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AUDIO AMATEUR BACK ISSUES

audioXpress 2007

audioXpress January 2007

  • "A Combination Horn You Can Build"
  • "The Cathode Follower and Its Weaker Siblings"
  • "Grounding and System Interfacing"
  • "A Flexible Subwoofer Amplifier, Pt 1"
  • "A Unique Crossover Design with Waveform Fidelity"
  • "Low-Level Analog Switching"
  • Book Review, The Art of Linear Electronics

audioXpress February 2007

  • "The Tuba HT"
  • "Transferring LPs to DVDs in High Resolution"
  • "How Loud Is Real?"
  • "A Wide-Range Audio Sweep Oscillator"
  • "aX Visits Indonesia's High-End Audiophiles"
  • "A Flexible Subwoofer Amplifier, Pt 2"
  • Product Review, Parasound Zamp V.3 Zone Amplifier
  • Book Review, High Performance Loudspeakers
  • "The Rocky Mountain Audio Fest"

audioXpress March 2007

  • "A Flexible Subwoofer Amplifier, Pt 3"
  • "Amplifier War and Peace"
  • "Speech Intelligibility, Pt 1"
  • "An Audio Isolation Box"
  • "TABAQ: Tang Band Quarter Wave"
  • "A Prototyping System for Passive Crossovers"
  • Product Review, Terk VF-1 TV Volume Regulator
  • Product Review, PNF Audio Cables
  • Special Report, "Audio in the Airport"

audioXpress April 2007

  • Product Review, The Sound Strobe
  • "Sources 101: Audio Current Regulator Tests for High Performance, Pt 1: Basics of Operation"
  • "Building a Center Channel for an Altec A7-800"
  • "A Low-Noise Measurement Preamp"
  • "Speech Intelligibility, Pt 2"
  • "A Flexible Subwoofer Amplifier, Pt 4"
  • "Denoising a Vanilla Preamp"
  • Audio Aid, "Build This Six-Transistor Low-Noise MC Preamp"

audioXpress May 2007

  • "Sources 101: Audio Current Regulator Tests for High Performance, Pt 2: Precise High Current/Voltage Operation"
  • "We Visit Mundorf"
  • "A Versatile Line Amp for Preamp, Headphone, and Power Use"
  • "Heathkit W-7M Rebuild"
  • Product Review, Tube Imp Mini Tester
  • "An Improved Method of Finding Vacuum Tube Model Parameters"
  • Audio Aid,"Greek Gifts: Amplifiers from Athens"
  • "Cakepan Chassis"
  • "Speech Intelligibility, Pt 3"
  • Product Review, Revue du Son Test CD Number 17

audioXpress June 2007

  • "An A-B-I Switch"
  • "Radio Shack Sound Level Meter Characteristics"
  • Product Review, Monarchy Audio M24 DAC and Tube Line Amp
  • "Shunt Regulator: The Forgotten Circuit"
  • "Casting Replacement Parts"
  • Product Review, Three New Prototyping Boards
  • "Testing Amp Peak Power at the RMAF"
  • "Iso-Bass: A Subwoofer Isolation Transformer"
  • Audio Aid, "Build a Two-Transistor MC Step-Up"

audioXpress July 2007

  • Editorial, "Music Inside the Brain"
  • "IC Preampwith Electronic Level and Selector"
  • "The Gamp"
  • "High End 120W MOSFET IC Driven Amp"
  • "MATAA: A Free Computer-Based Audio Analysis System"
  • Product Review, Hi-Fi Critic Magazine

audioXpress August 2007

  • Guest Editorial, "The Silent Information Revolution";
  • "Analog Bass Control for Magnepans"
  • "Matteo: A 10W Integrated Amplifier"
  • "Tweaking the Passive Inverse RIAA Network"
  • "Calibration of the Hickok 539C Tester"
  • "Cascoding National's LM 12 for 140W"
  • "Optimum Stages for Minimal Distortion"

audioXpress September 2007

  • "The LP 797 Ultra-Low Distortion Phono Preamp"
  • "Simple Approximations of Tube Anode Characteristics"
  • "The Kiss Bass Projects"
  • "The Tuba 24 II"
  • "More on the Sound Strobe"
  • "Solder Turrets"
  • Excerpt from A Brief History of Bendix Red Bank Tubes

audioXpress October 2007

  • "A Hybrid Valve MOSFET SE Amp, Pt 1"
  • "Coil Clinic"
  • "Hideaway TL Sub Revisited"
  • "A Loudness-Compensated Level Control Stage"
  • "The Six Tee Nine Tube Amp"
  • "Sounds and Hearing, Pt 1"
  • Product Review, Monarchy Audio M24 DAC"
  • Audio Aid, "The Many Uses of a Hybrid Van Scoyoc Circuit"

audioXpress November 2007

  • Editorial, "Paper vs. Screens?"
  • "A Mains Analyzer--How Clean Is Your Juice?, Pt 1"
  • "Frequency Delay Dispersion"
  • "A Single-Ended Class A Hybrid Amp, Pt 2"
  • "Sounds and Hearing, Pt 2"
  • "Intrinsic Fidelity Testing"
  • Product Review Update, Tube Imp
  • Audio Aid, "Build a New Tone-Control Circuit"
  • Classic Circuitry: Greek Style

audioXpress December 2007

  • "An Excellent DIY Basshorn"
  • "A Home Theater Preamp"
  • "The 'Amplibass' Control"
  • "Testing Panasonic's WM-61A Mike Cartridge"
  • "A Mains Analyzer--How Clean Is Your Juice?, Pt 2"
  • 2007 Article/Author Index
  • "A Greek Baroque System"

