<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.7.0">
<drawing>
<board>
<plain>
<wire x1="0" y1="0" x2="33.782" y2="0" width="0" layer="20"/>
<wire x1="33.782" y1="0" x2="33.782" y2="33.401" width="0" layer="20"/>
<wire x1="33.782" y1="33.401" x2="0" y2="33.401" width="0" layer="20"/>
<wire x1="0" y1="33.401" x2="0" y2="0" width="0" layer="20"/>
<text>IN</text>
<text>LED</text>
<text>V3</text>
<text>V1</text>
<text>GND</text>
<text>GND</text>
<text>9v</text>
<text>KO Amps Wax Harmonic 
v1.0 2021</text>
</plain>
<libraries>
<library name="capacitors-film">
<packages>
<package name="BOX_SMALL">
</package>
<package name="050X030_025">
<description>&lt;b&gt;5mm x 3mm, 2.5mm lead spacing
&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="capacitors-elec">
<packages>
<package name="050_020_1">
<description>&lt;b&gt;5mm diameter, 2mm lead spacing, 0.1" pad spacing&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="diodes">
<packages>
<package name="DO35-2">
<description>&lt;b&gt;DO-35 0.2" pad spacing&lt;/b&gt;</description>
</package>
<package name="DO41-3">
<description>&lt;b&gt;DO-41 0.3" pad spacing&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="potentiometers">
<packages>
<package name="16MM">
<description>&lt;b&gt;Potentiometer&lt;/b&gt;
&lt;p&gt;potentiometer for showing off-board connections</description>
</package>
<package name="CHEAP_TRIM">
<description>&lt;b&gt;Potentiometer&lt;/b&gt;&lt;p&gt;
1/4" on-board trim potentiometer</description>
</package>
</packages>
</library>
<library name="transistors">
<packages>
<package name="TO5">
<description>&lt;b&gt;TO-5&lt;/b&gt;</description>
</package>
<package name="TO92-">
</package>
</packages>
</library>
<library name="resistors">
<packages>
<package name="R0207/3">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;br&gt;
&lt;br&gt;
length: 6mm&lt;br&gt;
format: 0.1" (perfboard)&lt;br&gt;
spacing: 3 holes

&lt;p&gt;This length resistor applies to 1/4 watt metal film.</description>
</package>
</packages>
</library>
<library name="supply pins">
<packages>
<package name="UNLABELED">
</package>
<package name="GROUND">
<description>Square shaped GROUND pad</description>
</package>
<package name="OCTO">
<description>Octogon shaped IN pad</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="C1" library="capacitors-film" package="BOX_SMALL" value="4n7"/>
<element name="C2" library="capacitors-film" package="BOX_SMALL" value="220n"/>
<element name="C3" library="capacitors-film" package="BOX_SMALL" value="100n"/>
<element name="C4" library="capacitors-film" package="BOX_SMALL" value="1n"/>
<element name="C5" library="capacitors-film" package="050X030_025" value="100p">
<attribute name="NAME"/>
</element>
<element name="C6" library="capacitors-elec" package="050_020_1" value="2.2uf"/>
<element name="C7" library="capacitors-elec" package="050_020_1" value="47uf"/>
<element name="C8" library="capacitors-elec" package="050_020_1" value="100uf"/>
<element name="D1" library="diodes" package="DO35-2" value="1n914"/>
<element name="D2" library="diodes" package="DO35-2" value="1n914"/>
<element name="D3" library="diodes" package="DO41-3" value="1n5819"/>
<element name="GAIN" library="potentiometers" package="16MM" value="100ka">
<attribute name="NAME"/>
</element>
<element name="BASS" library="potentiometers" package="16MM" value="500kc">
<attribute name="NAME"/>
</element>
<element name="BIAS" library="potentiometers" package="CHEAP_TRIM" value="1M">
<attribute name="NAME"/>
</element>
<element name="OSCILLATION" library="potentiometers" package="CHEAP_TRIM" value="1M">
<attribute name="NAME"/>
</element>
<element name="Q1" library="transistors" package="TO5" value="2N1305"/>
