![]() |
Below are some scanned and cleaned up articles from my collection of Wireless World magazines
1950 to 2003 Wireless World went downhill after 2000 At present I am looking for black/grey KT66s in any condition for a future project and web articles about the QUAD IIs ~ October 2023 ~ |
![]() |
||||
![]() |
Loudspeakers Exposed ~ John Watkinson ~ watch out for the GRIM speaker | |
Error feedback in audio power ~ William de Bruyn ~ M. Hawksford ~ E. M. Cherry | |
300V/µs power ~ Giovanni Stochino ~ possibly the fastest high power audio …? | |
ClassA power ~ After two and a half decades … ~ John L. Linsley Hood | |
A fresh look at valve power ~ Morgan Jones ~ Valve amplifiers | |
Ironing out Distortion ~ Edward Cherry ~ How to reduce distortion ~ parts 1&2 | |
Proof for the golden ears hypothesis? ~ No proof just an advert for Audio Precision | |
Trial by three tones ~ Ivor Brown | |
Audio current conveyor ~ The PA630 IC ~ where is it now?
|
|
Evolutionary Audio ~ SolidState Audio Power ~ John L. Linsley Hood | |
Designing lownoise audio amplifiers ~ Wilfried Adam | |
Highresolution frequency counter ~ Stephen Theobald | |
Noise in electronic systems ~ D. A. Bell ~ lots of good references | |
Helical antennas for 435MHz ~ James Miller ~ G3RUH | |
How to make electric charge from a radio wave ~ R. C. Jennison | |
Micro-controlled radio-code clock ~ N. E. Sand | |
80-100 Watt Mosfet Audio Amplifier ~ John L. Linsley Hood | |
Fast amplitude stabilisation on an RC oscillator ~ I. M. Filanovksy ~ V. A. Piskarev ~ K. A. Stromsmoe | |
Phase-shifting oscillator ~ Roger Rosens | |
Cardboard clock ~ Michael McLoughlin ~ Haberdashers' Aske's School Elstree | |
Electronic Thermometer ~ A. S. Henderson | |
Measuring transient intermodulation in audio amplifiers P. Antoniazzi ~ C. Buongiovanni ~ S. Tintori |
|
Wienbridge oscillator with low harmonic distortion ~ John L. Linsley Hood | |
Introduction to low-noise amplifier design ~ A. Foord | |
Nanocomp ~ R. Coates | |
An acoustically small loudspeaker ~ R. I. Harcourt | |
Non-echoic acoustic measurement vith the HP 3582A spectrum analyser ~ R. N. Grubb | |
Electrostatic headphones ~ N. Pollock | |
Speaker directivity and sound quality ~ James Moir and Associates | |
Bookshelf loudspeaker MkII ~ Jim Wilkinson ~ Sony Broadcast | |
Audio preamplifier with no t.i.d. ~ Yuri Miloslavskij | |
Valves versus Transistors ~ 3 amps all from QUAD ~ James Moir and Associates | |
Current Dumping ~ does it really work? ~ J. Vanderkooy and S. P. Lipshitz | |
A new distortion measurement ~ R. A. Belcher ~ BBC Research department | |
Audible amplifier distortion is not a mystery ~ by Peter J. Baxandall | |
Distortion in lownoise amplifiers ~ Eric F. Taylor | |
Eliminating adjacent-channel interference ~ P. L. Taylor ~ University of Salford | |
Non-linear distortion in audio amplifiers ~ M. Otala ~ Oulu Finland | |
Acoustic noise units ~ James Moir | |
Self-setting time code clock ~ N. C. Helsby ~ University of Essex | |
Wideband compander design ~ John Vanderkooy ~ University of Waterloo Ontario | |
Lownoise lowcost cassette deck ~ John L. Linsley Hood | |
Transistor driver for valve amplifiers ~ Seth Berglund ~ Lunds University Sweden | |
Time-code receiver clock ~ A. F. Cross ~ Thames Television Ltd | |
Current dumping audio amplifier ~ P. J. Walker and M. P. Albinson ~ QUAD 405 | |
Time by radio ~ D. A. Bateman | |
Wireless World Dolby noise reducer ~ Geoffrey Shorter | |
