Supplemental Material (previously available on CD): Loudspeaker Design Cookbook
Issue | Article | Author | File(s) | ||
2024 | |||||
09/24 | Derived from Elliptic | Charlie Laub | Laub-AX-September2024 | ||
08/24 | Low-Pass and High-Pass Notch Filters | Charlie Laub | Laub-AX-August2024 | ||
07/24 | Designing a Powerful Speech Compressor | Ethan Winer | Winer-AX-July2024 | ||
05/24 | Optimizing Single-Stage Dual-Triode Totem Pole Drivers | Christopher Paul | Paul-AX-May2024 | ||
05/24 | A High-Performance 60-Watt Class A Amplifier | Andrew C. Russell | Russell-AX-May2024 | ||
03/24 | The AVM-100True-RMS Voltmeter | George Ntanavaras | Ntanavaras-AX-March2024 | ||
02/24 | Duetta: A Modest-Cost, Transmission-Line Speaker | Paul Kittinger | Kittinger-AX-February2024 | ||
2023 | |||||
12/23 | JFETs in the Variable-Resistance Mode and Their Application in Audio Circuits | Dimitri Danyuk | Danyuk-AX-December2023 | ||
10/23 | Build the Popping Ps Filter | Ethan Winer | Winer-AX-October2023 | ||
10/23 | Building a Minimally Baffled Dipole Speaker | Charlie Laub | Laub-AX-October2023 | ||
09/23 | Bass Reflex Performance Envelope | Gary Gesellchen | Gesellchen-AX-September2023 | ||
05/23 | Myths in Tube Circuit Designs | Peter Dieleman | Dieleman-AX-May2023 | ||
05/23 | Vintage Op-Amp Noise Simulation | Burkhard Vogel | Vogel-AX-April2023 | ||
04/23 | Vintage Op-Amp Noise Simulation | Burkhard Vogel | Vogel-AX-April2023 | ||
02/23 | The Pre-5: A High-Performance Tube Hybrid Preamp | James Skov | Skov-AX-February2023 | ||
2022 | |||||
12/22 | The LNA-100: A Low Noise Amplifier with Filters and a RMS Voltmeter | George Ntanavaras | Ntanavaras-AX-December22 | ||
10/22 | Making a DC Power Supply with Audible Benefits (Part 1) | Frans de Wit | deWit-AX-October2022 | ||
08/22 | Build a Guitar-Controlled Synthesizer: VCA & VCF | Ethan Winer | Winer-AX-August2022 | ||
07/22 | Build a Guitar-Controlled Synthesizer: Input Section & Pick Detector | Ethan Winer | Winer-AX-July2022 | ||
06/22 | Build a Guitar-Controlled Synthesizer: LFO and ADSR | Ethan Winer | Winer-AX-June2022 | ||
05/22 | Build a Guitar-Controlled Synthesizer: Frequency to Volts and Back | Ethan Winer | Winer-AX-May2022 | ||
04/22 | Build a Guitar-Controlled Synthesizer: The Sample & Hold Time Machine | Ethan Winer | Winer-AX-Apr2022v2 | ||
01/22 | Build a Current Feedback Headphone Amplifier | Brian Bylenok | Bylenok-AX-Jan2022 | ||
2021 | |||||
12/21 | Thinking About DC Power Supplies | Frans de Wit | deWit-AX-Dec2021 | ||
12/21 | Simple Xtal-Based Motor Control for Turntables | Michel Nieuwenhuizen | Nieuwenhuizen-AX-Dec2021 | ||
10/21 | Ultra-Linear:Why It Works And When It Will Not | Morgan Jones | Jones-AX-Aug2021 | ||
10/21 | The Tetrahedral Test Chamber Story | Geoff Hill | Hill-AX-Aug2021 | ||
08/21 | The DH-220C MOSFET Power Amplifier | Bob Cordell and Rick Savas | Cordell-AX-Aug2021 | ||
05/21 | Noise Is Everywhere - Even in MC Input Transformers | Burkhard Vogel | Vogel-AX-May2021 | ||
02/21 | X-Altra Moving Coil/Moving Magnet RIAA EQ Preamplifier | Andrew C. Russell | Russell-XAltra-AX-Feb2021 | ||
01/21 | Getting Started with Automotive Audio Bus | Brewster LaMacchia | LaMacchia-AX-Jan2021 | ||
01/21 | Live-Edge Dipoles | Perry Marshall | Marshall-AX-Jan2021 | ||
