<?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="55.55" y2="0" width="0" layer="20"/>
<wire x1="55.55" y1="0" x2="55.55" y2="56.505" width="0" layer="20"/>
<wire x1="55.55" y1="56.505" x2="0" y2="56.505" width="0" layer="20"/>
<wire x1="0" y1="56.505" x2="0" y2="0" width="0" layer="20"/>
<text>KO Amps Xiphos OD
v1.0 2020</text>
<text>IN</text>
<text>BUF</text>
<text>OUT</text>
<text>DIO</text>
<text>GND</text>
<text>LED</text>
</plain>
<libraries>
<library name="capacitors-film">
<packages>
<package name="BOX_BIG">
</package>
<package name="BOX_SMALL">
</package>
<package name="BOX_MED">
</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="DO35-4">
<description>&lt;B&gt;DO-35 0.4" 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_DUAL">
</package>
<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="integrated circuits">
<packages>
<package name="DIL08">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="supply pins">
<packages>
<package name="OCTO">
<description>Octogon shaped IN pad</description>
</package>
<package name="UNLABELED">
</package>
<package name="GROUND">
<description>Square shaped GROUND pad</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="C1" library="capacitors-film" package="BOX_SMALL" value="100n"/>
<element name="C10" library="capacitors-film" package="BOX_BIG" value="1uf"/>
<element name="C11" library="capacitors-film" package="BOX_SMALL" value="2n2"/>
<element name="C12" library="capacitors-film" package="BOX_SMALL" value="27n"/>
<element name="C13" library="capacitors-film" package="050X030_025" value="820p"/>
<element name="C14" library="capacitors-film" package="BOX_SMALL" value="3n9"/>
<element name="C15" library="capacitors-film" package="BOX_BIG" value="1uf"/>
<element name="C16" library="capacitors-elec" package="050_020_1" value="4.7uf"/>
<element name="C17" library="capacitors-elec" package="050_020_1" value="100uf"/>
<element name="C18" library="capacitors-elec" package="050_020_1" value="10uf"/>
<element name="C19" library="capacitors-elec" package="050_020_1" value="10uf"/>
<element name="C2" library="capacitors-film" package="BOX_SMALL" value="100n"/>
<element name="C3" library="capacitors-film" package="BOX_SMALL" value="68n"/>
<element name="C4" library="capacitors-film" package="BOX_MED" value="390n"/>
<element name="C5" library="capacitors-film" package="BOX_SMALL" value="68n"/>
<element name="C6" library="capacitors-film" package="BOX_BIG" value="1uf"/>
<element name="C7" library="capacitors-film" package="BOX_SMALL" value="100n"/>
<element name="C8" library="capacitors-film" package="050X030_025" value="390p">
<attribute name="NAME"/>
</element>
<element name="C9" library="capacitors-film" package="BOX_BIG" value="1uf"/>
<element name="D1" library="diodes" package="DO35-4" value="1N34A"/>
<element name="D2" library="diodes" package="DO35-4" value="1N34A"/>
<element name="D3" library="diodes" package="DO41-3" value="1N5817"/>
<element name="D4" library="diodes" package="DO41-3" value="12v"/>
<element name="GAIN" library="potentiometers" package="16MM_DUAL" value="100KB"/>
<element name="IC1" library="integrated circuits" package="DIL08" value="LM1458"/>
<element name="IC2" library="integrated circuits" package="DIL08" value="OPA2134"/>
<element name="IC3" library="integrated circuits" package="DIL08" value="7660s"/>
<element name="IN" library="supply pins" package="OCTO" value="IN"/>
<element name="R1" library="resistors" package="R0207/3" value="2.2M"/>
<element name="R10" library="resistors" package="R0207/3" value="2K"/>
<element name="R11" library="resistors" package="R0207/3" value="15K"/>
<element name="R12" library="resistors" package="R0207/3" value="430K"/>
<element name="R13" library="resistors" package="R0207/3" value="1K"/>
<element name="R14" library="resistors" package="R0207/3" value="47k"/>
<element name="R15" library="resistors" package="R0207/3" value="12k"/>
<element name="R16" library="resistors" package="R0207/3" value="22k"/>
<element name="R17" library="resistors" package="R0207/3" value="390K"/>
<element name="R18" library="resistors" package="R0207/3" value="4.7K"/>
<element name="R19" library="resistors" package="R0207/3" value="100K"/>
<element name="R2" library="resistors" package="R0207/3" value="1K"/>
