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


audioXpress September 2003 issue

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CONTENTS - WEB REPRESENTATION OF CONTENTS PAGE

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

6
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

16
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

24
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

34
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

38
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

46
PHASE INVERTER DESIGN
This author shares some refinements to the traditional phase inverter circuit for improved performance. By Adrian Hammer

56
BOOK REVIEW
Pro Audio Reference

60
SHOWCASE
Building Rozenblit`s 80W OTL

69
NEW CHIP ON THE BLOCK
TI 1934a-2000, TSB43CA43A, and AD 1896

72
ALSO IN THIS ISSUE
Xpress mail (readers speak out), Classifieds, Ad index, Yard sale

 

"The above is reprinted, with permission, from Audio Amateur: audioXpress September 2003 issue. © Copyright 2003 by Audio Amateur Corporation. P.O. Box 876, Peterborough, NH 03458, USA. All rights reserved."

PRICE excluding carriage:   UK / EUROPE / REST of WORLD - £5.50
  • 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
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