reviews Audio Equalization for RIAA- and tone controls and offers MatLab based design tools, while Douglas Self investigates optimizing RIAA realization. Circuit design David Zan starts with Part 1 of his quest Towards Advanced Power Amplifiers, while Giovanni Stochino explores other avenues to the perfect amplifier in Recent investigations and developments related to feedback and feed-forward error correction; Stuart Yaniger offends tube- and solid-state fans equally in part 1 of The Equal Opportunity MM preamp. Burkhard Vogel has a high performance affordable design for A Poor Man’s Measurement Amplifier. Simulation and modeling Barrie Gilbert explains how to use design tools in an intelligent way for Experimental Design in Simulation. Speaker Design Finding the ideal speaker enclosure shape is not trivial, but George Ntanavaras undertook the quest and ended up with The Prisma Loudspeaker. The Way I see it… Further to his observation of differences in identical circuits in different implementations, Stan Curt...

  • ASIN: 9490929085

Linear Audio Vol 11: Vol 11 (Volume 11)

Linear Audio Vol 11: Vol 11 (Volume

Linear Audio Vol 11 is the 12th issue of a series of printed bookzines dedicated to technical audio and perception. Editorial AudioXpress’ João Martins reflects on the life and work of Oliver Sacks in 'Music is part of being human'. Tutorials Gary Galo delves into 'RIAA Equalization for Displacement-Sensitive Phono Cartridges' and gets to the bottom of it. Hans Polak is Digging deeper into Error Correction and trades views with Giovanni Stochino in an effort to get to the bottom or error correction in 'Error correction in power amplifiers – implementation issues and reply to Mr. Polak'. Circuit design Dimitri Danyuk sets out to design 'A high-performance single gain-stage Preamp' to match a low impedance level control; Douglas Self designs 'The Devinyliser', while Guido Tent explains 'Cathode followers: Love ‘m or hate ‘m'. Eugene Dvoskin comes up with 'Low-cost superregulators – design, performance and stability' showing that you don’t necessarily need to use expensive parts for great performance. Burkhard Vogel, not content with leaving ends loose, is back with 'The Glowing NoiseMaker Reloaded'. Room acoustics Hannes Allmaier warns us 'Don’t put speakers in rooms & what happens if you do' giving much needed insight into what really makes your system sound as it d...

  • ASIN: 9490929123

Linear Audio Vol 5: Volume 5

Linear Audio Vol 5: Volume

Linear Audio Vol 5 is the sixth issue of a series of printed bookzines dedicated to technical audio and perception. Tutorials How do you size those snubbers across rectifiers – and do they work at all? Morgan Jones decided to find out and found some unexpected answers in Rectifier snubbing – background and Best Practices. After years of trying to recreate the Big Bang, Erik Margan returned to audio to tell all about Interconnections in Audio. Pierre Touzelet completes his investigations in transformers writing On stray capacitances in audio transformers. Technology Not everyone is convinced that SACD really sounds better than red book CD. Hans van Maanen is, and he presents investigations and findings to back up his experiences On the audibility of “high resolution” digital audio formats and how to test this. Circuit design An RIAA corrected preamp is fine for contemporary vinyl, but for recreating the sound of 100 years old discs and cylinders, you need An Archival Phono Preamplifier – and Gary Galo designed one. After exploring the F-word, Bruno Putzeys is back with the next letter in the alphabet: The G-word, or How to Get Your Audio off the Ground – providing insight and Best Practices for clean audio. Circuit design can be fun, and sometimes the challenge als...

  • ASIN: 1986626539

Baxandall and Self on Audio Power: Linear Audio Classic

Baxandall and Self on Audio Power: Linear Audio

Arguably, the last quarter of the previous century saw audio (power) amplifier technology advance with great leaps. Active and passive components of great technical quality and reliability became available commercially. Detailed understanding of what exactly goes on inside our audio circuits, as well as the areas where improvements were possible, greatly increased. The original meaning of High Fidelity, i.e. trying to reproduce music from a source as transparent and as untouched as technically possible, was leading this advance. One important catalyzer for this progress was the British journal Wireless World, which published leading articles on audio technology. WW articles are to this day treasured and consulted by those interested in audio technology. Two often-quoted series of articles, written by Peter Baxandall and Douglas Self, have been reproduced in this book. In addition, some 35 typewritten pages by Peter, discussing technical amplifier issues, which never have been published before, have been added. Between them, Peter and Douglas treat the important issues in audio power amplifier design, Peter focusing on feedback and related issues, and Douglas focusing on distortion and related issues. Perhaps the most quoted (and most misunderstood) figure from Peter’s series w...

