Glass Audio 1994 Issue 1 (of 4)
1994 Issue 1 (of 4) of Glass Audio - in PDF format
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Step into the world of high-end vacuum tube design with Volume 6, Number 1 of Glass Audio (1994). This issue features groundbreaking projects and international insights for the serious audiophile:
- Transformer Coupled WE-300B Single-Ended Amp – Renowned designer Nobu Shishido demystifies the legendary Japanese "Directly Heated Triode" scene. Learn why his unique approach using interstage transformer coupling creates a three-dimensional sound that captures the "vibration of human flesh" in ways traditional designs cannot match.
- A Tube DAC – If early digital audio left you cold, Norman Tracy’s modular outboard digital-to-analog converter is the cure. By pairing a sophisticated 18-bit digital section with a vacuum tube output stage, this project brings "emotional involvement" and musicality back to your CD collection.
- A Dual 1 + 1 Cascade Amplifier – Eric Barbour provides a sleek, high-performance feedback amplifier designed specifically for the experimenter. With a compact PC board layout that fits into narrow rack-mount cabinets, it is an ideal versatile building block for your next audio project.
- Valve Views: The Global Tube Renaissance – Join Ken Kessler as he reports on the "rising tide of hollow-state hardware" worldwide. From the DIY-mad enthusiasts in Italy to the latest high-end displays in Milan, discover the innovative hardware reshaping the international audio landscape.
- Kit Report: Integrated Magnetics – Explore the cutting edge of power supply design with Fernando Garcia’s review of the IMagine kit. Discover how switch-mode power supplies and integrated magnetics can provide clean, high-current heater power for your tubes in a fraction of the space.
- Glass Shards: Asymmetrical Followers – Master the asymmetrical $\mu$-follower, a two-tube circuit topology that delivers low distortion, low output impedance, and high gain simultaneously. Rickard Berglund provides the component values and technical theory needed to use this circuit as a driver for headphones or in preamplifiers.
CONTENTS
Volume 6, Number 1 (1994)
| Article | Author(s) | Page |
|---|---|---|
| Transformer Coupled WE-300B Single-Ended Amp | Nobu K. Shishido | 1 |
| A Tube DAC | Norman Tracy | 14 |
| A Dual 1 + 1 Cascade Amplifier | Eric Barbour | 32 |
| Valve Views | Ken Kessler | 3 |
| Editorial: How We Began | Edward T. Dell, Jr. | 4 |
| Ask GA | Eric Barbour | 34 |
| Kit Report: e/j BLOOM’S IMagine Kit | Fernando Garcia | 36 |
| Glass Shards: Asymmetrical Followers | Rickard Berglund | 42 |
| Letters | — | 46 |
| Classifieds | — | 50 |
| Ad Index | — | 54 |
Note: Page numbers are based on the table of contents provided in the sources.