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audioXpress 2006 Back Issues

audioXpress January 2006

  • "Universal Output Transformer for Guitar Amplifiers"
  • "The Power JFET Amplifier"
  • "A Phono Prepreamp for the (SA)CD Age, Pt 3"
  • "Lowering a Loudspeaker's Mechanical Noise Floor, Pt 1"
  • Product Review, Sound Pax Speaker System

audioXpress February 2006

  • "Clamped Bias, ABS, RC Coupled Amp"
  • "David: The Giant Killer"
  • "An IM Signal Generator Upgrade"
  • "Dynaco 400 Assimilation"<
  • "Lowering a Loudspeaker's Mechanical Noise Floor, Pt 2"
  • Product Review, Selectronic Profet Amp
  • "A Purist Recording Mixer"

audioXpress March 2006

  • "Upgrading Heath's W6 Power Amp"
  • "Loading Step-Up Transformers for MC Cartridges"
  • "The Sound Strobe"
  • Product Review, Ed Frias EFE Kit by Speaker City
  • Product Review, Peerless/Morel Mini-Monitors
  • Product Review,Dayton Euro Series Monitor
  • Product Review, Testing the Parts Express Dayton Euro Loudspeaker Kit
  • Product Review, NAD L53 Receiver

audioXpress April 2006

  • "Driver Interference and Display Techniques, Pt 1"
  • "A Solid-State Single-Ended Power Amp"
  • "Mighty Mouse: A PP 25L6 Amplifier"
  • "Stands for Tiny Speakers"
  • "Switchable Gain Booster Amplifier"
  • Product Review, Testing the Ed Frias EFE Loudspeaker Kit
  • "Alan Watling--A Tribute"

audioXpress May 2006

  • "Zen Variations #9"
  • "POOGE For eBay Test Gear"
  • "A Snail Tail Subwoofer"
  • "Renovating the Scott 222C, Pt 1"
  • "Rehabilitating Cathode Followers"
  • "6AS7 Current-Balanced Push-Pull Amplifier"
  • "Driver Interference and Display Techniques, Pt 2"
  • Product Review, Tejera Microsystems' Recording Studio Test CD

audioXpress June 2006

  • "Mad Katy, Pt 1",
  • "The Table Tuba"
  • "A First-Rate Audio Test Instrument, Pt 1"
  • "Servo Subwoofer Design Revisited"
  • "A Balanced Non-Oversampling Retro DAC"
  • "Renovating the Scott 222C, Pt 2"
  • Book Review, Mastering Audio: The Art and The Science
  • "We Interview Peter Bartok"

audioXpress July 2006

  • "The Hideaway TL Sub"
  • "Renovating the Scott 222C, Pt 3"
  • "An Improved Split-Load Phase Inverter"
  • "Upgrading a Unique Stereo Column System"
  • "A First-Rate Audio Test Instrument, Pt 2"
  • "Mad Katy, Pt 2"
  • "Show Report from the Netherlands"

audioXpress August 2006

  • "The DR280"
  • "Tuono: PP PL504 Amplifier"
  • "Greening of the Behringer Ultra-Drive Pro DCX2496"
  • "Equalize the Bass Response of Your Room"
  • "Renovating the Scott 222C, Pt 4"
  • Product Review, Outlaw Model 200

audioXpress September 2006

  • "An Audiophile-Grade Tube Preamp"
  • "Neonoir: A Ported Two-Way"
  • "A Head Amp for Very Low Impedance Moving Coil Cartridges"
  • "A Tube-Based Power Solid-State Amp"
  • "Adcom GFP-555 Preamp Upgrade"
  • "Output Tube Alternatives to the 7189"

audioXpress October 2006

  • "A Balanced Amplifier for Moving Magnet Cartridges"
  • "High-Quality Stepped Attenuators for Less"
  • "Auri: A Double Chamber Reflex Speaker"
  • "Distortion Isolation in the Time Domain"
  • "DVD Is Audiophile Grade...But Check the Fine Print"
  • "How to Judge Speaker Quality with Listening Tests"
  • Product Review, Inside the ISO MAX

audioXpress November 2006

  • Editorial,"Undernourished Ears"
  • "Precise dB Monitoring with Eye Tubes"
  • "The Venue Loudspeaker"
  • "A Phase Meter Calibrator"
  • "Two SE Power Amps: Triode or Ultralinear"
  • "Build a Flat Panel Speaker"
  • "Improving the Cross-Coupled Inverter"
  • Audio Aid,"Build a One Transistor MC Step-Up"

audioxpress December 2006

  • "Simple Servo Sub100/120 Modification"
  • "A FET Standby Switch for Tube Amps"
  • "Improved Power MOSFET Protection Circuit"
  • &qpot;A Quick and Cheap Rack System"
  • 2006 aX Article Index
  • "Sonic Shakedown"
  • Product Review, Installer Car Stereo Installation Software

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audioXpress 2005 Back Issues

audioXpress January 2005

  • "The Tuba 18 Sub"
  • "Vintage Glass--Dutch Schematics"
  • "Balance Control for the Hafler DH-200"
  • "The Kleinhorn, Pt 1"
  • "Noise Meter Amp"
  • Product Review, A Matter of Coincidence CD & Boston Audio Society CD
  • Xpress Mail
  • Book Review, Inside the Vacuum Tube
  • Classifieds
  • Ad Index
  • Yard Sale
  • "Passive Preamp: Transformer Implemented"

audioXpress February 2005
(available on CD only)

  • "A Study System, Pt 1"
  • "Driver Parameter Assessment"
  • "Transconductance Tube Tester Test Standard"
  • "Replacing the Klipschorn Tweeter"
  • "A Shock Hazard Tester"
  • "Transformers"
  • Product Review, DH Labs Cables
  • Book Review, Speaker Building 201
  • Book Review, The Artful Solderer
  • Xpress Mail
  • Classifieds
  • Ad Index
  • Yard Sale
  • "High-End Preamp, Pt 1"

audioXpress March 2005

  • "Starter Kit Series: EB604/410 All-JFET Line Amp"
  • "A Minimalist Amplifier Design"
  • "Current Source Crossover Filters"
  • "Music Library Preamp"
  • "Simple Audio System, Pt 2"
  • Product Review, Vifa/Dayton Aluminum MTM Kit
  • Xpress Mail
  • "High-End Preamp, Pt 2"
  • Classifieds
  • Ad Index
  • Yard Sale

audioXpress April 2005

  • "Single-Ended 'E-Linear' Power Amplifier"
  • "Hybrid Tube/MOSFET Headphone Amplifier"
  • "TLAH: Transmission Line Array Horn"
  • "Simple Audio System, Pt 3"
  • "Rescuing Fluke's Top Digital Meter Cheaply"
  • "Why Speakers Have Slanted Fronts"
  • Software Review, Groove Mechanic 2.5c
  • Xpress Mail
  • Product Review, Parts Express MTM Kit: Listening & Measurements
  • Classifieds
  • Ad Index
  • Yard Sale
  • "NTSC Video Fulfilled"