01/21 | Four Digital Stylus Force Gauges | Gary Galo | Galo-AX-Jan2021 | ||
2020 | |||||
12/20 | Article Update: Comparing IMD (and THD) Measurements | Burkhard Vogel | Vogel-AX-Dec2020 | ||
09/20 | Loudspeaker Measurements at Home: A Guide for Building Your Own Test Chamber | Geoff Hill | Hill-AX-July2020 | ||
07/20 | Build a Fully Balanced Transconductance Preamplifier | Dimitri Danyuk | Danyuk-AX-June2020 | ||
05/20 | Build This MoFo! | Mike Rothacher | Rothacher-AX-May2020 | ||
05/20 | Stop Worrying About Coupling Capacitors! | Ethan Winer | Winer-AX-May2020 | ||
2019 | |||||
06/19 | Searching for a Unicorn | Brian Lowe | Lowe-AX-June2019 | ||
03/19 | Attenuators for Measurement | Jonathan Novick | Novick-AX-Mar2019 | ||
02/19 | An Experimental Cutterhead for Phonograph Disc Recording | Jim Wood | Wood-AX-Feb2019 | ||
02/19 | DPA d:vote 4099 Instrument Microphone | Stuart Yaniger | Yaniger-AX-Feb2019 | ||
01/19 | The PR-3: A High-Quality Stereo Preamplifier | George Ntanavaras | Ntanavaras-AX-Jan2019 | ||
2018 | |||||
11/18 | The Incredible Egg | Thomas Perazella | Perazella-AX-Oct2018 | ||
09/18 | Energy-Efficient Multi-Level Amplifier Solutions | Ward Maas | Maas-AX-Sept2018 | ||
06/18 | The TSM-100:A Turntable Speed Measurement Device | George Ntanavaras | Ntanavaras-AX-June2018 | ||
06/18 | Exploring Master Quality Authenticated (Part 2) | Ron Tipton | Tipton-AX-June2018 | ||
05/18 | Exploring Master Quaility Authenticated (Part 1) | Ron Tipton | Tipton-AX-May2018 | ||
04/18 | A DIY HRTF Binaural Microphone Head | Ron Tipton | Tipton-AX-Apr2018 | ||
03/18 | IK Multimedia ARC 2.5 Advanced Room Correction System | Ron Tipton | Tipton-AX-Mar2018 | ||
02/18 | Realistic Stereo from Headphones | Ron Tipton | Tipton-AX-Feb2018 | ||
01/18 | Music Streaming Services with Volume Normalization | Ron Tipton | Tipton-AX-Jan2018 | ||
01/18 | The 6922 Project | Robert Nance Dee | Dee-AX-Jan2018 | ||
01/18 | Reparing Switching Mode Power Supplies | Scott Dorsey | Dorsey-AX-Jan2018 | ||
2017 | |||||
12/17 | Vinyl vs. CD (Part 3): Exploring Effects | Ron Tipton | Tipton-AX-Dec2017 | ||
11/17 | Vinyl vs. CD (Part 2): Repeated Measurements | Ron Tipton | Tipton-AX-Nov2017 | ||
10/17 | Build the Mojo Maestro | Ethan Winer | Winer-AX-Oct2017 | ||
10/17 | Vinyl vs. CD (Part 1): Measuring the Sound Difference | Ron Tipton | Tipton-AX-Oct2017 | ||
1017 | The Denali Voltage Reference | Christopher Paul | Paul-AX-Oct2017 | ||
10/17 | Modern JFETs in Audio Circuits | Dimitri Danyuk | Danyuk-AX-Oct2017 | ||
9/17 | True Bass in a Large Space | Don Keele, Jr. | Keele-AX-Sep2017 | ||
9/17 | Hybrid Electrostatic Loudspeaker with Tailored Dispersion | Charlie Mimbs | Mimbs-AX-Sep2017 | ||
8/17 | Early Reflections | Ethan Winer | Winer-AX-Aug2017 | ||
8/17 | Loudness Revisited (Part 3): Software Tools | Ron Tipton | Tipton-AX-Aug2017 | ||
7/17 | Hypex Electronics: Class-D High-Fidelity | Ward Maas | Maas-AX-July2017 | ||
7/17 | Cherry Bomb—A VFET SET Amplifier (Part 2): Construction and Listening Tests | Thomas Perazella | Perazella-AX-July2017 | ||
7/17 | Loudness Revisited (Part 2): Varying Methods of Loudness Measurement | Ron Tipton | Tipton-AX-July2017 | ||
