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audioXpress audioXpress: December 2003, vol.34, No.12


audioXpress December 2003 issue

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CONTENTS - WEB REPRESENTATION OF CONTENTS PAGE

BUILD A BOOSTED TRIODE AMPLIFIER
Here`s a clever circuit design that boosts the output power of a SE triode connected 6L6 or 807. By Larry Lisle

8
A HEDGEMAN SUBWOOFER
This slightly different approach to good bass reproduction revives a 35 year old design. By Cornelius Morton

12
CONSIDERING NEGATIVE FEEDBACK: OP AMP SIMULATION OF A TUBE AMP FEEDBACK LOOP
The author presents a tube amp simulation that investiages feedback effects. Bt Dennis Colin

24
MAKING YOUR OWN RUBBER SURROUND
Follow this DIY approach to extending the life of your speaker, and even improve speaker response. By Angel Luis Rivera

30
WHY SPEAKERS HAVE SLANTED FRONTS, PART 1
We begin an interesting series that examines the advantages of tipped front panels and how to design your own. By G.R. Koonce

38
ADCOM`S GFP-565 PRE-AMPLIFIER, PART 2
The author continues with this modifications-showing you how to improve the sound of this classic preamp. By Gary Galo

42
ONKYO DV-SP800
A look at the features of this new audio player that handles both DVD-Audio and SACD formats. Reviewed bt Gary Galo.

52
EDITORIAL
A look back on 35 years of publishing

6
INDEX
This past year`s articles arranged by category and author

64
GLASS SHARD
four unusual Electro-voice amps.

69
ALSO IN THIS ISSUE
Xpress mail (readers speak out), Classifieds, Ad index, Yard sale

 

"The above is reprinted, with permission, from Audio Amateur: audioXpress December 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
  • Adcom`s GFP-565 upgrade
  • Slanted front speakers
  • making rubber surround
  • subwoofer
  • boosted triode connected amps
  • Onkyo DV-SP800
  • BOOK SPECIFICATION
  • paperback
  • black and white print
  • 72 pages
  • 205mm x 267mm
  • 170g
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