audioXpress: September 2003, vol.34, No.9

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audioXpress: September 2003, vol.34, No.9

CONTENTS

MATT'S BIG CLASS A AMPLIFIER 
Fans of Class-A designs will appreciate this 20W per channel single-ended version featuring a bipolar input and MOSFET output. By Matt Tucker

TUBE-BASED CROSSOVERS 
Using a free design program will help you determine the compo-nent values of the tube crossover for your speaker system. By John R. Broskie

A CENTER CHANNEL SPEAKER: A DIFFERENT APPROACH 
Determined not to settle for the same old box-on-a-box center-channel/TV configuration, this author provides an attractive, effective solution. By Daniel L. Ferguson

DC PROTECTION AND SWITCH-ON DELAY FOR POWER AMPS 
Protect your speaker from unwanted DC with this simple-to-build circuit that also features a switch-on delay. By Jenoe Keceli

THE ABCs OF FILTERS, PART 1 
From the simple to the complex, this tutorial covers everything you need to know about filter terminology. By Richard Honeycutt

AN UNORTHODOX TWO-WAY, PART 1 
Here's a time-tested design, requiring minimum cabinet construction, featuring an 8" mid-woofer. By Jon Mark Hancock

PHASE INVERTER DESIGN 
This author shares some refinements to the traditional phase inverter circuit for improved performance. By Adrian Hammer

BOOK REVIEW
Pro Audio Reference

SHOWCASE
Building Rozenblit`s 80W OTL

NEW CHIP ON THE BLOCK
TI 1934a-2000, TSB43CA43A, and AD 1896

  • KEY TOPICS
  • 20W SE mosfet amp
  • Tube xovers
  • Centre channel speaker
  • ABCs of Filters
  • Phase inverter design
  • Strange 2 way design
  • BOOK SPECIFICATION
  • paperback
  • black and white print
  • 72 pages
  • 205mm x 267mm
  • 170g

Price; £5.50 +p&p

 

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