The All American Five Radio: Understanding and Restoring Transformerless Radios of the 1940's, 50's, and 60's

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Sonoran Publishing, 2003 - Antiques & Collectibles - 92 pages
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This is a short book (96 pages officially—really 92) but it's no-nonsense. McWhorter chooses a 1950 RCA 9X561, an early All American Five (AA5), and discusses how and why it works. He breaks down the radio into discrete stages and discusses each separately. The entire focus is on this single radio—with the idea that if you understand this one, you can figure out the minor variations in other AA5s.
The book assumes no prior knowledge of electronics, so a chunk of the book at the beginning is devoted to the very basics: what is voltage, current, resistance, Ohm's law, how a capacitor works, and so on. Obviously at 92 pages you're not going to get a through education, but it's enough to get you by. The idea is teach someone enough to fix this radio (if it isn't too far gone) without having to go through a full radio course. From that respect it's good; it's simply written and it's heavily illustrated. But its brevity means there's a lot of stuff left out: actual "repair" info is thin, and common fixes like what to about a slipping dial cord or how to align the receiver aren't mentioned at all. The book is mainly about understanding how it works, with a modicum of repair info added.
I'm luke-warm on it. It's good for what it is, but I would have like to have seen a lot more in the repair and restoration department. I think this same author's book, "The Vacuum Tube Short Wave Radio," is far better.
 

Contents

Introduction
v
The Basics
1
The Power Supply
19
Coils Transformers Triodes
29
Audio Amplifier
37
Detector
43
IF Amplifier
51
Converter Mixer
61
Evaluating Repairing
67
Tools Testing
75
Appendix
81
Glossary
87
Index
91
Copyright

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