In this issue

8 RødeTest FuzzMeasure Audio and Acoustic Measurement Software
A Classy “Swiss Army Knife” for Acoustic Measuring
By Luke McCready
The FuzzMeasure acoustic measurement software is known for its high-quality graphs and for tucking an immense amount of control into a sleek, minimal interface.

20 Stop Worrying About Coupling Capacitors!
By Ethan Winer
Ethan built a simple device that measures capacitor distortion using a USB sound card and free software to try and determine the importance of high-quality capacitors in the signal path.

30 Noise Analysis for FDA-Based Audio ADC Drivers
By Michael Steffes

34 Build This MoFo!
By Mike Rothacher
Mike Rothacher dreamed of a simple DIY amplifier project—an inexpensive, single-stage, single-ended, Class A. He also wanted a MOSFET Follower (MoFo), powered by a simple laptop adaptor.

42 In Memoriam of Gerhard Haas

44 Repurposing an Old Preamp for Line-Level Duty
By Bill Reeve
Bill Reeve builds a tube preamplifier to position at the input to his home power amplifier, eliminating the need to adjust his 1972 McIntosh MX10 tuner and 240 power amplifier’s volume high when he wants to fill his home with music.

50 Mini Blocks—Small Vacuum Tube Power Amplifiers
By Bruce Heran
This latest incarnation of that amplifier is actually a pair of mini blocks as they better suit his current needs and include a number of modifications that enhance their performance.

56 Powering Your Circuits (Part 4) AC Rectification and DC Power Regulation
By Ed Simon
In this article, Ed Simon continues to explore AC waveforms and looks at full-wave bridge (FWB) circuits and other forms of DC power regulation.

60 Adventures in Guitar Amplifier Repair
By Richard Honeycutt

audioXpress Magazine Description:

Step into the realm of audio, sound technology, and the latest developments in the field with audioXpress Magazine. We're delighted to introduce you to this publication, your ultimate source for all things related to audio, audio equipment, and the art of sound reproduction.

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