<element name="Q2" library="transistors" package="TO92-" value="2N3904"/>
<element name="R1" library="resistors" package="R0207/3" value="22k"/>
<element name="R2" library="resistors" package="R0207/3" value="100k"/>
<element name="R3" library="resistors" package="R0207/3" value="91k"/>
<element name="R4" library="resistors" package="R0207/3" value="100k"/>
<element name="R5" library="resistors" package="R0207/3" value="4.7k"/>
<element name="R6" library="resistors" package="R0207/3" value="led"/>
<element name="U$1" library="supply pins" package="UNLABELED" value="9v"/>
<element name="U$2" library="supply pins" package="UNLABELED" value="ROUNDPAD"/>
<element name="U$4" library="supply pins" package="GROUND" value="vol1"/>
<element name="U$5" library="supply pins" package="GROUND" value="gn"/>
<element name="U$6" library="supply pins" package="GROUND" value="gnd"/>
<element name="U$7" library="supply pins" package="OCTO" value="OCTOPAD"/>
<element name="U$8" library="supply pins" package="OCTO" value="vol3"/>
</elements>
<signals>
<signal name="GND">
<contactref element="U$5" pad="P$1"/>
<contactref element="U$6" pad="P$1"/>
<contactref element="C8" pad="-"/>
<contactref element="C7" pad="-"/>
<contactref element="R1" pad="1"/>
<contactref element="C4" pad="1"/>
<contactref element="C5" pad="2"/>
<contactref element="GAIN" pad="1"/>
<contactref element="D2" pad="A"/>
<contactref element="D1" pad="C"/>
<contactref element="U$4" pad="P$1"/>
</signal>
<signal name="N$1">
<contactref element="U$2" pad="P$1"/>
<contactref element="R6" pad="1"/>
</signal>
<signal name="N$2">
<contactref element="D3" pad="A"/>
<contactref element="U$1" pad="P$1"/>
</signal>
<signal name="N$3">
<contactref element="D3" pad="C"/>
<contactref element="R6" pad="2"/>
<contactref element="C8" pad="+"/>
<contactref element="R3" pad="1"/>
</signal>
<signal name="N$4">
<contactref element="R3" pad="2"/>
<contactref element="Q2" pad="1"/>
<contactref element="C3" pad="1"/>
<contactref element="OSCILLATION" pad="2"/>
<contactref element="OSCILLATION" pad="1"/>
</signal>
<signal name="N$5">
<contactref element="Q2" pad="3"/>
<contactref element="Q1" pad="1"/>
<contactref element="C7" pad="+"/>
</signal>
<signal name="N$7">
<contactref element="Q1" pad="3"/>
<contactref element="R1" pad="2"/>
<contactref element="R2" pad="1"/>
<contactref element="C4" pad="2"/>
<contactref element="C6" pad="-"/>
</signal>
<signal name="N$9">
<contactref element="Q1" pad="2"/>
<contactref element="C1" pad="1"/>
<contactref element="BASS" pad="2"/>
<contactref element="BASS" pad="1"/>
<contactref element="BIAS" pad="2"/>
<contactref element="BIAS" pad="1"/>
</signal>
<signal name="N$8">
<contactref element="C6" pad="+"/>
<contactref element="R4" pad="2"/>
<contactref element="Q2" pad="2"/>
</signal>
<signal name="N$11">
<contactref element="BASS" pad="3"/>
<contactref element="C2" pad="1"/>
</signal>
<signal name="N$12">
<contactref element="GAIN" pad="3"/>
<contactref element="U$7" pad="P$1"/>
</signal>
<signal name="N$13">
<contactref element="GAIN" pad="2"/>
<contactref element="C1" pad="2"/>
<contactref element="C2" pad="2"/>
<contactref element="C5" pad="1"/>
</signal>
<signal name="N$15">
<contactref element="R5" pad="1"/>
<contactref element="D1" pad="A"/>
</signal>
<signal name="N$10">
<contactref element="BIAS" pad="3"/>
<contactref element="R2" pad="2"/>
</signal>
<signal name="N$17">
<contactref element="OSCILLATION" pad="3"/>
<contactref element="R4" pad="1"/>
</signal>
<signal name="N$6">
<contactref element="D2" pad="C"/>
<contactref element="C3" pad="2"/>
<contactref element="R5" pad="2"/>
<contactref element="U$8" pad="P$1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