Synthesized communications receiver ~ The Racal RA 1772 ~ R. F. E. Winn | |
Mains rejection Tracking filter ~ K. F. Knott ~ University of Salford | |
Reducing Amplifier Distortion ~ A. M. Sandman | |
Not such a dummy head ~ Artificial head recording ~ D. J. Meares ~ BBC | |
Baxandall tone control revisited ~ M. V. Thomas | |
Thyristor control of shunt wound d.c. motors ~ F. Butler
|
|
Electronic Sound Synthesizer ~ T. Orr B.Sc. and D. W. Thomas Ph.D M.I.E.R.E.. | |
An approach to audio amplifier design ~ J. R. Stuart M.Sc. ~ Lecson Audio Ltd. | |
Letters to the Editor July 1973 | |
Frequency Shifter For "Howl" Suppression ~ M. Hartley Jones | |
Audio Power Amplifier ~ P. L. Taylor ~ M.A. University of Salford | |
Circards7 Power Amplifiers ~ J. Carruthers ~ J. H. Evans ~ J. Kinsler ~ P. Williams | |
Distortion Reducer ~ D Bollen | |
The Semiconductor Story ~ K. J. Dean ~ G. White ~ Transistor 25th anniversary | |
The Wireless World Desk Calculator ~ Roger Alexander ~ Brian Crank | |
Letter From America ~ Quadraphonic systems JVC-RCA CBS SQ ~ G. W. Tillett | |
Linearity of the Transistor Amplifier ~ W. T. Cocking | |
Low-noise Audio Amplifiers ~ H. P. Walker | |
The Transmissionline loudspeaker Enclosure ~ A. R. Bailey | |
London Audio Fair 1971 ~ Review of a show attended more than 70,000 | |
Electrostatic Headphone Design ~ Philip D. Harvey | |
The Liniac ~ John L. Lindsey Hood | |
Charging ~ A further look at CR coupling ~ 'Cathode Ray' ~ M. G. Scroggie | |
Ceramic Pickup Equalisation ~ B. J. C. Burrows | |
Stereo Mixer ~ H. P. Walker B.A. ~ A good phono stage albeit with feedback | |
FM Stereo Tuner ~ L Nelson-Jones | |
Low Distortion Tone-control Circuit ~ P M Quilter | |
High-gain Audio Voltage Amplifier ~ D Leblebici | |
New Approach to Class B Amplifier Design ~ Peter Blomley ~ Plessey | |
Negative Feedback in Transistor Amplifiers ~ S. W. Amos ~ BBC | |
The Boxcar Detector ~ J. D. W. Abernethy | |
Simple Class A Amplifier and Modular Pre-amp ~ John L. Linsley Hood | |
The Design and Use of Movingcoil Loudspeaker Units ~ E. J. Jordan | |
15-20W Class AB Audio Amplifier ~ John L. Linsley Hood | |
Noise in Transistors ~ F. N. H. Robinson M.A. D.Phil. | |
Class Distinction in Audio Amplifiers ~ John L. Linsley Hood | |
Communications Receivers ~ Pat Hawker ~ G3VA | |
Low-cost Horn Loudspeaker System ~ ToneBurst | |
Dynamic Range versus Ambient Noise ~ George Izzard O'Veering | |
ToneBalance Control ~ R. Ambler ~ The QUAD Tilt control explained | |
Stereo Gramophone Pickups ~ Stanley Kelly | |
LowCost 15-W Amplifer ~ Ian Hardcastle of Texas Instruments ltd. and Basil Lane ~ Introduction to the differential pair front end but using a single supply | |
Modular Pre-amplifier Design ~ John L. Linsley Hood | |
Simple Class A Amplifier ~ A 10W design ~ J L Linsley Hood M.I.E.E | |
SolidState Oscilloscope ~ Michael Phillips | |
Highquality Electrostatic Headphones ~ J. P. Wilson ~ Keele University | |
Noise in Transistor Circuits ~ parts 1 & 2 ~ P. J. Baxandall | |
Voltage Following ~ Peter Williams B.Sc. ~ Paisley College of Technology | |
Lowcost Highquality Loudspeaker ~ parts 1 & 2 ~ P. J. Baxandall | |
High Inputimpedance Amplifier Circuits ~ T. D. Towers | |
Stereophonic Image Sharpness ~ H. D. Harwood ~ BBC Research department | |
30 Watt High Fidelity Amplifier ~ Arthur R. Bailey | |
Low Distortion Class B Output ~ QUAD 303 output tripples explained | |
Developments in Microphones ~ H. D. Harwood ~ BBC Research Dept. | |