audioXpress May 2005

  • Editorial, "Glass Redux"
  • "The Acoustic Trangulators"
  • "Capacitor Bypass: Proceed Carefully"
  • "6336-A-Based All Triode PP Amp"
  • "Reducing Filamentary Triode Amp Distortion"
  • "The Many Faces of Distortion"
  • "MU: The Last Tube Factory in America"
  • Xpress Mail
  • Classifieds
  • Ad Index
  • Yard Sale
  • "DC-Coupled Video Sound"
  • Audio News


audioXpress June 2005

  • "Electrostatic Loudspeaker Basics, Pt 1"
  • "Starter Kit Series: All-JFET MM/MC Phono Preamp, Pt 1"
  • "Pentode Petite "
  • "Load Impedance and Stepped Attenuators"
  • "Tube Audio Construction Tips, Pt 5"
  • Book Review, Smart Home Hacks
  • Xpress Mail
  • Classifieds
  • Ad Index
  • Yard Sale
  • "Diffraction Doesn't Have to Be a Problem"

audioXpress July 2005

  • "The Wedgehorn "
  • "Starter Kit Series: All-JFET MM/MC Phono Preamp, Pt 2"
  • "Isolator Tube Interface for Computers"
  • "Electrostatic Loudspeaker Basics, Pt 2"
  • "Tube Audio Construction Tips, Pt 6: A Coil Winder"
  • "USB Audio: PC Sound Amp"
  • Xpress Mail
  • Classifieds
  • Ad Index
  • Yard Sale

audioXpress August 2005

  • "Vintage Dynaco SCA 80"
  • "Budget EMI Filter"
  • "Speaker Damping"
  • "A Full-Bridge Output Amp"
  • "Five Speaker Myths Undone"
  • Xpress Mail
  • Classifieds
  • Ad Index
  • Yard Sale
  • "Three Audio Editing Software Programs"

audioXpress September 2005

  • "Stereo Subs for the Swans M1"
  • "Crowhurst's Twin-Coupled Amp Revisited"
  • "Odds & Evens Revisited"
  • "Dynamic Microphone Soundcard Amplifier"
  • Ask aX, "Phono Switch"
  • Ask aX, "Test Equipment"
  • Classifieds
  • Ad Index
  • Yard Sale
  • "All FET Class-A 75W Amplifier"

audioXpress October 2005

  • "Digital Amplifiers"
  • "Omega Quarterwave Reflex"
  • "Design a High-Performance Valve-Based Line Amp"
  • "First Watt F1 Power Amplifier Service Manual"
  • "The DR300"
  • "A 120W Bridged Chip Amp"
  • Xpress Mail
  • Calendar
  • Classifieds
  • Ad Index
  • Yard Sale
  • Symposium,"Topology, Measurements, and Screen Taps"

audioXpress November 2005

  • "A Phono Prepreamp for the (SA)CD Age, Pt 1"
  • "A Unique Stereo Column System"
  • "Push-Pull for Single-Ended 211 Amp"
  • "High-Quality Solid-State Headphone Amp"
  • "House Music? "
  • "Musical Waveform Peak and Average Power Frequency Distributions"
  • Xpress Mail
  • Audio News
  • Classifieds
  • Ad Index
  • Yard Sale

audioXpress December 2005

  • "The PLH Amplifier"
  • "The Short Line Array"
  • "Junk Box Tube Amp Jubilee"
  • "Phono Prepreamp for the (SA)CD Age, Pt 2"
  • Xpress Mail
  • Product Review, NAD L53 DVD/CD Stereo Receiver
  • Classifieds
  • Ad Index
  • Yard Sale
  • 2005 Article Index

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audioXpress 2004 Back Issues

audioXpress January 2004

  • Guest Editorial, "Surround Sound Flawed"
  • "Practical MOSFET Testing for Audio"
  • "The DR250 Horn"
  • "Canto Sirena, Pt 1"
  • "Adcom's GFP-565 Preamplifier, Pt 3"
  • "Why Speakers Have Slanted Fronts"
  • Product Review, Thorens TD 295 MK III
  • Xpress Mail
  • Book Review, Inside the Vacuum Tube
  • Classifieds
  • Ad Index
  • Yard Sale

audioXpress February 2004

  • "A Low-Mu Triode Preamp"
  • "The J-Low Project"
  • "Rebuilding a Classic: McIntosh MC2100"
  • "Adcom's GFP-565 Preamplifier, Pt 4"
  • "Listening to Galo's Modified Adcom GFP-565"
  • "Canto Sirena, Pt 2"
  • "Why Speakers Have Slanted Fronts, Pt 3"
  • Product Review, Usher CP8871
  • Xpress Mail
  • Classifieds
  • Ad Index
  • Yard Sale

audioXpress March 2004

  • Obituary, "Peter Walker, 1916-2003"
  • "A 1 PPM IM Distortion Analyzer"
  • "An 8W 2E24 SE Amp"
  • "Amplifier Musicality"
  • "Frykleaner: An Audio Burn-In Generator"
  • "Against the Wall: An Upgrade"
  • "Why Speakers Have Slanted Fronts, Pt 4"
  • Book Review, Producing in the Home Studio with Pro Tools
  • Software Review, Virtos Noise Wizard
  • New Chips on the Block, Bicron Transformers and Burr-Brown DSD1700 DAC
  • Xpress Mail
  • Classifieds
  • Ad Index
  • Yard Sale
  • Showcase, "A Bulgarian Builds a Spencer Amp"

audioXpress April 2004

  • Audio News
  • "A Mini SE Amp"
  • "A Bridge Adapter"
  • "An Experimental Throat Module"
  • "Borbely-Clow Super Buffer"
  • "The Tuba 24 Horn"
  • "Tube Audio Construction Tips, Pt 1"
  • New Chips on the Block, Analog Devices AD5241/2 and Wolfson WM8816 & WM8722
  • Product Review, Alesis ML-9600 Mastering Recorder
  • Book Review, Audio Transducers
  • Book Review, Op Amp Applications
  • Ask aX, "Formula Search"
  • Xpress Mail
  • Showcase, "A Dutch Tube Amp"
  • Classifieds
  • Ad Index