<element name="R20" library="resistors" package="R0207/3" value="100K"/>
<element name="R21" library="resistors" package="R0207/3" value="1.8k"/>
<element name="R22" library="resistors" package="R0207/3" value="470R"/>
<element name="R23" library="resistors" package="R0207/3" value="100K"/>
<element name="R24" library="resistors" package="R0207/3" value="470R"/>
<element name="R25" library="resistors" package="R0207/3" value="27R"/>
<element name="R26" library="resistors" package="R0207/3" value="27k"/>
<element name="R27" library="resistors" package="R0207/3" value="LED"/>
<element name="R3" library="resistors" package="R0207/3" value="1M"/>
<element name="R4" library="resistors" package="R0207/3" value="5.1K"/>
<element name="R5" library="resistors" package="R0207/3" value="1.5k"/>
<element name="R6" library="resistors" package="R0207/3" value="1K"/>
<element name="R7" library="resistors" package="R0207/3" value="10K"/>
<element name="R8" library="resistors" package="R0207/3" value="1.5K"/>
<element name="R9" library="resistors" package="R0207/3" value="15K"/>
<element name="TONE" library="potentiometers" package="16MM" value="10KB"/>
<element name="U$2" library="supply pins" package="OCTO" value="OUT"/>
<element name="U$3" library="supply pins" package="UNLABELED" value="ROUNDPAD"/>
<element name="U$4" library="supply pins" package="UNLABELED" value="ROUNDPAD"/>
<element name="U$5" library="supply pins" package="GROUND" value="SQUAREPAD"/>
<element name="U$6" library="supply pins" package="GROUND" value="SQUAREPAD"/>
<element name="U$7" library="supply pins" package="UNLABELED" value="ROUNDPAD"/>
<element name="U$8" library="supply pins" package="UNLABELED" value="ROUNDPAD"/>
<element name="VOLUME" library="potentiometers" package="16MM" value="10KA">
<attribute name="NAME"/>
<attribute name="NAME"/>
</element>
<element name="C20" library="capacitors-film" package="050X030_025" value="220p">
<attribute name="NAME"/>
</element>
<element name="C21" library="capacitors-film" package="BOX_BIG" value="1uf"/>
</elements>
<signals>
<signal name="N$1">
<contactref element="IN" pad="P$1"/>
<contactref element="R2" pad="2"/>
<contactref element="R1" pad="2"/>
</signal>
<signal name="N$2">
<contactref element="R2" pad="1"/>
<contactref element="C1" pad="2"/>
<contactref element="C20" pad="1"/>
</signal>
<signal name="N$3">
<contactref element="C1" pad="1"/>
<contactref element="IC1" pad="3"/>
<contactref element="R3" pad="1"/>
</signal>
<signal name="N$5">
<contactref element="C3" pad="2"/>
<contactref element="C4" pad="1"/>
<contactref element="R4" pad="2"/>
<contactref element="R5" pad="1"/>
<contactref element="GAIN" pad="1"/>
</signal>
<signal name="N$7">
<contactref element="C4" pad="2"/>
<contactref element="R6" pad="1"/>
</signal>
<signal name="N$6">
<contactref element="C5" pad="1"/>
<contactref element="R7" pad="1"/>
<contactref element="C2" pad="1"/>
<contactref element="R8" pad="1"/>
</signal>
<signal name="N$9">
<contactref element="IC1" pad="5"/>
<contactref element="C5" pad="2"/>
<contactref element="R7" pad="2"/>
<contactref element="GAIN" pad="4"/>
</signal>
<signal name="N$11">
<contactref element="R10" pad="1"/>
<contactref element="C7" pad="2"/>
<contactref element="R11" pad="2"/>
</signal>
<signal name="N$12">
<contactref element="R11" pad="1"/>
<contactref element="C7" pad="1"/>
<contactref element="IC1" pad="6"/>
<contactref element="R12" pad="1"/>
<contactref element="C8" pad="2"/>
</signal>
<signal name="N$13">
<contactref element="C8" pad="1"/>
<contactref element="IC1" pad="7"/>
<contactref element="R12" pad="2"/>
<contactref element="C9" pad="2"/>
</signal>
<signal name="N$14">
<contactref element="C9" pad="1"/>
<contactref element="R13" pad="1"/>
</signal>
<signal name="N$15">
<contactref element="R13" pad="2"/>
<contactref element="C10" pad="2"/>
<contactref element="D1" pad="C"/>
<contactref element="D2" pad="A"/>
<contactref element="U$7" pad="P$1"/>
</signal>
<signal name="N$17">
<contactref element="C10" pad="1"/>
<contactref element="R14" pad="1"/>
<contactref element="C11" pad="1"/>
</signal>
<signal name="N$18">
<contactref element="C11" pad="2"/>
<contactref element="R16" pad="2"/>
</signal>
<signal name="N$19">
<contactref element="R16" pad="1"/>
