<?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="33.7693" y2="0" width="0" layer="20"/>
<wire x1="33.7693" y1="0" x2="33.7693" y2="27.6125" width="0" layer="20"/>
<wire x1="33.7693" y1="27.6125" x2="0" y2="27.6125" width="0" layer="20"/>
<wire x1="0" y1="27.6125" x2="0" y2="0" width="0" layer="20"/>
<text>IN</text>
<text>GND</text>
<text>9-18v</text>
<text>V3</text>
<text>V1</text>
<text>LED</text>
<text>GND</text>
<text>KO Amps Boost 
V1.0 2021</text>
</plain>
<libraries>
<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>
</packages>
</library>
<library name="capacitors-film">
<packages>
<package name="050X030_025">
<description>&lt;b&gt;5mm x 3mm, 2.5mm lead spacing
&lt;/b&gt;</description>
</package>
<package name="050X030_025_2">
<description>&lt;b&gt;5mm x 3mm, 0.2" pad 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="DO41-3">
<description>&lt;b&gt;DO-41 0.3" pad spacing&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="supply pins">
<packages>
<package name="GROUND">
<description>Square shaped GROUND pad</description>
</package>
<package name="OCTO">
<description>Octogon shaped IN pad</description>
</package>
<package name="UNLABELED">
</package>
</packages>
</library>
<library name="transistors">
<packages>
<package name="TO5">
<description>&lt;b&gt;TO-5&lt;/b&gt;</description>
</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>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="BASS" library="potentiometers" package="16MM" value="500kc">
<attribute name="NAME"/>
</element>
<element name="C1" library="capacitors-film" package="050X030_025" value="47p">
<attribute name="NAME"/>
</element>
<element name="C2" library="capacitors-film" package="050X030_025_2" value="3n3"/>
<element name="C3" library="capacitors-film" package="050X030_025_2" value="68n"/>
<element name="C4" library="capacitors-film" package="050X030_025_2" value="10n"/>
<element name="C5" library="capacitors-film" package="050X030_025_2" value="1n"/>
<element name="C6" library="capacitors-elec" package="050_020_1" value="100uf"/>
<element name="C7" library="capacitors-elec" package="050_020_1" value="10uf"/>
<element name="C8" library="capacitors-elec" package="050_020_1" value="47uf"/>
<element name="D1" library="diodes" package="DO41-3" value="1n5819"/>
<element name="GAIN" library="potentiometers" package="16MM" value="1kb">
<attribute name="NAME"/>
</element>
<element name="GD" library="supply pins" package="GROUND" value="SQUAREPAD"/>
<element name="GND" library="supply pins" package="GROUND" value="SQUAREPAD"/>
<element name="IN" library="supply pins" package="OCTO" value="OCTOPAD"/>
<element name="LED" library="supply pins" package="UNLABELED" value="ROUNDPAD"/>
<element name="Q1" library="transistors" package="TO5" value="2N1305"/>
<element name="R1" library="resistors" package="R0207/3" value="1M"/>
<element name="R2" library="resistors" package="R0207/3" value="220k"/>
<element name="R3" library="resistors" package="R0207/3" value="82k"/>
<element name="R4" library="resistors" package="R0207/3" value="8.2k"/>
<element name="R5" library="resistors" package="R0207/3" value="10k"/>
<element name="R6" library="resistors" package="R0207/3" value="100R"/>
<element name="R7" library="resistors" package="R0207/3" value="led"/>
<element name="V1" library="supply pins" package="GROUND" value="SQUAREPAD"/>
<element name="V3" library="supply pins" package="OCTO" value="OCTOPAD"/>
<element name="9V" library="supply pins" package="UNLABELED" value="9v"/>
</elements>
<signals>
<signal name="N$1">
<contactref element="Q1" pad="3"/>
<contactref element="R5" pad="1"/>
<contactref element="C1" pad="1"/>
<contactref element="C4" pad="2"/>
</signal>
<signal name="N$2">
<contactref element="Q1" pad="1"/>
<contactref element="R4" pad="2"/>
<contactref element="C8" pad="+"/>
</signal>
<signal name="N$3">
<contactref element="Q1" pad="2"/>
<contactref element="C2" pad="1"/>
<contactref element="C1" pad="2"/>
<contactref element="R2" pad="1"/>
<contactref element="C3" pad="1"/>
<contactref element="R3" pad="2"/>
</signal>
<signal name="GND">
<contactref element="R1" pad="1"/>
<contactref element="C5" pad="2"/>
<contactref element="R3" pad="1"/>
<contactref element="R4" pad="1"/>
<contactref element="C6" pad="-"/>
<contactref element="C7" pad="-"/>
<contactref element="V1" pad="P$1"/>
<contactref element="GND" pad="P$1"/>
<contactref element="GAIN" pad="1"/>
<contactref element="GAIN" pad="2"/>
<contactref element="GD" pad="P$1"/>
</signal>
<signal name="N$4">
<contactref element="C2" pad="2"/>
<contactref element="IN" pad="P$1"/>
<contactref element="BASS" pad="3"/>
<contactref element="R1" pad="2"/>
<contactref element="C5" pad="1"/>
</signal>
<signal name="N$5">
<contactref element="C4" pad="1"/>
<contactref element="V3" pad="P$1"/>
</signal>
<signal name="N$6">
<contactref element="R7" pad="1"/>
<contactref element="LED" pad="P$1"/>
</signal>
<signal name="N$7">
<contactref element="C8" pad="-"/>
<contactref element="GAIN" pad="3"/>
</signal>
<signal name="N$9">
<contactref element="BASS" pad="1"/>
<contactref element="C3" pad="2"/>
<contactref element="BASS" pad="2"/>
</signal>
<signal name="N$10">
<contactref element="D1" pad="C"/>
<contactref element="R6" pad="2"/>
<contactref element="C6" pad="+"/>
</signal>
<signal name="N$11">
<contactref element="R6" pad="1"/>
<contactref element="C7" pad="+"/>
<contactref element="R2" pad="2"/>
<contactref element="R5" pad="2"/>
<contactref element="R7" pad="2"/>
</signal>
<signal name="N$8">
<contactref element="D1" pad="A"/>
<contactref element="9V" pad="P$1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