audioXpress May 2004

  • Obituary, "Remembering Ken Wilkinson"
  • "Zen Variations 6: Son of Zen Gets Xploited"
  • "Tube Audio Construction Tips, Pt 2: Sockets"
  • "Vented 8" Driver Subwoofer, Pt 1"
  • "A Bottom Octave Compensator"
  • "Build a Universal PC Sound Amplifier"
  • "Minimal Reactance Power Supply"
  • Product Review, Speaker Cables
  • Xpress Mail
  • Classifieds
  • Ad Index
  • Yard Sale
  • Audio Aid, "BNC Jack Positioner"

audioXpress June 2004

  • "Zen Variations 7: More Fun with Son of Zen and Super-Symmetry"
  • "A Dipole Midbass, Pt 1"
  • "35W Triode and 60W Ultralinear Control Amp"
  • "KT88 Hybrid PP Stereo Power Amp"
  • "Vented 8" Driver Subwoofer, Pt 2"
  • "Tube Audio Construction Tips, Pt 3: Metalwork"
  • Product Review, DACT CT 100 RIAA Preamp
  • Xpress Mail
  • Classifieds
  • Ad Index
  • Yard Sale
  • Audio Aid, "High Current-Regulated Heater Supplies"

audioXpress July 2004

  • Obituary, Robert M. Bullock III
  • "A High Quality MM IC Preamp"
  • "A Battery-Powered Class A Headphone Amp"
  • "High-Power SE 6C33C Amp"
  • "A Dipole Midbass, Pt 2"
  • "Vented 8" Driver Subwoofer, Pt 3"
  • "Tube Audio Construction Tips, Pt 4: Transformers"
  • Product Review, Audio Interconnects
  • Listening Tests, Kimber and Supra Interconnects
  • Xpress Mail
  • Book Review, Mastering Audio
  • Classifieds
  • Ad Index
  • Yard Sale
  • Classic Circuitry, Haynes Duophase 14W Amplifier (1934)

audioXpress August 2004

  • Editorial, "Where Credit is Due"
  • "Room Correction, Pt 1"
  • "Norman Crowhurst's Twin Coupled Amp…and Beyond"
  • "The DR200 Horn"
  • "Dual Audio Amps for Biamped Designs"
  • "The 'MCUTracer,' Pt 1"
  • "Modifying Dynaco's SCA-35"
  • Product Review, Selectronic Triphon II Crossover & Quad Amplifier
  • Listening Tests, Triphon Electronic Crossover
  • Xpress Mail
  • Classifieds
  • Ad Index
  • Yard Sale

audioXpress September 2004

  • "12" Dual Voice Coil Servo Subwoofer System"
  • "Saga of a Tube OTL Amp"
  • "Filament and High Voltage Power"
  • "Room Correction, Pt 2"
  • Product Review, Selectronic GRAND MOS Silver Design Amplifier
  • Listening Tests, Selectronic Triphon II Quad Amplifier
  • New Chips on the Block, The Silonex Audiohm
  • Book Review, Sound Recording Advice
  • Xpress Mail
  • Classifieds
  • Ad Index
  • Yard Sale
  • "The 'MCUTracer,' Pt 2"

audioXpress October 2004

  • "Current Source Amps and Sensitive/Full-Range Drivers"
  • "Musicality and Distortion: A Conversation"
  • "The Adventure Begins," a preview of Speaker Building 201
  • "High-Quality Tube Type Control Unit"
  • "Room Correction, Pt 3"
  • Xpress Mail
  • Showcase, "A 70W McIntosh Amp"
  • Classifieds
  • Ad Index
  • Yard Sale
  • "Audio-Optical Isolation Amp"

audioXpress November 2004

  • "The MaxxBass Subwoofer"
  • "The Double-Dipole Subwoofer"
  • "Why Power Tubes Arc"
  • "Room Correction, Pt 4"
  • Product Review, Pioneer DV-563A Universal A/V Player
  • Listening Audition, Pioneer DV-563A Universal A/V Player
  • Classifieds
  • Ad Index
  • Yard Sale
  • Xpress Mail
  • "Line Stage Odyssey Continues"

audioXpress December 2004

  • "Single-Ended to Differential Mode Made Easy"
  • "H.V. Differential Amplifier"
  • "GFP-565 Preamp Follow-Up Mod"
  • "The Galo-Modified GFP-565 Preamps-A Sonic Evaluation"
  • "Rebuilding a Classic: Heath's W-5M"
  • "Sonic Comparison of Power Amplifier Output vs. Input"
  • New Chips on the Block, D2Audio Class D Audio Modules
  • 2004 Index
  • Xpress Mail
  • Classifieds
  • Ad Index
  • Yard Sale
  • "Remaking Tang Band's W3-881S"

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audioXpress 2003 Back Issues

audioXpress January 2003

  • Audio News
  • "The LP Terminator"
  • "The DR15A Horn"
  • "Direct Heaters: A Guided Tour"
  • "Easy Layouts and Other CAD Tricks"
  • "The Zero Autoformer"
  • "A De-Emphasis Fix for the D2D-1"
  • "High GM Smart Power Tubes, Pt 3"
  • Product Review, Monarchy DIP Upsampler
  • Xpress Mail
  • Classifieds
  • Ad Index
  • Yard Sale
  • Tools, Tips, & Techniques, "Quick Desoldering"

audioXpress February 2003

  • Audio News
  • "A 6-Channel Volume/Balance Control"
  • "Acoustic Diffraction: Does It Matter?"
  • "Odyssey of a Line Stage, Pt 1"
  • "Upgrade Rotel's 970BX CD Player"
  • "JJ Electronics' ECC99: A New Power Triode Driver"
  • "Optimizing Frequency Response in the Bass Range"
  • "Inductive RIAA Compensation"
  • Product Review, Listening Critique, & Test Report, Building Adire's HE10.1 High Efficiency Coaxial
  • Product Review & Listening Critique, Behringer DSP8024
  • Xpress Mail
  • Classifieds
  • Ad Index
  • Yard Sale
  • Vintage Glass, "Neglected Power Tube"

