Glass Audio Back Issues 1989/94/96
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Glass Audio Digital Archive - Years 1989, 1994 and 1996 (12 Issues in total)
Issues may be downloaded as PDF files or viewed in the online flipbook.
Available in 24-48 hrs after purchase.
The PDF files were created from black-and-white scans of the physical issues.
1994 - Four Issues
1996 - Six Issues
1989 - Issue 1
“ST-70 With Solid-State Regulation” by Joe Curcio, page 1
“UK Round-UP” by Ken Kessler, page 3
“A Vacuum Tube Denon CD” by Richard Painter, page 15
“Restore Your Scott Tuner” by Victor Staggs, page 20
Ask GA, by Norman Crowhurst, page 24
World Directory of Tube Electronics Manufacturers, page 27
Letters, page 29
Classifi ed, page 31
“UK Round-UP” by Ken Kessler, page 3
“A Vacuum Tube Denon CD” by Richard Painter, page 15
“Restore Your Scott Tuner” by Victor Staggs, page 20
Ask GA, by Norman Crowhurst, page 24
World Directory of Tube Electronics Manufacturers, page 27
Letters, page 29
Classifi ed, page 31
1989 - Issue 2
“Soft Start for Tubes” by Roy Mottram, page 1
Valve Views by Ken Kessler, page 3
“Rejuvenating Dyna’s Mark IV” by Paul Becker, page 8
“Extending Tube Life” by Charles King, page 16
World Tube Directory, page 20
“Transformer Hunting” by Norman Crowhurst, page 24
Kit Report, ST-70 Mods, by Roy Mottram, page 26
Letters, page 34
Glass Case, page 44
Classifi ed, page 45
Valve Views by Ken Kessler, page 3
“Rejuvenating Dyna’s Mark IV” by Paul Becker, page 8
“Extending Tube Life” by Charles King, page 16
World Tube Directory, page 20
“Transformer Hunting” by Norman Crowhurst, page 24
Kit Report, ST-70 Mods, by Roy Mottram, page 26
Letters, page 34
Glass Case, page 44
Classifi ed, page 45
1994 - Issue 1
“Transformer Coupled WE-300B Single-Ended Amp” by Nobu Shishido, page 1
Valve Views, by Ken Kessler, page 3
Editorial, “How We Began” by Edward T. Dell, Jr., page 4
“A Tube DAC” by Norman Tracy, page 14
“A Dual 1 + 1 Cascade Amplifier” by Eric Barbour, page 32
Ask GA,
by Eric Barbour, page 34
Kit Report, e/j BLOOM’s IMagine™ Kit, reviewed by Fernando Garcia, page 36
Glass Shards, page 42
Letters, page 46
Classifi eds, page 50
Ad Index, page 54
Valve Views, by Ken Kessler, page 3
Editorial, “How We Began” by Edward T. Dell, Jr., page 4
“A Tube DAC” by Norman Tracy, page 14
“A Dual 1 + 1 Cascade Amplifier” by Eric Barbour, page 32
Ask GA,
by Eric Barbour, page 34
Kit Report, e/j BLOOM’s IMagine™ Kit, reviewed by Fernando Garcia, page 36
Glass Shards, page 42
Letters, page 46
Classifi eds, page 50
Ad Index, page 54
1994 - Issue 2
“Cascode Construction” by Denzil Danner, page 1
Valve Views, by Ken Kessler, page 3
Editorial, “Looking Backward & Forward” by Edward T. Dell, Jr., page 4
“A New Dynaco PAS Upgrade” by Norman L. Koren, page 10
“Amending Brian Lowe’s Servo
Bias System” by Andrew Nehan, page 22
“Output Transformers, Pt 1” by James Moir, page 24
Ask GA,
by Eric Barbour, page 32
Glass Shards, page 38
Letters, page 40
Classifi eds, page 49
Ad Index, page 53
Glass Case, page 54
Valve Views, by Ken Kessler, page 3
Editorial, “Looking Backward & Forward” by Edward T. Dell, Jr., page 4
