Industry Events

audioXpress Supplementary Material

Supplemental Material (previously available on CD): Loudspeaker Design Cookbook
Issue Article Author File(s)


4/15 Playing with Ambisonics Ron Tipton
4/15 Construct a Wall Wart Power Supply Larry Cicchinelli
4/15 Benchmark AHB2 Stereo
Power Amplifier
Gary Galo
3/15 The 5.1 Alternative from Digital Theater Systems Ron Tipton Tipton-AX-Mar15-A
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
1/15 MOD 102 Guitar Tube Amplifier Kit: Ready-to-Build Tube Sound Elektor.Labs


12/14 The Continuing Quest for Realistic Recorded Sound Reproduction Ron Tipton
11/14 Build a Powerful Tube Amplifier Gerhard Haas
8/14 Audio Spectrum Display Design Larry Cicchinelli
6/14 Build an FM-Stereo Generator George Adamidis


8/12 A 50-W BJT Stereo Amplifier Sam Dulaney
8/12 "PI" Design - A DIY Pre-Amplifier Interface Robert Nance Dee
5/12 An Audiophile's Battery Tube Amp - supplemental information Robert Nance Dee
4/12 Hybrid Electrostatic Loudspeakers Constructed with a Twist Charlie Mimbs
2/12 The 5002 Project - supplemental information Robert Nance Dee


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
8/11 ECC99 Excel spreadsheet too: "Designing Amps for Maximum Linearity with the ECC99" Rudy Godmaire ecc99designer.xls


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
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
3/10 XLS files: "A Power Supply Spreadsheet" Paul J. Stamler PowerSupply60Hz.xls


11/09 Color Figures (Fig. 4-6): "Distortion Meter" Ed Simon Simon3126_fig4.jpg
11/09 Audio tracks: "The Essex Echo: Audio According to Hawksford, Pt. 1" Jan Didden Hawksford Jitter
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
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
Tri Way Worked Examples Parts lists.xls
1/09 Show Reports: The Munich Hi-End Show 2008, The Rocky Mountain Audio Fest, Burning Amplifier 2008 Jan Didden Didden_Munich.pdf


12/08 Printed circuit boards: "An Automated Level Control" J.R. Laughlin PCB_1.pdf
10/08 Figures 3 & 4: "A Beginner 6BQ5 SE Amp" Rick Spencer Spencer2957_fig3.pdf
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
To request materials from 2007 and beyond, please contact customer service.
192 kHz 24-bit 3-D 4K 64-bit 96kHz AAC acoustic acoustics acquisition active active monitors AES AES137 AES67 AirPlay ALC NetworX algorithm Allen & Heath amplifier amplifiers Android anniversary Antelope Audio AoIP app Apple aptx Arturia Audinate audio Audio Engineering Society audio interface Audio Interfaces audio networking Audio Precision audio streaming audio-over-IP Audio-Technica audiophile audioXpress audioXpress archive audioXpress Issues AV AVB Avid award balanced bass Bluetooth book Bose broadcast calibration CEA CEDIA CES CES 2015 CES2015 channel China cinema circuit Class D Class-D codec coil communications condenser conference console control control surface convention crossover Crossword CSR Cubase DAC dance Dante DAW dbx dc design development DiGiCo Digigram digital distribution DIY DIY project Dolby Dolby Atmos driver drivers DSD DSP DTS effects electronics engineer engineering eq ethernet event Events filter FLAC Focusrite FPGA frequency Futuresource Genelec harman HDBaseT headphone headphone amplifier Headphones high resolution audio home theater HRA IBC2014 IEEE 802.1 AVB immersive audio impedance in-ear industry InfoComm innovation installation instrument Intel intercom interface Interview ion ios iPad iPhone ISE 2015 isolation JBL Professional Jensen Klippel Klipsch live sound Los Angeles loudness loudspeaker loudspeakers Mac OS X Mackie MADI market research Master Quality Authenticated mastering measurement measurement microphone measurement microphones Merging Technologies Meridian Audio meter Meyer Sound mic microphone microphones MIDI midrange mixer mixing modulation monitor monitoring MPEG-H Audio multichannel multitrack multizone music music streaming NAMM 2015 neodymium network networking noise NTi Audio Nugen Audio OEM Panasonic passive PC PCB Piezotronics Philips PLASA plug-in plug-ins portable portable recorders portable speakers postproduction power Powersoft pre-amp preamplifier PreSonus Pro Tools product product design professional puzzle QSC Radial radio Ravenna record recorder recording reference remote control resolution reverb Roland semiconductor Sennheiser Shure signal processing smartphone smartphones software Solid State Logic Sonos Sony sound soundbar soundbars speaker Speakers spectrum spectrum analyzer SPL Spotify Connect Steinberg stereo streaming studio studio monitors subwoofer subwoofers Summer NAMM surround surround sound synthesizer tablet technology test test and measurement theater Thunderbolt trade show transducer transformer tube tube amplifier tubes tweeter Universal Audio update USB voice voice coil Voice Coil Issues VoIP waveguide Wi-Fi wifi windows wireless wireless audio Wireless Speakers WiSA woofer XLR Yamaha
The Audio Voice - Sign Up
Current Issues