audioXpress March 2003

  • "A Small Reflex TL"
  • "A Digital POOGE for HP's 339A Test Set"
  • "Odyssey of a Line Stage, Pt 2"
  • "Bass in Small Places"
  • "Passive Phono Preamps: Design Constraints"
  • "Techniques and Gadgets for Audio Experimenters"
  • Product Review, Beyond Thiele/Small-Dumax and Klippel Driver Measurement Systems
  • Product Review, Constructing the SEAS Froy MK.3
  • Xpress Mail
  • Classifieds
  • Ad Index
  • Yard Sale
  • Audio Aid, "A Balanced Op-Amp Driver"

audioXpress April 2003

  • "Build a Plasma Tweeter"
  • "Capacitor ESR Tester-The Good, The Bad, and The Leaky"
  • "A Hybrid Stereo $90 Control"
  • "A 6AS7/6080 Circlotron Amp"
  • "Make a Panel-Cutting Jig"
  • Product Review & Listening Critique, Budget Phono Preamps
  • Product Review & Listening Critique, Testing the SEAS Froy MK3
  • Xpress Mail
  • Book Review, Master Handbook of Acoustics 4th ed.
  • Audio Aid, "A 1¢ Diffraction Detector"
  • Classifieds
  • Ad Index
  • Yard Sale
  • Audio Aid, "Current-Regulated Heater Supplies"

audioXpress May 2003

  • "The SPP Amplifier"
  • "A MOSFET Update of the Forte 1A Amplifier, Pt 1"
  • "Budget Milliohmmeter Bridge"
  • "The Legend of El Pipe-O"
  • "Simple Satellites, Pt 1"
  • "Disposable Camera = Tube Power"
  • "Audio Uses of Transformers"
  • Showcase, "A Headphone Amp"
  • Xpress Mail
  • New Chips on the Block, AKM AK4363 and AK4364
  • Book Review, Loudspeaker and Headphone Handbook
  • Classifieds
  • Ad Index
  • Yard Sale
  • Vintage Glass, "Merit Output Transformer"

audioXpress June 2003

  • Guest Editorial, "Detrashing Television"
  • "An Affordable Full-Range Speaker Project"
  • "60W Triode/100W UL Control Amplifier"
  • "Digital Measurements of the Thiele/Small Parameters"
  • "An SE Class A Headphone Amp"
  • "A Tube Preamp for Computer Soundcards"
  • "Simple Satellites, Pt 2"
  • "A MOSFET Update of the Forte 1A Amplifier, Pt 2"
  • Xpress Mail
  • Classifieds
  • Ad Index
  • Yard Sale
  • New Chips on the Block, AK4358

audioXpress July 2003

  • Audio News
  • "Hybrid Solid-State Power Amplifiers"
  • "The DR5 Horn"
  • "The DC Revenge E182CC Amplifier"
  • "Acoustical Shrinkage of Large Into Small Rooms"
  • "Line-Transformer-Driven SV300B SE Amplifier"
  • "Faster, Straighter, Nicer"
  • "Amplification Without Distortion, Recreating a 1920s Amplifier"
  • Product Review & Listening Critique, Marchand PM48 Computer Amp
  • Xpress Mail
  • Classifieds
  • Ad Index
  • Yard Sale
  • Book Review, Opamps For Everyone

audioXpress August 2003

  • "A Simple, High Quality AM Tube Receiver"
  • "Extending the 30" Tractrix Horn"
  • "Improving Dynaco's FM-5 and AF-6 Tuners"
  • "Alpha Transmission Lines"
  • "System Power Control"
  • "Build a Reactive Load"
  • "Care and Maintenance of Dukane Ionovac Tweeters"
  • Xpress Mail
  • Classifieds
  • Ad Index
  • Yard Sale
  • New Chips on the Block, AKM AK4395 and AK4552

audioXpress September 2003

  • "Matt's Big Class A Amplifier"
  • "Tube-Based Crossovers"
  • "A Center Channel Speaker: A Different Approach"
  • "DC Protection and Switch-On Delay for Power Amps"
  • "The ABCs of Filters, Pt 1"
  • "An Unorthodox Two-Way, Pt 1"
  • "Phase Inverter Design"
  • Xpress Mail
  • Book Review, Pro Audio Reference
  • Showcase, "Building Rozenblit's 80W OTL"
  • Classifieds
  • Ad Index
  • Yard Sale
  • New Chips on the Block, TI 1394a-2000, TSB43CA43A, and AD 1896

audioXpress October 2003

  • "Zen Variations, Pt 5: The Complementary Zen"
  • "Modifying Peavey's TKO 80 Bass Amp, Pt 1"
  • "The Soap Factor"
  • "Borbely's RIAA Preamp with Tubes"
  • "An Unorthodox Two-Way, Pt 2"
  • "The ABCs of Filters, Pt 2"
  • Product Review, DACT CT 102 Power Supply
  • Xpress Mail
  • Tools, Tips, & Techniques, "Free Filament and Bias Voltage"
  • Classifieds
  • Ad Index
  • Yard Sale
  • New Chips on the Block, PPMD-200 and AD1833/AD1836

audioXpress November 2003

  • Audio News
  • "Adcom's GFP-565 Preamplifier, Pt 1"
  • "A Servo Dual Voice Coil Subwoofer"
  • "Flared Ports"
  • "Amplifier Burst Testing"
  • "More on Heater Problems, Tube Flash, and Electron Emission"
  • "Restoration of Peavey TKO 80 Bass Amp, Pt 2"
  • "An Unorthodox Two-Way, Pt 3"
  • Xpress Mail
  • Ask AX, "Box Design"
  • New Chips on the Block, AD1959 and Weber Copper Caps
  • Classifieds
  • Ad Index
  • Yard Sale
  • Glass Shard, "Mu-Stage Split-Load Phase Inverter"

audioXpress December 2003

  • Editorial, "A Look Back on 35 Years of Publishing"
  • "Build a Boosted Triode Amplifier"
  • "A Hegeman Subwoofer"
  • "Considering Negative Feedback: Op Amp Simulation of a Tube Amp Feedback Loop"
  • "Making Your Own Rubber Surrounds"
  • "Why Speakers Have Slanted Fronts, Pt 1"
  • "Adcom's GFP-565 Preamplifier, Pt 2"
  • Product Review, Onkyo DV-SP800
  • Xpress Mail
  • Index, audioXpress 2003
  • Glass Shard, "Four Unusual Electro-Voice Amps"
  • Classifieds
  • Ad Index
  • Yard Sale