06/17 | Cherry Bomb—A VFET SET Amplifier (Part 1): The Concept, the Design, and the Plan Modifications | Thomas Perazella | Perazella-AX-June2017 | ||
06/17 | A Sources 101 Update | Walt Jung | Jung-AX-June2017 | ||
06/17 | Head Space: A Binaural Recording Session | Neville Roberts | Roberts-AX-June2017 |
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06/17 | Loudness Revisited (Part 1): It All Started with Volume Control | Ron Tipton | Tipton-AX-June2017 | ||
05/17 | High-Quality Hi-Fi Circlotron Power Amplifiers | Gerhard Haas | Haas-AX-May2017 | ||
05/17 | Kismet 5: The 20th Anniversary Edition | Fabio Camorani | Camorani-AX-May2017 | ||
05/17 | Streaming Music Experiences (Part 5): Streaming from Sonos and Deezer | Ron Tipton | Tipton-AX-May2017 | ||
04/17 |
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Ron Tipton | Tipton-AX-April2017 | ||
04/17 | DIM-100—A Device for Interfacing and Measuring with Sound Cards (Part 2): Assembly and Testing | George Ntanavaras | Ntanavaras-AX-April2017 | ||
04/17 | Use 6C33 Tubes to Build a Push-Pull AB Amplifier | Gerhard Haas | Haas-AX-April2017 | ||
03/17 | Build a TM50x Power Module Tester | Chuck Hansen | Hansen-AX-March2017 | ||
03/17 | Streaming Music Experiences (Part 3): Streaming from TIDAL HiFi | Ron Tipton | Tipton-AX-March2017 | ||
02/17 | Streaming Music Experiences (Part 2): Streaming Multichannel Audio from Apple TV | Ron Tipton | Tipton-AX-February2017 | ||
01/17 | Streaming Music Experiences (Part 1): Streaming Direct Stream Digital Audio | Ron Tipton | Tipton-AX-January17 | ||
01/17 | Kii Three: The Next Step in Loudspeaker Evolution | Jan Didden and Paul Wilke | Didden-Wilke-AX-January2017 | ||
2016 |
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12/16 | Room Correction Revisited (Part 6) | Ron Tipton | Tipton-AX-December2016 | ||
12/16 | Optocouplers in a MOSFET Power Amplifier Design | Richard K. Mains | Mains-AX-December2016 | ||
12/16 | Retro-Style High-Fidelity Preamplifier | Bill Christie | Christie-AX-December2016 | ||
11/16 |
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Ron Tipton | Tipton-AX-November2016 | ||
11/16 | Fairchild 275 Restoration | Bruce Brown | Brown-AX-November2016 | ||
11/16 | KEMET's Electrolytic Capacitors: The PEG124 Series | Scott Dorsey | Dorsey-AX-November2016 | ||
10/16 | Room Correction Revisited (Part 4) | Ron Tipton | Tipton-AX-October2016 | ||
10/16 | Reggie-Phil | Chris Paul | Paul-AX-October2016 | ||
9/16 | Room Correction Revisited (Part 3) | Ron Tipton | Tipton-AX-Sept2016 | ||
9/16 | Eliminating Room Reflections in Woofer Measurements (Part 2) | Richard K. Mains | Mains-AX-Sept2016 | ||
8/16 | Room Correction Revisited (Part 2) | Ron Tipton | Tipton-AX-Aug2016.zip | ||
8/16 | Eliminating Room Reflections in Woofer Measurements (Part 1) | Richard K. Mains | Mains-AX-Aug2016.zip | ||
7/16 | Room Correction Revisited (Part 1) | Ron Tipton | Tipton-July2016.zip | ||
7/16 | The D70 Stereo Tube Amplifier | Mark Driedger | Driedger-July2016.zip | ||
6/16 | An Ecological Power Supply for Power Amplifiers | Vincent Thiernesse | Thiernesse-AX-June2016 | ||
5/16 | Universal Tube Power Amplifier System | Gerhard Haas | Haas-AX-May16.zip | ||
5/16 | Higher Order Ambisonics (Part 2) | Ron Tipton | Tipton-AX-May16.zip | ||
