Copyright © 2019 ANK Audio Kits
www.AudioNoteKits.com
audionotekits@rogers.com
Page 2
Table of Contents
Section 1 — Introduction ………………………………………….……………….…………………… 6
1.1 About ANK Audio Kits ……………………………………………..………………………….…….….…….……… 7
1.2 Basic Operation of the Amplifier……………................…………………….…………………....…….……… 8
1.2.1 Overview ………………………………….……………………………………………....…….……… 8
1.2.2 Component Placement ………………………………….……..…………………………..…….……… 9
1.2.3 300B Pinout ………………………………………………………………………….……….…….……… 10
1.3 Equipment ……………………………..……………………………………………………………….…..….……… 11
1.3.1 Overview of the Kit ……………………………………………………….…………..……………… 11
1.4 Tips and Suggestions …………………………………………………….………….……………….………...…… 11
1.4.1 Soldering …………………………………………………….……….………………..….………….… 11
1.4.2 Components ……………………….…………………………….……………………………..…….….… 12
1.4.3 Resistor Sizes ……………………………………………….……….………………….……….…….….… 12
1.4.4 Capacitor Manufacturers and Voltage Ratings …………………………………..…….… 12
1.4.5 Electrolytic Capacitors ………………………………………………………………………...………… 12
1.4.6 Diodes ………………………………………….……………………………..…………………………………… 13
1.4.7 Hardware/Mechanical …………………………………………………………………………………… 13
1.4.8 Wire Stripping and Tinning ……………………………………………………………………… 13
1.4.9 Wire Color ……………………………………………………..……………….………………………… 14
1.4.10 Optional Finishing Touches …………………………..……………….……………………….… 14
1.5 Build Process …………………………………………………………………………….………………….…..………… 14
1.5.1 Some Good Rules of Thumb for Building Your Amplifier ………………………….…… 14
1.5.2 Organization of this Manual ……………………………………………………….…..…….…… 15
1.5.3 Electrical Safety Warning …………………………………….……………………...………… 17
Section 2 — Mechanical Assembly and Initial Power Supply Wiring …………….… 18
2.1 Overview …………………………………………………………………………………..….………..………...…… 18
2.2 Installing the Feet ……………………………………………………………………..….………..………...…… 19
2.3 Installing the IEC Socket and Rocker Switch …………………………………….………..….….…… 21
2.4 Installing the Speaker Posts ………………………………………………………………….……..….….…… 22
2.5 Installing the RCA Jacks …………………………………………………………………….…..….….…… 23
2.6 Installing the Chassis Ground Screw …………………………………………………………...….….…… 24
2.7 Installing the Mains Transformer ……………………..………………………………………..….…… 25
2.8 Bundling the Mains Wires …………………………...................…………………………..…….…..…… 27
2.9 Preparing the Mains Ground Wire ……................................…………………….…………….…… 28
2.10 IEC PCB Wiring …………................................................................……………………………….…...…….…… 30
2.11 Connecting and Mounting the IEC Board ………….................…………………………………...…….…… 33
2.12 Installing the Choke ……………………………………………………………………………………....…….…… 35
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