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audioXpress 2002 Back Issues

audioXpress January 2002

  • Audio News
  • "The Infinite Box Concept, Pt 1"
  • "A Beginner's Push-Pull or Single-Ended Amp"
  • "Choosing and Using Electronic Parts: A Survival Guide, Pt 3"
  • "Building the Adire Kit 281 Speaker"
  • "A PL504 PP Amplifier"
  • "The Cadillac 16"
  • "The Ultra Fidelity Computer Sound System, Pt 5"
  • Product Review, Adire Kit281
  • Product Review, Wave Repair
  • New Chips on the Block, Burr-Brown PCM2702 DAC
  • Audio Aid, "Optimizing Second-Order Filter Resistors"
  • Website Resources
  • Xpress Mail
  • Classifieds
  • Ad Index
  • Yard Sale
  • Driver Report, Scan-Speak 18W/8531G00

audioXpress February 2002

  • Audio News
  • "Big Mike and the Jimmy, Pt 1"
  • "Panel Damping Studies: Reducing Loudspeaker Enclosure Vibrations"
  • "Harmony and Distortion, Pt 1"
  • "The AC Power Line and Audio Equipment, Pt 3"
  • "The Infinite Box Concept, Pt 2"
  • Product Review, Boston Acoustics Home-Theater Loudspeaker System
  • Product Review, RCM Akustik DLSA
  • Product Review, Vacutrace
  • Website Resources
  • Xpress Mail
  • Classifieds
  • Ad Index
  • Yard Sale
  • Classic Circuitry, "Pilot AA-410"

audioXpress March 2002

  • Editorial, "audioXpress: The First Year"
  • Audio News
  • "Zen Variations, Pt 1: Zen-lightenment"
  • "Building a Highly Analytical Horn System"
  • "Big Mike and the Jimmy, Pt 2"
  • "Load-Invariant Power Amplifiers, Pt 1"
  • "FM Stereo Signal Generator"
  • "e-Bass: An Application of Phase Linear Sub-Bass Equalization"
  • "Harmony and Distortion, Pt 2"
  • Product Review, Origin Live Turntable Upgrade Kit
  • Book Review, Electronic Circuit Actions Series-Amplifier Circuits Book on CD
  • Audio Aid, "The Self-Balancing Phase Inverter"
  • Xpress Mail
  • Website Resources
  • Classifieds
  • Ad Index
  • Yard Sale

audioXpress April 2002

  • Audio News
  • "A New Class-B Amplifier"
  • "Big Mike and the Jimmy, Pt 3"
  • "A Safe Power Supply for Valves"
  • "The Infinite Box: Constructing a Subwoofer, Pt 1"
  • "Load-Invariant Power Amplifiers, Pt 2"
  • "A Trapezoidal Closed 3-Way"
  • Product Review, Perpetual Technologies P-1A

audioXpress May 2002

  • Special, "What One Wants", an Appreciation of Henry Kloss
  • "THOR: A D'Appolito Transmission Line"
  • "The All-FET Line Amp"
  • "A Practical Circlotron You Can Build"
  • "The Infinite Box: Constructing a Subwoofer, Pt 2"
  • "A Sensible McIntosh 225 Refurbish"
  • "Moving-Coil Phono Cartridge Transformers"
  • Product Review, GW Labs DSP
  • Xpress Mail
  • Classifieds
  • Ad Index
  • Yard Sale
  • Website Resources

audioXpress June 2002

  • Editorial, "Interdependency"
  • Audio News
  • "A Valve Preamplifier, Pt 1"
  • "The DR10a"
  • "Universal Test Board for SMT Operational Amplifiers"
  • "The Pearl Phono Stage"
  • "A Five Channel Tube Home Theater Amp"
  • "Measuring Passive Radiators"
  • Product Review, FM Tuners: NAD and Parasound
  • Xpress Mail
  • Classifieds
  • Ad Index
  • Yard Sale
  • Website Resources

audioXpress July 2002

  • Audio News
  • Editorial, "On Turning 32"
  • "The Zen Amp Variations, Pt 2"
  • "A Marantz 8B Replica"
  • "A DVD Rescue"
  • "A Flared Port Study"
  • "Don't Toss It-Recone It"
  • "Diffraction Insights"
  • "A Valve Preamplifier, Pt 2"
  • Product Review, Praxis from Liberty Instruments
  • Product Review, Four ILP Amplifier Modules
  • Xpress Mail
  • Classifieds
  • Ad Index
  • Yard Sale
  • Website Resources

audioXpress August 2002

  • Audio News
  • "6B4G Stereo 90 Power Amp"
  • "The Zen Amp Variations, Pt 3"
  • "It's Not Just a Speaker-It's Furniture"
  • "Relays for Loudspeaker Protection"
  • "Dual-Driver Confusion Revisited"
  • Product Review, B2 Spice A/D V4
  • Product Review, CARA 2.0 Computer-Aided Room Acoustics Software
  • Product Review, CARA Test Disk
  • Xpress Mail
  • Book Review, The Collector's Vacuum Tube Handbook
  • New Chips on the Block, AK4360, TDK AVPro 501
  • Classic Circuitry, "Pilot AA-908"
  • Audio Aid, "Shishido 300B SE Amp Mod"
  • Classifieds
  • Ad Index
  • Yard Sale
  • Website Resources
  • Test Tracks

audioXpress September 2002

  • "DASP-2002 Digital Audio Signal Processor"
  • "Building the THORs"
  • "A 6L6G Parallel SE Amp"
  • "Build Your Own Axisymmetric Tractrix Horn"
  • "Followers: Cathode, Plate, and Others"
  • "Subwoofer Placement in Nonrectangular Rooms"
  • "Would You Take the Stereo"
  • Product Review, EarMax Pro Tube Headphone Amplifier
  • Product Review, Titanic 10" Subwoofer
  • Xpress Mail
  • Classifieds
  • Ad Index
  • Yard Sale
  • Website Resources
  • Book Review, Paul Wilbur Klipsch-The Life...The Legend

