audioXpress: October 2003, vol.34, No.10

CONTENTS

ZEN VARIATION, PART 5: THE COMPLEMENTARY ZEN 
While still keeping it as simple as possible, this Zen master explores single gain-stage amps using a push-pull design. By Nelson Pass

MODIFYING PEAVEY'S TKO 80 BASS AMP, PART I 
To turn a classic "pawnshop prize" into a smoothly functioning bass guitar amp first requires finding the right driver to meet system requirements. By Charles Hansen and G. R. Koonce

THE SOAP FACTOR 
Quickly and easily estimate the output of a power amp with this author's handy method. By Benjamin L. Poehland

BORBELY'S RIAA PREAMP WITH TUBES 
This recent grad student shows you how to design and construct a vacuum tube phono preamp based on the Borbely RIAA architecture. By Joe Tritschler

AN UNORTHODOX TWO-WAY, PART 2 
This speaker project offers you the choice of modifying an off-the-shelf enclosure or building from scratch to produce this 8" two-way system. By Jon Mark Hancock

THE ABCs OF FILTERS, PART 2 
This tutorial on filters helps us better understand how to control system response in sealed and vented enclosures. By Richard Honeycutt.

PRODUCT REVIEW, DACT CT 102 POWER SUPPLY 
Teting the audio power supply from Danish Audio ConnecT. Reviewed by CHarles Hansen.

TOOLS, TIPS AND TECHNIQUES
Free filament and Bias Voltage

NEW CHIP ON THE BLOCK
PMD-200 and AKD1833/AD1836

• KEY TOPICS
• Single gain amps
• AKO 80 Bass amp mod.
• RIAA pre-amp with tubes
• Unorthodox 2-way spk design
• The ABC of Filters
• DACT CT 102 power supply review
• BOOK SPECIFICATION
• paperback
• black and white print
• 72 pages
• 205mm x 267mm
• 170g

 Price; £5.50 +p&p