“A New Dynaco PAS Upgrade” by Norman L. Koren, page 10
“Amending Brian Lowe’s Servo
Bias System” by Andrew Nehan, page 22
“Output Transformers, Pt 1” by James Moir, page 24
Ask GA,
by Eric Barbour, page 32
Glass Shards, page 38
Letters, page 40
Classifi eds, page 49
Ad Index, page 53
Glass Case, page 54
1994 - Issue 3
“A Purist Tube-Regulated Supply, Pt 1” by Douglas Cann, page 1
Glass Case, page 3
“An Amplifi er Soft-Starting Control” by Anthony Nash, page 14
“Differential Series Feedback Pair” by Denzil Danner, page 18
“Output Transformers, Pt 2” by James Moir, page 30
Ask GA, by Bruce Rozenblit, page 38
Book Report, Vintage Hi-Fi Spotter’s Guide, Volumes 1 & 2, reviewed by Eric Barbour, page 40
Letters, page 43
Classifi eds, page 51
Ad Index, page 54
Glass Case, page 3
“An Amplifi er Soft-Starting Control” by Anthony Nash, page 14
“Differential Series Feedback Pair” by Denzil Danner, page 18
“Output Transformers, Pt 2” by James Moir, page 30
Ask GA, by Bruce Rozenblit, page 38
Book Report, Vintage Hi-Fi Spotter’s Guide, Volumes 1 & 2, reviewed by Eric Barbour, page 40
Letters, page 43
Classifi eds, page 51
Ad Index, page 54
1994 - Issue 4
“Inside the Russian Tube Industry” by Eric Barbour, page 1
Valve Views, by Ken Kessler, page 3
“A Headphone Helper” by Denzil Danner, page 12
“Balance in Push-Pull Amplifiers” by Joseph Marshall, page 16
“Rectifying Your Drivers” by Paul Becker, page 20
“A Purist Tube-Regulated Supply, Pt 2” by Douglas Cann, page 22
Ask GA, by Eric Barbour, page 28
Kit Report, Maplin Millennium 4-20 20W Valve Power Amplifier, reviewed by Kevin Carter & David Davenport, page 34
Glass Shards, page 38
Vintage Glass, Heathkit Mono Preamplifier WA-P2, page 44
Letters, page 45
Book Report, Audio Anthology, Volume 5, reviewed by Gary A. Galo
Classifi ed, page 58
Glass Case, page 62
Valve Views, by Ken Kessler, page 3
“A Headphone Helper” by Denzil Danner, page 12
“Balance in Push-Pull Amplifiers” by Joseph Marshall, page 16
“Rectifying Your Drivers” by Paul Becker, page 20
“A Purist Tube-Regulated Supply, Pt 2” by Douglas Cann, page 22
Ask GA, by Eric Barbour, page 28
Kit Report, Maplin Millennium 4-20 20W Valve Power Amplifier, reviewed by Kevin Carter & David Davenport, page 34
Glass Shards, page 38
Vintage Glass, Heathkit Mono Preamplifier WA-P2, page 44
Letters, page 45
Book Report, Audio Anthology, Volume 5, reviewed by Gary A. Galo
Classifi ed, page 58
Glass Case, page 62
1996- Issue 1
“The Country Boy’s Capacitor Microphone” by David Royer, page 1
Glass Case, page 4
“Driving the 300B” by Reid Welch, page 16
“Distortion in Tubes, Pt 2” by Rickard Berglund, page 22
“ The Amplifi er Distortion Story, Pt 2” by Norman H. Crowhurst, page 26
“Collecting Glass—an Overview” by Charles Ochs, page 34
Product Review, The BK Power Amps, reviewed by George Brooke, page 40
Glass Shard, “A Mu-Follower Driver for the 300B” by Rickard Berglund, page 47
Book Reports, Digital Projects for Musicians, The Loudspeaker Design Cookbook, 5th edition, page 48
V & T News, page 51
Letters, page 52
Classifi eds, page 60
Ad Index, page 61
Clubs, page 62
Glass Case, page 4