audioXpress October 2002

  • "Bass and the Room"
  • "A High-Performance Microphone Preamp"
  • "Creative Uses for 'A Universal Digital Out'"
  • "The DR12a Horn"
  • "Updating Borbely's Line Amp"
  • "The Extreme Subwoofer"
  • "Octal to 7-Pin Tube Adapter"
  • Product Review, The KAB Preamp
  • Product Review, DH Labs Cables
  • Book Review, Handbook for Sound Engineers, Third Edition
  • Glass Shard, "A Grounded Grid Line Stage"
  • Classifieds
  • Ad Index
  • Yard Sale
  • Classic Circuitry, "Grommes Hi-Fi"

audioXpress November 2002

  • "A 100W/Channel AB Differential Input Amplifier, Pt 1"
  • "A Passive Low Level Crossover"
  • "Build a Low-Voltage Tube Hybrid Headphone/Line Amp"
  • "Tuning In on the AM Band"
  • "A Drum-Head Midrange"
  • "Damping Loudspeakers in Series"
  • "High GM Smart Power Tubes, Pt 1"
  • "Vacuum Tubes Born Again in Nanotube MEMS"
  • Product Review, S-5 Electronics K-12M
  • Product Review, Vidsonix VCB-100
  • Product Review, Sounds Cylindrical
  • Xpress Mail
  • Audio Aid, "A Log Control Using a Linear Pot"
  • Classifieds
  • Ad Index
  • Yard Sale
  • New Chips on the Block, AKM AK4560A

audioXpress December 2002

  • "A 100W/Channel AB Differential Input Amplifier, Pt 2"
  • "Zen Variations, Pt 4: The Penultimate Zen"
  • "An Against the Wall Speaker"
  • "Design an Active Transient-Perfect Second-Order Crossover"
  • "6C33C-B Push-Pull Power Amplifier II"
  • "Thagard's Power Supply Revisited"
  • "High GM Smart Power Tubes, Pt 2"
  • Product Review, Sony SACD Player Modification
  • Xpress Mail
  • 2002 Index
  • Classifieds
  • Ad Index
  • Yard Sale

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audioXpress 2001 Back Issues

audioXpress January 2001

  • Editorial, "Facts of Life"
  • Audio News
  • "A 30W Push-Pull 3CX300A1 Monoblock"
  • "A Phono Pre-preamplifier for the CD era, Pt. 1"
  • "THD is Meaningless, Pt. 1"
  • "On Angel's Wings, Pt. 1"
  • "The DR10 Horn"
  • Product Review, Reference MM De Capo Speakers
  • Listening Critique
  • Product Review, Manley Stingray Amp
  • Listening Critique
  • "Tilting with Tubes"
  • "A Simple Golden Powered Sub"
  • "Designing Your Own Amplifier: Part 6a: Special Output Circuits"
  • Audio Classroom
  • Xpress Mail
  • Book Reviews, GEC Tube Data, Modern High-End Valve Amplifiers
  • Audio Aids
  • New Chips on the Block
  • Yard Sale
  • "Taming High Line Voltage", a Glass Shard
  • Test Tracks

audioXpress February 2001

  • Editorial, "Building Beauty"
  • Audio News
  • "A Modular Hybrid Amp System"
  • "A Quick Bookshelf Pair"
  • "More on TL Speaker Design"
  • "A Phono Pre-preamplifier for the CD Era, Pt. 2"
  • Product Review, B & W DM602 S2 Speakers
  • Listening Critique
  • Product Review, NAD T550 DVD Player
  • "Save the Tubes"
  • "THD is Meaningless, Pt. 2"
  • "On Angels' Wings, Pt. 2"
  • "Designing Your Own Amplifier Part 6b: Special Output Circuits"
  • Audio Classroom
  • Xpress Mail
  • Book Review, High-Power Audio Amplifier Construction Manual
  • "Bias: Fixed or Not Fixed"
  • Yard Sale
  • New Chips on the Block
  • "What Happened to the Magic?"
  • Test Tracks by Dan Martin

audioXpress March 2001

  • Editorial, "Looking Backward"
  • Audio News
  • "A Pair of Computer Speaker System Designs, Pt. 1"
  • "The Cure for the Common Dynaco MKIII"
  • "Digital Class-D Subwoofer Amp, Pt. 1"
  • "High-Quality ($180) Control Unit"
  • Product Review, Speaker City's MTM-18 Loudspeaker Kit
  • Product Review, Marantz PMD340 Pro CD Player
  • Product Review, Radio Shack 15-1994 Remote Control
  • Product Review, Testing the Oremus Loudspeaker from Enigma Acoustique with Listening Critique
  • "Speaker-Cable Impedance Concerns-Real or Imaginary?"
  • "Confessions of a Former Driver Designer"
  • Xpress Mail
  • Glass Shard, "Direct-Coupled Circuits Need Regulated DC Heaters"
  • Glass Shard, "Williamson Preamp Phase-Splitter Applications"
  • Yard Sale
  • Book Briefs
  • Test Tracks
  • New Chips on the Block

audioXpress April 2001

  • Editorial, "Mom Discovers Music"
  • "A 50W/Channel Composite Amplifier"
  • "Switching Power Supplies for Tube Preamps"
  • "A Bass-Boosting Network"
  • "A Pair of Computer Speaker System Designs, Pt. 2"
  • "Digital Class-D Subwoofer Amp, Pt. 2"
  • "An Unusual Tone Control"
  • Product Review, Mapletree Octal 6 Preamp with Listening Critique
  • Product Review, Marchand Tube Crossover with Listening Critique
  • Product Review, Cool Edit, "Books for the Tube Audio Beginner"
  • New Chips on the Block
  • Xpress Mail
  • Audio Aid
  • Yard Sale
  • Book Review, Firsts in High Fidelity
  • Glass Shard, "Building Rozenblit's 80W OTL Amp"
  • Test Tracks

