Audio Note AN-K User Manual

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 1 Manual Version 1.1 - August 2009

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 10 Now let’s deal with the green wire coming out o

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 11 The IEC section is now complete. The picture opposi

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 12 Section 3: Power Supply Board Construction Here are th

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 13 The next job is to install the Electrolytic Capacitors

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 14 Section 4: Choke Installation and HT Wiring Here is ho

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 15 Finally, bring the triple braided wire down the length

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 16 Section 5: ECF80 Driver Board Construction In this sect

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 17 Parts List Quantity Value Designator Description

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 18 Here is a reference picture of the unpopulated b

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 19 Installing the Resistors Install the resistors into t

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 2 Table of Contents Section1: Introduction ...

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 20 Installing the Capacitors First, install the two

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 21 Finally, insert the 470uF 16v electrolytic capac

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 22 Section 6: EL34 Hardwired Section In this section w

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 23 Parts List Quantity Value Description 2 250R 9W

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 24 Position the 2x 250 ohm resistors on the board

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 25 Install the two 10R resistors into position. Th

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 26 Start by taking the Negative side of the capac

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 27 Now you can install the 47pf capacitor into position

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 28 Use some red PTFE wire to connect pin 4 of one valve b

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 29 Then you can twist these wires slightly and connect to

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 3 Section1: Introduction Thanks for purchasing the Aud

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 30 Section 7: Layout Recap In this short section, we are g

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 31 Section 8: EL34 Board Filament Hook-Up Now that we have

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 32 Repeat the step for the outer hardwired board-

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 33 Section 9: EL34 Board To Output Transformer Wiring In

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 34 Strip the ends of the red and black twisted and then t

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 35 Section 10: HT and GND Connections to EL34 Board Befor

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 36 Now do the same thing but with 2 black wires – these

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 37 Section 11: Speaker Post Connections Move the output

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 38 If you check the EL34 schematic you will see that we

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 39 Here we are placing the assembly onto the spea

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 4 Component Placement Breakdown

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 40 Solder the yellow wire into TAG position 1 – this is

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 41 Section 12: Driver Board Filament Hook-up EXPLANATION:

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 42 Where the orange wire (from FIL_DC) connects to t

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 43 Section 13: ECF80 to EL34 Board Interconnections We a

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 44 Here you can see we have made the COMP connec

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 45 Let’s have a short lesson on using an OHM meter which

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 46 Section 14: RCA Connections and Final Earth One of our

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 47 The cable should be laid down the center of the amplif

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 48 Now it’s safe to say that you have completed all th

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 49 Section 15: Powering On and Testing Installing the FUSE

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 5 Electrical Safety Warning There are sufficient volt

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 50 Appendix The appendix contains auxiliary information. T

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 51 Resistor Color Code Reference You can also find an &

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 52 Mains Transformer Windings Diagram

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 53 Power Supply Board Schematic

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 54 Driver Board Schematic

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 55 Output Board Schematic

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 56 Output Section Hardwiring Diagram

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 57 General Wiring Diagram

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 58 Full Schematic

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 6 Section 2: First Steps In this beginning section we will

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 7 IEC Section Installation Let’s install the input A

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 8 Place the Mains transformer carefully over top.

Copyright © 2006-2009 AudioNote Kits www.AudioNoteKits.com [email protected] Page 9 Remember, the following example shows how to wire for 12