audioXpress - May 2017

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IT’S ABOUT THE SOUND
Streaming Music Experiences (Part 5)
Streaming from Sonos and Deezer
By Ron Tipton

ETAL Anaview
ALA0080 Class-D Module
By Ward Maas
Learn more about the Swedish brand Anaview, now part of the ETAL Group, and its latest generation amplifier modules—in particular the surprisingly small ALA0080 Class-D module.

Dynaco ST-70 Series 3
The Inside Story—A Long Road
By Dan Fraser
Discover a truly worthy successor of one of the most successful tube amplifiers of all time. Find out what Dynaco’s design team faced to meet the expectations that come with David Hafler’s work.

The Korg Nutube
By Pete Millett
Check out this new miniature, low-power dual directly heated triode device developed by Korg (of musical instrument fame) and Noritake Itron, a Japanese manufacturer of vacuum fluorescent displays.

Kismet 5: The 20th Anniversary Edition
The Evolution of Its Design
By Fabio Camorani
Embrace the warmth of tubes with this fifth-generation Kismet adaptation and follow our author’s efforts to obtain quality sound from low-cost designs.

High-Quality Hi-Fi Circlotron Power Amplifiers
By Gerhard Haas
Build a power amplifier based on the Circlotron principles to achieve good hi-fi characteristics.

Four Gadgets for
Tube Enthusiasts
By Bruce Brown
To help new tube enthusiasts get started, our author recommends building these four tools, which will prove immensely useful when constructing tube projects.

Inrush Current Protection for Tube Amps
By Scott Dorsey
Discover how to balance the use of transformers, rectifiers, and filter capacitors to increase the lifespan of components, reduce mechanical and thermal stress, and protect older tubes.

HOLLOW-STATE ELECTRONICS
Phonograph Recording and Playback Electronics
By Richard Honeycutt