homepage
books homepage    valve articles    valve projects    valve theory    valve data/history    loudspeaker    solid state    audio   
CONTENTS PAGE Valve Project Books: An Approach to Audio Frequency Amplifier Design
read the book write-up  BOOK WRITE-UP

An Approach to Audio Frequency Amplifier Design

to the shop
click for bigger book pic   BOOK CODE 2001
CONTENTS - WEB REPRESENTATION OF CONTENTS PAGE
CHAPTER 1
THE DESIGN OF AN AUDIO FREQUENCY AMPLIFIER
THE OUTPUT STAGE
Major Design Features
The Output Stage of a Domestic Amplifier
The Output Stage of a Public Address Amplifier
Output Stages for d.c./a.c. Amplifiers
Matching of Valves in Triode and Ultra-Linear Circuits
Recommended Precautions in Output Stage Design
THE INPUT STAGE
Design Requirements
THE INTERMEDIATE STAGES
Some Typical Intermediate Stage Circuits
THE POWER SUPPLY
Power Supply Categories

CHAPTER 2
A S-WATT JUNIOR AMPLIFIER

CHAPTER 3
AMPLIFIERS OF 12 TO 14 WATTS
A 14W Ultra-Linear Amplifier
A 14W d.c./a.c. Amplifier

CHAPTER 4
AMPLIFIERS OF 15 TO 30 WATTS
KT66 Triode Amplifier
Two 30W Ultra-Linear Amplifiers
A 25W d.c./a.c. Amplifier

CHAPTER 5
AMPLIFIERS OF 50 TO 100 WATTS
Comparison of KT66 and KT88
KT88 50W Ultra-Linear Amplifier
KT55 50W Fixed Bias Ultra-Linear Amplifier
KT88 100W Fixed Bias Ultra-Linear Amplifier

CHAPTER 6
CLASS B AMPLIFIERS OF 175 TO 200 WATTS
DA42 175W Amplifier
DA42 200W Amplifier

CHAPTER 7
CLASS AB AMPLIFIERS OF 100 TO 300 WATTS
DA100 115-175W Class AB1 Amplifier
DA100 200-270W Class AB2 Amplifier

CHAPTER 8
CLASS AB AMPLIFIERS OF 300 TO 1100 WATTS
V1505 300-450W Class AB1 Amplifier
V1505 600-1100W Class AB2 Amplifier
Quiescent Current in AB1 and AB2
Protection Against Bias Failure

CHAPTER 9
PRE-AMPLIFIERS AND TONE CONTROL
The Purpose of a Pre-Amplifier
Pre-Amplifier Circuit No. 1
Pre-Amplifier Circuit No. 2

APPENDIX A
MULTIPLE-PAIR PUSH-PULL AMPLIFIERS

APPENDIX B
OUTPUT TRANSFORMERS AND STABILISATION

APPENDIX C
VALVE RATINGS AND CHARACTERISTICS

APPENDIX D
ABBREVIATIONS



1
1
1
2
4
7
7
9
11
11
12
12
16
16


20


25
25
33


37
37
40
44


51
51
53
56
60


65
65
72


77
77
82


86
86
92
96
96


97
97
100
102


112


119


122


126


"The above is reprinted, with permission, from Audio Amateur: An Approach to Audio Frequency Amplifier Design, 1994. © Copyright 1994 by Audio Amateur Corporation. P.O. Box 876, Peterborough, NH 03458, USA. All rights reserved."

PRICE excluding carriage:   UK / EUROPE / REST of WORLD - £17.00
  • KEY TOPICS
  • LN309 5w push-pull amp
  • N709 14w UL push-pull amp
  • KT33C 14w push-pull amp
  • KT66 Williamson amp
  • KT88 30w amp
  • KT88 50w amp
  • KT55 50w push-pull amp
  • DA42 175w push-pull amp
  • DA42 175w push-pull amp
  • DA100 200w push-pull amp
  • V1505 300w push-pull amp
  • pre-amplifier
  • BOOK SPECIFICATION
  • paperback
  • black and white print
  • 126 pages
  • 150mm x 228mm
  • 280g
    homepage   site map   kits   components   magazines   books   accessories   upgrades   shop   about us   contact us  
Valid CSS!     Valid XHTML 1.0!