04/16 | Higher Order Ambisonics (Part 1) | Ron Tipton | Tipton-AX-April16.zip | ||
04/16 | A 3.1 Channel System | Bill Christie | Christie-AX-April-16.zip | ||
04/16 | TERESA de Luxe | Harald Frank | Frank-AX-April16.zip | ||
03/16 | Build an Audio Headroom Meter | James. B. Wood | Wood-Mar-2016 | ||
03/16 | Playing with Room Correction | Ron Tipton | Tipton-AX-March16.zip | ||
02/16 | Willow Revisited: A Design Celebrating the Enthusiasm and the Creativity of the Bulder | Robert Nance Dee | Dee-AX-Feb16.zip | ||
02/16 | Three-Way Loudspeakers with Active Crossovers | Ron Tipton | Tipton-3-Way-AX-Feb-16.zip | ||
02/16 | Immersive Sound (Part 2): Experiments with Dolby Atmos | Ron Tipton | Tipton-AX-Feb-16.zip | ||
01/16 | The iSEMic 725TR Measurement and Recording Microphone | Stuart Yaniger | Yaniger-AX-Jan16.zip | ||
2015 |
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12/15 | Immersive Sound: A Look at Auro-3D | Ron Tipton | Tipton-AX-Dec15.zip | ||
12/15 | A Single-Ended Type-A Monobloc Amplifier: Obtain 25 W with Two KT 88 Vacuum Tubes | Gerhard Haas | Haas-AX-Dec15.zip | ||
11/15 | Binaural Sound from Two Loudspeakers (Part 2): Software Options and Afforable Solutions | Ron Tipton | Tipton-AX-Nov15.zip | ||
11/15 | Build the PhaseBuster! | James Wood | Wood-AX-Nov15-USE.zip | ||
10/15 | Binaural Sound from Two Loudspeakers (Part 1): Crosstalk Cancellation and Spectral Compensation | Ron Tipton | Tipton-AX-Oct15.zip | ||
9/15 | Enhanced Stereo (Part 3) Adding Realism to Sound Files | Ron Tipton | Tipton-Sept-2015.zip | ||
8/15 | Enhanced Stereo (Part2): Exploring Enhanced Stereo Solutions | Ron Tipton | Tipton-Aug-2015 | ||
8/15 | The Right Filter (Part 3): Phase Corrector 2 Brings Us Closer to the Ideal Crossover | Vincent Thiernesse | Thiernesse-AX-August15.zip | ||
7/15 | The Right Filter (Part 2): Crossover Frequency Tuning | Vincent Thiernesse | Thiernesse-AX-July15.zip | ||
7/15 | Enhanced Stereo (Part 1): The Basics | Ron Tipton | Tiption-July2015.zip | ||
6/15 | Classical Binaural Experiences | Ron Tipton | Tipton-AX-June15.zip | ||
6/15 | The Right Filter | Vincent Thiernesse | Thiernesse-AX-June15.zip | ||
6/15 | Construct a PIC-Based Audio DDS Device | Larry Cicchinelli | Cicchinelli-AX-June15.zip | ||
5/15 | Signal Dynamic and Loudness | Ron Tipton | Tiption-May2015.zip | ||
5/15 | Extending the Arduino-Based Tube Power Amplifier Controller | Mark Driedger | Driedger-AX-May15-Controller.zip | ||
4/15 | Playing with Ambisonics | Ron Tipton | Tipton_April15 | ||
4/15 | Construct a Wall Wart Power Supply | Larry Cicchinelli | Cicchinelli-AX-April15.zip | ||
4/15 | Benchmark AHB2 Stereo Power Amplifier |
Gary Galo | Galo-AX-April15-Benchmark.zip | ||
3/15 | The 5.1 Alternative from Digital Theater Systems | Ron Tipton | Tipton-AX-Mar15-A Tipton-AX-Mar15-B Tipton-AX-Mar15-C Tipton-AX-Mar15-D Tipton-AX-Mar15-E |
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2/15 | Surround Sound—The Next Generation: Dolby Laboratories | Ron Tipton | Tipton-AX-Feb15 | ||
2/15 | Arduino-Based Tube Power Amplifier Controller |
Mark Driedger | Driedger-AX-Feb15 | ||
1/15 | Quadraphonic | Ron Tipton | Tipton-AX-Jan15.zip | ||
1/15 | MOD 102 Guitar Tube Amplifier Kit: Ready-to-Build Tube Sound | Elektor.Labs | http://youtu.be/zxkaCPehrtQ | ||
