Linear Audio - Volume 13
Linear Audio Vol 13 is the 14th issue of a series of printed bookzines dedicated to technical audio and perception.
In this issue:
Your Editor reflects on 14 issues, 2 books and 7 years and concludes It’s been a great adventure!
Burkhard Vogel, not content with his already immense knowledge of all things noise, finds it's time for Challenging BJT Noise.
Marcel van de Gevel thought it was time that in The valve DAC - Submicron silicon meets submillimetre vacuum.
After several theoretical installments, Giovanni Stochino puts his money where his mouth is and gives us an Audio power amplifier with BEF error correction delivers 150W into 8Ω at 0.0004% THD
Our friend Rudolf Moers is back with An investigation of the screen grid tap - a search for the hidden arguments.
Ian Hegglun is back with another out-of-the-box power amp design as only he can do, with a Current driven Output-stage class AB power amplifier.
Test and Measurement
With two heavy-hitters like Samuel Groner and Bruno Putzeys teaming up, Reed Relay Distortion gets unraveled and exposed.
John Vanderkooy and Richard Mann joined forces to come up with An Open-Source Electroacoustic Measurement System: Part 1: Theory, Practicalities & Acoustic Examples; Part 2: Sound Card Setup, System Characterization and a few more Examples.
Editors note: Some accuracies crept into this article regarding the operation and the performance of the Focusrite Scarlett 2i2 2nd generation. Author Vanderkooy's rectification and the full Focusrite comments can be downloaded from the Oops section.
If you want your speakers to sound the same on-axis as off-axis, you need The Axis Equalizer, says Jeff Macaulay.