<contactref element="R26" pad="1"/>
<contactref element="R15" pad="1"/>
<contactref element="GAIN" pad="2"/>
</signal>
<signal name="N$20">
<contactref element="R15" pad="2"/>
<contactref element="C12" pad="2"/>
</signal>
<signal name="N$21">
<contactref element="C12" pad="1"/>
<contactref element="R14" pad="2"/>
<contactref element="R26" pad="2"/>
<contactref element="IC2" pad="2"/>
<contactref element="C13" pad="1"/>
<contactref element="R17" pad="2"/>
<contactref element="R9" pad="2"/>
</signal>
<signal name="N$22">
<contactref element="R17" pad="1"/>
<contactref element="R21" pad="2"/>
<contactref element="C13" pad="2"/>
<contactref element="IC2" pad="1"/>
<contactref element="R19" pad="2"/>
</signal>
<signal name="N$23">
<contactref element="R21" pad="1"/>
<contactref element="TONE" pad="3"/>
</signal>
<signal name="N$24">
<contactref element="C14" pad="1"/>
<contactref element="TONE" pad="2"/>
</signal>
<signal name="N$25">
<contactref element="R18" pad="2"/>
<contactref element="TONE" pad="1"/>
</signal>
<signal name="N$26">
<contactref element="IC2" pad="7"/>
<contactref element="C15" pad="2"/>
<contactref element="R20" pad="1"/>
<contactref element="R18" pad="1"/>
<contactref element="C21" pad="2"/>
</signal>
<signal name="N$27">
<contactref element="C14" pad="2"/>
<contactref element="IC2" pad="6"/>
<contactref element="R19" pad="1"/>
<contactref element="R20" pad="2"/>
</signal>
<signal name="N$28">
<contactref element="C15" pad="1"/>
<contactref element="R22" pad="2"/>
<contactref element="C21" pad="1"/>
</signal>
<signal name="N$29">
<contactref element="R24" pad="1"/>
<contactref element="R23" pad="1"/>
<contactref element="C16" pad="-"/>
</signal>
<signal name="N$35">
<contactref element="R22" pad="1"/>
<contactref element="VOLUME" pad="3"/>
</signal>
<signal name="N$36">
<contactref element="VOLUME" pad="2"/>
<contactref element="U$2" pad="P$1"/>
</signal>
<signal name="N$38">
<contactref element="R8" pad="2"/>
<contactref element="R9" pad="1"/>
<contactref element="C6" pad="2"/>
</signal>
<signal name="GND">
<contactref element="R1" pad="1"/>
<contactref element="R3" pad="2"/>
<contactref element="C6" pad="1"/>
<contactref element="IC2" pad="3"/>
<contactref element="IC2" pad="5"/>
<contactref element="VOLUME" pad="1"/>
<contactref element="R23" pad="2"/>
<contactref element="D2" pad="C"/>
<contactref element="D1" pad="A"/>
<contactref element="R5" pad="2"/>
<contactref element="R6" pad="2"/>
<contactref element="C17" pad="-"/>
<contactref element="U$6" pad="P$1"/>
<contactref element="U$5" pad="P$1"/>
<contactref element="D4" pad="A"/>
<contactref element="IC3" pad="3"/>
<contactref element="C18" pad="+"/>
<contactref element="C20" pad="2"/>
<contactref element="GAIN" pad="5"/>
<contactref element="GAIN" pad="3"/>
</signal>
<signal name="N$16">
<contactref element="IC3" pad="2"/>
<contactref element="C19" pad="+"/>
</signal>
<signal name="N$30">
<contactref element="C19" pad="-"/>
<contactref element="IC3" pad="4"/>
</signal>
<signal name="N$31">
<contactref element="U$4" pad="P$1"/>
<contactref element="D3" pad="A"/>
</signal>
<signal name="N$32">
<contactref element="D3" pad="C"/>
<contactref element="R25" pad="1"/>
</signal>
<signal name="9V-">
<contactref element="IC3" pad="5"/>
<contactref element="C18" pad="-"/>
<contactref element="IC2" pad="4"/>
<contactref element="IC1" pad="4"/>
</signal>
<signal name="N$8">
<contactref element="R4" pad="1"/>
<contactref element="IC1" pad="2"/>
<contactref element="C3" pad="1"/>
<contactref element="IC1" pad="1"/>
<contactref element="C2" pad="2"/>
<contactref element="C16" pad="+"/>
</signal>
<signal name="N$4">
<contactref element="R27" pad="1"/>
<contactref element="U$8" pad="P$1"/>
</signal>
<signal name="9V+">
<contactref element="R25" pad="2"/>
<contactref element="IC3" pad="1"/>
<contactref element="IC3" pad="8"/>
<contactref element="IC1" pad="8"/>
<contactref element="IC2" pad="8"/>
<contactref element="C17" pad="+"/>
<contactref element="D4" pad="C"/>
<contactref element="R27" pad="2"/>
</signal>
<signal name="N$33">
<contactref element="R24" pad="2"/>
<contactref element="U$3" pad="P$1"/>
</signal>
<signal name="N$10">
<contactref element="GAIN" pad="6"/>
<contactref element="R10" pad="2"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