2014 |
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12/14 | The Continuing Quest for Realistic Recorded Sound Reproduction | Ron Tipton | Tipton-AXDec14.zip | ||
11/14 | Build a Powerful Tube Amplifier | Gerhard Haas | Haas-AXNov14.zip | ||
8/14 | Audio Spectrum Display Design | Larry Cicchinelli | Cicchinelli-AXAug14.zip | ||
6/14 | Build an FM-Stereo Generator | George Adamidis | Adamidis-AXJune14.zip | ||
2012 |
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8/12 | A 50-W BJT Stereo Amplifier | Sam Dulaney | Dulaney-AXAug12.zip | ||
8/12 | "PI" Design - A DIY Pre-Amplifier Interface | Robert Nance Dee | Dee-AXAug12.zip | ||
5/12 | An Audiophile's Battery Tube Amp - supplemental information | Robert Nance Dee | Dee-AXMay12.zip | ||
4/12 | Hybrid Electrostatic Loudspeakers Constructed with a Twist | Charlie Mimbs | Mimbs-AXApril12.zip | ||
2/12 | The 5002 Project - supplemental information | Robert Nance Dee | Dee-AXFeb12.zip | ||
2011 |
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12/11 | Correction to Figure 5 (p. 30): "The Willow Preamp" | Robert Nance Dee | gain_stage__rev3.pdf | ||
11/11 | Class D Technology for Home Use Table: "The Abletec Class D Amplifier" | Wim de Haan | ClassD_Tech_4_home_use-TABLE.pdf | ||
9/11 | Additional information: “Impedance Matching Transformers for Ribbon Speakers" | Angel Rivera | Impedance Angel Rivera - Rivera_Updates_AX_9-11.pdf ImpedanceMatchingExamples.zip |
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8/11 | ECC99 Excel spreadsheet too: "Designing Amps for Maximum Linearity with the ECC99" | Rudy Godmaire | ecc99designer.xls | ||
2010 |
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9/10 | Clean Sound from the Drainpipe 8 from Popular Electronics, June 1962 | David Weems | Weems Drainpip 8.pdf | ||
8/10 | Additional Figures: "The Metz Preamp" | Reinhard Metz | Main board layout.jpg Control and switch board.jpg LED board.jpg Preamp firmware high-level flowchart.jpg |
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6/10 | PCB patters used to contruct the crossover filters, and parts placement: "A Three-Way Tri-Amp Center-Channel System" | Andreas Schilloff | Schilloff PCB files.zip | ||
3/10 | XLS files: "A Power Supply Spreadsheet" | Paul J. Stamler | PowerSupply60Hz.xls PowerSupply50Hz.xls |
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2009 |
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11/09 | Color Figures (Fig. 4-6): "Distortion Meter" | Ed Simon | Simon3126_fig4.jpg Simon3126_fig5.jpg Simon3126_fig6.jpg |
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11/09 | Audio tracks: "The Essex Echo: Audio According to Hawksford, Pt. 1" | Jan Didden | Hawksford Jitter Tracks.zip | ||
10/09 | Datasheet: "paX Protection System, Part 3" | Jan Didden | Didden3123 Datashhet.pdf | ||
9/09 | paX Amplifier Construction Guide: "paX, Part 2" | Jan Didden | Didden3038 Guide.pdf | ||
8/09 | Circuit boards: "Maintaining Your Balance, Part 2" | Thomas M. Perazella | Perazella3083 Figure 2.pdf Perazella3083 Figure 3.pdf Perazella3083 Figure 4.pdf Perazella3083 Figure 5.pdf |
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7/09 | Rebuilding a Cheap Chinese EL84 Amp | Merlin Blencowe | Blencowe2996.pdf | ||