  • ASIN: 9490929034

Linear Audio Vol 2: Volume 2

Linear Audio Vol 2: Volume

Vol 2 is our third Volume, and has again a mix of technologies and subjects. Bob Cordell is back with a very high quality KT-88-based tube power amplifier. Rudolf Moers goes on an ultra-linear adventure. If there was ever anything you wanted to know about the design, advantages and trade-offs in ultra-linear tube power amps, this article will surely answer it. On the solid-state front, Kendall Castor-Perry designed a novel and ingenious gain-of-one power output stage that needs no adjustments or thermal compensation yet is extremely linear, even open loop. Our friend from Switzerland, Samuel Groner, came up with an equally high-performance push-pull transimpedance stage that could drive Kendall’s output stage, or any other, for that matter. Nelson Pass has a sequel to the Arch Nemesis, transplanting the SiC power device with a custom-designed Static Induction Transistor, the Pass SIT 1. Marcel van de Gevel describes a simple loudspeaker correction filter that gets away with standard value capacitors and a simple gain-of-one buffer amp as the active element. Patrick K (aka as EUVL), inspired by designs from Nelson Pass, Marshall Leach and others presents a minimalistic I/V converter for current output DACs based on jFETs and a floating power supply. Stuart Yaniger shares with us...

  • ASIN: 198629482X

Stillhouse Lake

Stillhouse

Gina Royal is the definition of average - a shy Midwestern housewife with a happy marriage and two adorable children. But when a car accident reveals her husband's secret life as a serial killer, she must remake herself as Gwen Proctor - the ultimate warrior mom. With her ex now in prison, Gwen has finally found refuge in a new home on remote Stillhouse Lake. Though still the target of stalkers and Internet trolls who think she had something to do with her husband's crimes, Gwen dares to think her kids can finally grow up in peace. But just when she's starting to feel at ease in her new identity, a body turns up in the lake - and threatening letters start arriving from an all-too-familiar address. Gwen Proctor must keep friends close and enemies at bay to avoid being exposed - or watch her kids fall victim to a killer who takes pleasure in tormenting her. One thing is certain: she's learned how to fight evil. And she'll never stop.

  • Brand: Brilliance Audio
  • ASIN: B072J4KZM6

Differential Equations and Linear Algebra

Differential Equations and Linear

Differential equations and linear algebra are the two crucial courses in undergraduate mathematics. This new textbook develops those subjects separately and together. The complete book is a year's course, including Fourier and Laplace transforms, plus the Fast Fourier Transform and Singular Value Decomposition. Undergraduate students in courses covering differential equations and linear algebra, either separately or together, will find this material essential to their understanding. Contents:Preface; 1: First Order Equations; 1.1: Four Examples: Linear versus Nonlinear; 1.2: The Calculus you Need; 1.3: The Exponentials; 1.4: Four Particular Solutions; 1.5: Real and Complex Sinusoids; 1.6: Models of Growth and Decay; 1.7: The Logistic Equation; 1.8: Separable Equations and Exact Equations; 2: Second Order Equations; 2.1: Second Derivatives in Science and Engineering; 2.2: Key Facts About Complex Numbers; 2.3: Constant Coefficients A, B, C; 2.4: Forced Oscillations and Exponential Response; 2.5: Electrical Networks and Mechanical Systems; 2.6: Solutions to Second Order Equations; 2.7: Laplace Transforms Y(s) and F(s); 3: Graphical and Numerical Methods; 3.1: Nonlinear Equations; 3.2: Sources, Sinks, Saddles, and Spirals; 3.3: Linearization and Stability in 2D and 3D; 3.4: The Bas...

  • Brand: CAMBRIDGE UNIVERSITY PRESS
  • ASIN: 0980232791

Linear Time Playing: Funk & Fusion Grooves for the Modern Styles, Book & CD

Linear Time Playing: Funk & Fusion Grooves for

An introduction to linear time playing. The first section contains basic exercises for linear playing skills: voice coordination, dynamic balance, accenting, and more. The second section deals with the development of time feels in the linear style, including 4/4, half-time, shuffle, and odd-meter.

  • Brand: Alfred
  • ASIN: 0769233694
  • UPC: 029156073805

Linear Audio Vol 10: Volume 10

Linear Audio Vol 10: Volume

Linear Audio Vol 10 is the 11th issue of a series of printed bookzines dedicated to technical audio and perception. Editorial Your Editor muses why, despite the technical shortcomings, many seem to re-discover The pleasure of playing vinyl; while AudioXpress’s Joao Martins notes We're Just Starting with Digital .. and its challenges for high-end audio. Tutorials Hannes Allmaier explains all about The Ins and Outs of turntable dynamics - and how they mess up your vinyl playback. Hans Polak builds on earlier work by Muncy and Whitlock in Pin 1 revisited, adding OEO to an accepted rule. Not satisfied with designing some of the best analog phono pres in the world, Scott Wurcer applied himself to Record replay RIAA correction in the digital domain, complementing his article with extensive online support. Circuit design Jacques Exbrayat has single transistor handling the audio, relegating voltage and current settings to the periphery and ended up with A minimal structure high-performance / voltage follower / Amplifier. Mark Johnson extensively researched transformer and rectifier ringing and found that Soft Recovery Diodes Lower Transformer Ringing by 10-20X. Merlin Blencowe got to the bottom of Partition Noise and the ‘BestPentode’ Revisited. After a series of Experiments in Low...

  • ASIN: 9490929115
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