“Driving the 300B” by Reid Welch, page 16
“Distortion in Tubes, Pt 2” by Rickard Berglund, page 22
“ The Amplifi er Distortion Story, Pt 2” by Norman H. Crowhurst, page 26
“Collecting Glass—an Overview” by Charles Ochs, page 34
Product Review, The BK Power Amps, reviewed by George Brooke, page 40
Glass Shard, “A Mu-Follower Driver for the 300B” by Rickard Berglund, page 47
Book Reports, Digital Projects for Musicians, The Loudspeaker Design Cookbook, 5th edition, page 48
V & T News, page 51
Letters, page 52
Classifi eds, page 60
Ad Index, page 61
Clubs, page 62
1996 - Issue 2
“A Single-Ended Pentode Amp” by Rickard Berglund, page 1
Glass Case, page 6
“In Search of the Perfect Tube” by David O’Rourke, page 12
“We Talk with Dennis Had” by Richard Painter, page 34
“A Differential Amp for Electret and Electrostatic Headphones” by Scott K. Reynolds, page 38
Ask GA, page 44
Glass Shards, “Power-Supply Project” by Paul Spiegel, page 50
V & T News, page 54
“Tube Families” by Charles Ochs, page 56
Letters, page 58
Vintage Glass, Harman-Kardon
Citation II schematic, page 66
Classifi eds, page 67
Ad Index, page 68
Glass Case, page 6
“In Search of the Perfect Tube” by David O’Rourke, page 12
“We Talk with Dennis Had” by Richard Painter, page 34
“A Differential Amp for Electret and Electrostatic Headphones” by Scott K. Reynolds, page 38
Ask GA, page 44
Glass Shards, “Power-Supply Project” by Paul Spiegel, page 50
V & T News, page 54
“Tube Families” by Charles Ochs, page 56
Letters, page 58
Vintage Glass, Harman-Kardon
Citation II schematic, page 66
Classifi eds, page 67
Ad Index, page 68
1996 - Issue 3
“Triode vs. Pentode: Which?” by Norman Crowhurst, page 1
Glass Case, page 4
“The Stereo Half-Watter” by Tom S. Jones, page 22
“A Single-Ended SV811-10 Amp” by Eric Barbour, page 34
“Dual Single-Ended Amplifier” by Graeme J. Cohen, page 42
“EZ Start Power Controller” by Gary McClellan, page 54
Ask GA, page 62
Glass Shards, “Simple Class A Headphone Amp” by Adam Stouffer, page 64
Kit Report, Velleman 100W per Channel Stereo Valve Amp, reviewed by Charles Ochs, page 65
Letters, page 69
Classifi eds, page 75
Ad Index, page 76
Glass Case, page 4
“The Stereo Half-Watter” by Tom S. Jones, page 22
“A Single-Ended SV811-10 Amp” by Eric Barbour, page 34
“Dual Single-Ended Amplifier” by Graeme J. Cohen, page 42
“EZ Start Power Controller” by Gary McClellan, page 54
Ask GA, page 62
Glass Shards, “Simple Class A Headphone Amp” by Adam Stouffer, page 64
Kit Report, Velleman 100W per Channel Stereo Valve Amp, reviewed by Charles Ochs, page 65
Letters, page 69
Classifi eds, page 75
Ad Index, page 76
1996 - Issue 4
“Harmonic Cancellation Improves the SE Amplifi er” by Reid Welch, page 1
Glass Case, page 4
“A Tube Designator Glossary, Pt 1” by Matthew J. Cottrell, page 14
“Yes, You Can Substitute for the 7591 Tube!” by Gary McClellan, page 22
“Quality Testing for Audio Amplifiers” by Norman Crowhurst, page 30
“Vacuum Tube Electronics: Part 1—The Classic Texts” by Scott Frankland, page 36
“A Russian/Western Tube Chart” by Andreas Schubert, page 44
“Measuring Circuit Impedances” by Chris Paul, page 46
Kit Report, The Arion Adonis Amp Kit, reviewed by Paul Becker, page 56