7/09 | Feedback loop set up: "Setting Feedback On the Mullard 20" | Pierre Touzelet | Feedback loop set up on the Mullard 20 W.doc | ||
6/09 | Design and Measurement Of a Dipole Microphone | Mark Williamsen | Williamson3063.pdf Measurement Tips | ||
5/09 | ezDAC | Claudio Negro | Negro3051.pdf | ||
4/09 | Modding the Music Hall CD25.2 CD Player | Kit Ryan | Ryan3050.pdf | ||
3/09 | Excel application for calculation of Vg1T/U : "Vg1 Correlations" | Rudy Godmaire | Vg1 Correlations.xls | ||
2/09 | A De-Emphasis Test CD | Gary Galo | Galo3025.pdf | ||
2/09 | Noise Measurements of the LSK389B Dual JFET | Dennis Colin | Colin2993.pdf | ||
1/09 | Tri-Way PC boards and parts list: "Tri-Way Low Voltage Supply Part 1" | Paul J. Stamler | stamler3006_fig4a.pdf stamler3006_fig4b.pdf Tri Way Worked Examples Parts lists.xls |
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1/09 | Show Reports: The Munich Hi-End Show 2008, The Rocky Mountain Audio Fest, Burning Amplifier 2008 | Jan Didden | Didden_Munich.pdf Didden_RMAF.pdf Didden_BAF.pdf |
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2008 |
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12/08 | Printed circuit boards: "An Automated Level Control" | J.R. Laughlin | PCB_1.pdf PCB_2.pdf PCB_3.pdf PCB_4.pdf |
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10/08 | Figures 3 & 4: "A Beginner 6BQ5 SE Amp" | Rick Spencer | Spencer2957_fig3.pdf Spencer2957_fig4.pdf |
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10/08 | An Isolation Transformer, Part 3 | Ed Simon | Simon2945.pdf | ||
10/08 | Testing Loudspeaker: Which Measurements Matter, Part 1 | Joseph D’Appolito | D'Appolito2960.pdf | ||
9/08 | Testing Loudspeakers: Which Measurements Matter, Part 1 | Joseph D’Appolito | D'Appolito2959.pdf | ||
9/08 | More Box, Less Sawdust | Mark Rumreich | Rumreich2964.pdf | ||
9/08 | A Line-Cleaning Filter, Part 2 | Ed Simon | Simon2944.pdf | ||
8/08 | An On-Peak Power Supply, Part 1 | Ed Simon | Simon2943.pdf | ||
7/08 | A Belt-Drive Turntable Upgrade | Gary Galo | Galo2931.pdf | ||
7/08 | A Graphical Evaluation of Harmonic Distortion in Valves | Pierre Touzelet | Touzelet2917.pdf | ||
6/08 | A Multiple "Wall-Wart" Power Supply | Ron Tipton | Tipton2926.pdf | ||
6/08 | Is SACD Doomed? | Gary Galo | Galo2941.pdf | ||
5/08 | Valve (Tube) Regulated Power Supplies | Terry Bicknell | Bicknell2890.pdf | ||
5/08 | The Sidewoofer Line Array | Ken Bird | Bird2483.pdf | ||
5/08 | The Mighty Midget | Pete Millet | Millet2903.pdf | ||
4/08 | Horn Theory: An Introduction, Part 2 | Bjørn Kolbrek | Kolbrek2885.pdf | ||
4/08 | Everything You Wanted to Know About SPL Meters | Ethan Winer | Winer2901.pdf | ||
3/08 | Soldering: A Tutorial | Ed Simon | Simon2894.pdf | ||
3/08 | Horn Theory: An Introduction, Part 1 | Bjørn Kolbrek | Kolbrek2884.pdf | ||
3/08 | Figure 12: "The Noise (Analysis) Machine" | Jack Walton | Walton2905_fig12.pdf | ||
3/08 | Circuit Board Basics: "Amp6" | J.R. Laughlin | Laughlin2887cb.pdf | ||
2/08 | AES Multi-Tracks in New York 2007, Part 1 | David J. Weinberg | Weinberg2906.pdf | ||
1/08 | In Praise of Wall Warts | Paul J. Stamler | Stamler2874.pdf | ||
1/08 | A Hybrid High-Fidelity Power Amplifier | Bill Christie | Christie_fig4.pdf Christie_fig5.pdf |