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audioXpress audioXpress: January 2003, vol.34, No.1


audioXpress August 2003 issue

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CONTENTS - WEB REPRESENTATION OF CONTENTS PAGE

A SIMPLE, HIGH QUALITY AM TUBE RECEIVER
Tune in to clean, quality sound with this easy-to-build tube-based AM receiver. By Scott K. Reynolds

6
EXTENDING THE 30" TRACTRIX HORN
Experience the high-efficiency sound of horn loudspeakers with this detailed construction project. By Robert Roggeveen

20
IMPROVING DYNACO'S FM-5 AND AF-6 TUNERS
Here's a modification to the power supply to enhance the perfor- mance of your Dynaco tuner. By Daniel Dufresne

28
ALPHA TRANSMISSION LINES
An interesting look at transmission-line construction, with details on how to build your own unit. By Rick Schultz

34
SYSTEM POWER CONTROL
Here's a simple circuit to control the on/off sequence of your audio system. By Franks. Thomas III By Gary Galo

46
BUILD A REACTIVE LOAD
Audio constructors will enjoy building this simple load box design to test power amps. By Dick Crawford

48
CARE AND MAINTENANCE OF DUKANE IONOVAC TWEETERS
Here's a guide to restoring classic high-frequency speakers which include no moving parts....only the air itself. By Daniel Schoo

50
SHOWCASE
An Italian THOR by Atto Rinaldo

58
NEW CHIP ON THE BLOCK
AKM AK4395 and AK4554

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 August 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
  • AM tube receiver
  • Extending the 30" tratrix horn
  • Dynaco`s FM-5 and AF-6 mods
  • Alpha T lines
  • Build a reactive load
  • BOOK SPECIFICATION
  • paperback
  • black and white print
  • 72 pages
  • 205mm x 267mm
  • 170g
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