Glass Shards, “Modify Your 6BQ5 Power Amp, A Positive Feedback 100MA Regulator” by Rickard Berglund, page 64
Letters, page 66
Ask GA, page 72
Classifi eds, page 75
Ad Index, page 76
Vintage Glass, Fisher Model 50-C Master Audio Control, page 78
Glass Case, page 4
“A Tube Designator Glossary, Pt 1” by Matthew J. Cottrell, page 14
“Yes, You Can Substitute for the 7591 Tube!” by Gary McClellan, page 22
“Quality Testing for Audio Amplifiers” by Norman Crowhurst, page 30
“Vacuum Tube Electronics: Part 1—The Classic Texts” by Scott Frankland, page 36
“A Russian/Western Tube Chart” by Andreas Schubert, page 44
“Measuring Circuit Impedances” by Chris Paul, page 46
Kit Report, The Arion Adonis Amp Kit, reviewed by Paul Becker, page 56
Glass Shards, “Modify Your 6BQ5 Power Amp, A Positive Feedback 100MA Regulator” by Rickard Berglund, page 64
Letters, page 66
Ask GA, page 72
Classifi eds, page 75
Ad Index, page 76
Vintage Glass, Fisher Model 50-C Master Audio Control, page 78
1996 - Issue 5
“A 15W SE Power Amp with 6C33C-B” by Erno Borbely, page 1
Glass Case, page 5
“Improved Vacuum-Tube Models for SPICE Simulations” by Norman Koren, page 18
“Direct-Coupled Mu Stage” by Alan Kimmel, page 30
“World Class Fit and Finish” by Chris Wolf, page 36
“Filament Power and Performance of the 2A3” by Donald S. Jenkins, page 42
“Enhanced-Mode Operation” by Rickard Berglund, page 50
Ask GA, page 54
Letters, page 58
Classifi eds, page 67
Ad Index, page 68
Glass Case, page 5
“Improved Vacuum-Tube Models for SPICE Simulations” by Norman Koren, page 18
“Direct-Coupled Mu Stage” by Alan Kimmel, page 30
“World Class Fit and Finish” by Chris Wolf, page 36
“Filament Power and Performance of the 2A3” by Donald S. Jenkins, page 42
“Enhanced-Mode Operation” by Rickard Berglund, page 50
Ask GA, page 54
Letters, page 58
Classifi eds, page 67
Ad Index, page 68
1996 - Issue 6
“KISMET: A Simple 2A3 SE Amp” by Fabio Camorani, page 1
Glass Case, page 4
“A Tube Designator Glossary, Pt 2” by Matthew J. Cottrell, page 16
“A Triode Minimalist Crossover” by Richard Painter, page 22
Glass Case, page 4
“A Tube Designator Glossary, Pt 2” by Matthew J. Cottrell, page 16
“A Triode Minimalist Crossover” by Richard Painter, page 22
“Vacuum Tube Electronics: Part 2—Specialized Titles” by Scott Franklin, page 26
“Ultra-Low Distortion Graphic Equalizer” by Rickard Berglund, page 40
“The Search for Linearity—Pt 1” by Mark Kelly, page 42
“A New Transmitting Tube Driver Stage” by Rickard Berglund, page 50
Book Report, Audio Anthology, Volume Six, reviewed by Gary Galo, page 52
Ask GA, page 56
Glass Shards, “Triode-Loaded Pentode Input for SE Amps” by Rickard Berglund, page 60
Letters, page 62
Ad Index, page 72
Showcase, page 73
Classifi eds, page 76
“The Search for Linearity—Pt 1” by Mark Kelly, page 42
“A New Transmitting Tube Driver Stage” by Rickard Berglund, page 50
Book Report, Audio Anthology, Volume Six, reviewed by Gary Galo, page 52
Ask GA, page 56
Glass Shards, “Triode-Loaded Pentode Input for SE Amps” by Rickard Berglund, page 60
Letters, page 62
Ad Index, page 72
Showcase, page 73
Classifi eds, page 76