Widerange General Purpose Signal Generator ~ L. NelsonJones | |
New B.B.C. Monitoring Loudspeaker ~ H. D. Harwood ~ BBC Research Dept. | |
Electronics in Concorde | |
Wireless World Digital computer ~ Part 1 | |
A Stereo Decoder ~ D. E. O'n. Waddington ~ Marconi Intruments Ltd. | |
A.F. Amplification with the Cascode ~ G. A. Stevens | |
Wireless World June 1966 | |
Letters to the Editor ~ WW December 1966 ~ Current sources | |
Letters to the Editor ~ WW September 1966 ~ Current sources | |
Transistor High Quality Amplifier MkII ~ J. Dinsdale | |
New Low-Noise Transistor Circuit for Electrostatic Microphones ~ P. J. Baxandall | |
Colour Television Systems ~ P. R. Darrington | |
Transient testing of A.C. Amplifiers ~ R. C. Bowes | |
New Phase Splitter ~ A. R. Bailey ~ Radford MA12 MA15 | |
Splitting the Load ~ O. Greiter | |
Transfer Functions ~ M. G. Scroggie ~ 'Cathode Ray' | |
Transistor Audio Power Amplifier ~ R. Tobey and J. Dinsdale
|
|
Parametric Amplication with Transistors ~ Ulrich L. Rohde | |
Automatic Wavemeter Calibration ~ D. P. Thurnell | |
Disc Recording Characteristics ~ J. D. Smith ~ Letters to the Editor ~ W. H. Livy E.M.I. Studios London ~ Formulae for calculating lumped RIAA equalisation | |
Cascode A.F. Amplifier ~ Longtailed cascode pair ~ L. B. Hedge | |
The Nyquist Diagram at Work.pdf ~ 'Cathode Ray' | |
UL Output Transformers ~ D. M. Leakey and R. B. Gilson | |
|
|
Neon F.M. Tuning Indicator ~ John D. Collinson ~ QUAD FM Tuning indicator | |
Valve Curve Diagrams ~ M. G. Scroggie ~ 'Cathode Ray' | |
Measurement of Non~Linearity Distortion ~ M. G. Scroggie ~ 'Cathode Ray' | |
Wide Range Electrostatic Loudspeakers ~ with Negligible Distortion ~ P. J. Walker | |
More Distortion ~ What Causes Musical Unpleasantness? ~ 'Cathode Ray' | |
Distortion ~ "Cathode Ray" ~ Output Transformer Design ~ R. F. Gibson | |
Valve Codes ~ M. H. N. Potok ~ What valve numbers mean by manufacturer | |
Further notes on ~ How to Choose a Valve ~ Thomas Roddam | |
Amplifiers and Superlatives ~ D. T. N. Williamson and P. J. Walker ~ QUADII | |
Valve Voltmeter without calibration drift ~ M. G. Scroggie ~ 'Cathode Ray' | |
The Williamson Amplifier ~ Articles reprinted from Wireless World 1947~1952 | |
Preface to Wireless World July 1951 ~ The search for Audio Nirvana at this time | |
Intermodulation Distortion in Gramophone Pickups ~ S. Kelly
|
|
Loudspeaker Diaphragm Control ~ J. Moir
|
|
Gramophone Turntable Speeds ~ G. F. Dutton ~ E.M.I. Engineering Development | |
How to Choose a Valve ~ Thomas Roddam ~ gm/Vg curves and distortion | |
Phase-Shift Oscillators ~ W. G. Raistrick ~ PYE Cambridge Ltd. | |
Bass Without Big Baffles ~ K. A. Exley | |
Solving Parallel Problems ~ D. A. Pollock ~ BBC Engineering Division | |
Negative Feedback ~ E. Griffiths ~ BBC Engineering Division | |
PreferredValue Attenuators ~ E. W. BerthJones | |
Electronic Circuitry ~ Coupling d.c. Amplifiers ~ J. McG. Sowerby | |
Electronic Circuitry ~ Some notes on Phase Splitters ~ J. McG. Sowerby | |
HighQuality Amplifier: New Version ~ D. T. N. Williamson ~ Ferranti research | |
Push-Pull Input Circuits ~ Part2 ~ Cathode follower phase splitter ~ W. T. Cocking | |
The Cathode Follower ~ What it does and how it does it ~ "Cathode Ray" | |
The SeeSaw Circuit ~ A Self balancing phase splitter ~ M. G. Scroggie | |
PhaseSplitting in PushPull Amplifiers ~ W. T. Cocking |
"Nothing here but history ~ Can you see what has been done"