audioXpress May 2001

  • Editorial, "Is Music Property?"
  • Audio News
  • "The Virtual Crossover, Pt. 1
  • "A Hybrid Tube/MOSFET SE Amp"
  • "A Transient-Perfect Second-Order Passive Crossover"
  • "A 211 SE Triode Amp"
  • "Inductor Coupling"
  • "Exploring the DAC Chip World"
  • "Ribbons Made Easy"
  • Product Review, Low Down Power, Pt. 1
  • Product Review, MJ Magazine's LP Test Disk 3
  • Xpress Mail
  • New Chips on the Block
  • Book Review, National Semiconductor Audio/Radio Handbook
  • Glass Shard, "Another Subminiature Preamp"
  • Test Tracks
  • Yard Sale
  • Vintage Glass, "Marantz Preamp-Equalizer"

audioXpress June 2001

  • Editorial, "The Custom Touch"
  • Audio News
  • "King-Size Quarter Horse Power Stereo Amplifier"
  • "Power Transformers for Audio Equipment"
  • "The Virtual Crossover, Pt. 2"
  • "A Different Kind of Line Amplifier"
  • "The Pull-Down 'T' Attenuator"
  • Product Review, Low Down Power, Pt. 2
  • Product Review, Parasound HCA-1000A Power Amplifier with Listening Critique
    "Easy Driver Flush-Mounting"
  • "Linear AC Measurements Using a 'Diode'"
  • "Bayonet Sockets"
  • Xpress Mail
  • New Chips on the Block
  • Book Review, Radio Tubes and Boxes of the 1920s
  • Showcase, "Magnetic Recycle"
  • Yard Sale
  • Test Tracks

audioXpress July 2001

  • Editorial, "Remembering Digital's Father"
  • "An Easy Solid-State Preamplifier"
  • "The DR12 Horn"
  • "A Two-Channel Tube Compressor"
  • "Digital Impedance Measurement"
  • "Odds and Evens"
  • "The Virtual Crossover, Pt. 3"
  • Glass Shard, "Lafayette Preamp"
  • Product Review, Kora Explorer 90SI with Listening Critique

  • Product Review, Behringer Eurorack Mixers
  • Xpress Mail
  • New Chips on the Block
  • Book Review, Basic Theory and Application of Electron Tubes
  • Yard Sale
  • Test Tracks

audioXpress August 2001

  • Editorial, "Out, Out, Damned Dot"
  • Audio News
  • "Slim Jims"
  • "A High-Quality Two-Channel Chip Amp"
  • "The Circlotron Amp"
  • "Box Stuffing-A Fistful of Fuzz"
  • "All About Wire"
  • "Electrostatic Odyssey"
  • "A Start-Up Delay for Vintage Amplifiers"
  • "Recreating a 1948 Console Amp"
  • Product Review, Roksan Caspian CD Player with Listening Critique
  • Product Review, Music Hall MMF-2.1 and Goldring Cartridge
  • Product Review, Sovtek 6550 and 2A3 Platinum Matched Tubes
  • Product Review, Sony CD Players,
  • Book Review, Cunningham Radiotron Manual
  • Xpress Mail
  • Classic Circuitry, "Pilot 264"
  • Ask AX
  • New Chips on the Block
  • Glass Shard, "Choosing Coupling Capacitor Values"
  • Yard Sale
  • Test Tracks

audioXpress September 2001

  • Audio News
  • "Build an Automotive Sub-Satellite Speaker System"
  • "The AC Power Line and Audio Equipment, Pt. 1"
  • "A Single-Ended 6550 Amplifier"
  • "How Good is Your Port?"
  • "The Ultra Fidelity Computer Sound System, Pt. 1"
  • "Phase Inverting by Transformers"
  • "JBL L300 Summit Renovation"
  • Product Review, Tannoy S8LR with Listening Critique
  • Product Review, Blaupunkt Munchen RDM 169 Car Audio Head Unit with Listening Critique
  • Product Review, Monarchy SM-70 Pro Power Amplifier
  • Product Review, The Sovtek 12ax7 LPS Twin Triode
  • Xpress Mail
  • Driver Report, The Jordan JX92S
  • New Chips on the Block
  • Book Review, GEC Audio Tube Data, 2nd Edition
  • "E-V Model A15", Glass Shard
  • Yard Sale
  • Vintage Glass, "Sylvania Audio Amp"

audioXpress October 2001

  • Audio News
  • "Build the Audax/D'Appolito Home Theater System"
  • "The Trouble with Screen Grids"
  • "LP Transfer to CD"
  • "No-Feedback Voltage Regulators"
  • "A New Crossover for Cambridge Soundworks Model Six"
  • "The Ultra Fidelity Computer Sound System, Pt. 2"
  • "The AC Power Line and Audio Equipment, Pt. 2"
  • Product Review, Sony MDS-JE440 MiniDisc Deck
  • Product Review, Circuit Specialists Digital Multimeters
  • Xpress Mail
  • New Chips on the Block
  • Ask AX
  • Book Review, 5.1 Surround Sound Up and Running
  • Yard Sale
  • Vintage Glass, "Bell Sound 2145"

audioXpress November 2001

  • Audio News
  • Editorial, "audioXpress: The First Year"
  • "Choosing and Using Electronic Parts: A Survival Guide, Pt. 1"
  • "A Planar-Triode Phono Preamp"
  • "A First-Order 3-Way, Pt.1"
  • "A Switching Power Supply for a Mike Preamp"
  • "The DR8 Horn"
  • "The Sessions Monitor, Pt. 1"
  • Product Review, Testing the PSB Stratus Silver with Listening Critique
  • Product Review, Onkyo Home Theater with Listening Critique
  • The Ultra Fidelity Computer Sound System, Pt. 3"
  • Xpress Mail
  • Yard Sale

audioXpress December 2001

  • Editorial, "Audio Evangelism"
  • "Passive Phono Preamps-A Universal Network"
  • "A Great First Amplifier Project"
  • "The Sessions Monitor, Pt. 2"
  • "Choosing and Using Electronic Parts, Pt. 2"
  • "The Revenge KR842VHD Amplifier"
  • "A First-Order 3-Way, Pt. 2"
  • "The Ultra Fidelity Computer Sound System, Pt. 4"
  • Product Review, Golden Ears Training
  • Product Review, The Rane Active Crossovers
  • Xpress Mail
  • 2001 Index
  • Yard Sale
  • Glass Shard, "Breadboarding with Tubes"

Add To Cart  audioXpress 2001 Back Issues
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