<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.4">
<drawing>
<board>
<plain>
<wire x1="0" y1="69.46" x2="0" y2="2.54" width="0" layer="20"/>
<wire x1="0" y1="2.54" x2="2.54" y2="0" width="0" layer="20" curve="90"/>
<wire x1="2.54" y1="0" x2="26.46" y2="0" width="0" layer="20"/>
<wire x1="26.46" y1="0" x2="29" y2="2.54" width="0" layer="20" curve="90"/>
<wire x1="29" y1="2.54" x2="29" y2="69.46" width="0" layer="20"/>
<wire x1="29" y1="69.46" x2="26.46" y2="72" width="0" layer="20" curve="90"/>
<wire x1="26.46" y1="72" x2="2.54" y2="72" width="0" layer="20"/>
<wire x1="2.54" y1="72" x2="0" y2="69.46" width="0" layer="20" curve="90"/>
<text>R2R</text>
<text>R2L</text>
<text>C1R</text>
<text>C1L</text>
<text>C2R</text>
<text>C2L</text>
<text>R3L</text>
<text>R3R</text>
<text>R6R</text>
<text>R6L</text>
<text>R5L</text>
<text>R5R</text>
<text>R4L</text>
<text>R4R</text>
<text>R1</text>
<text>CMOY</text>
<text>HEADPHONE</text>
<text>AMPLIFIER</text>
<text>PWR</text>
<text>OUT</text>
<text>IN</text>
<text>IC</text>
<text>VOLUME</text>
<text>v1.0</text>
<text>(C) Akafugu Corporation 2013</text>
</plain>
<libraries>
<library name="SparkFun">
<packages>
<package name="STAND-OFF">
<description>&lt;b&gt;Stand Off&lt;/b&gt;&lt;p&gt;
This is the mechanical footprint for a #4 phillips button head screw. Use the keepout ring to avoid running the screw head into surrounding components. SKU : PRT-00447</description>
</package>
</packages>
</library>
<library name="akafugu">
<packages>
<package name="LED3MM-MINUS">
</package>
<package name="1/6W-RES-OUTLINE">
</package>
<package name="1/4W-RES-OUTLINE">
</package>
<package name="CPOL-RADIAL-6.3MM">
</package>
<package name="CAP-PTH-VIMA-MKS2C031001A00KSSD">
</package>
<package name="DIL-8">
</package>
<package name="STX3100">
<description>&lt;b&gt;MIC/HEADPHONE JACK&lt;/b&gt;&lt;p&gt;
KS-S stereo microphone/headphone jack&lt;p&gt;
 PG203JN (Schukat)</description>
</package>
<package name="OSHW-LOGO-OUTLINE">
</package>
</packages>
</library>
<library name="battery">
<description>&lt;b&gt;Lithium Batteries and NC Accus&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="AB9V">
<description>&lt;B&gt;9-V BATTERY CLIP&lt;/B&gt;</description>
</package>
</packages>
</library>
<library name="audio-pots">
<packages>
<package name="ALPS_RK0971221Z0X">
<description>ALPS RK0971221Z0x potentiometer</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="JP1" library="SparkFun" package="STAND-OFF" value="STAND-OFF"/>
<element name="JP2" library="SparkFun" package="STAND-OFF" value="STAND-OFF"/>
<element name="JP3" library="SparkFun" package="STAND-OFF" value="STAND-OFF"/>
<element name="JP4" library="SparkFun" package="STAND-OFF" value="STAND-OFF"/>
<element name="PWR" library="akafugu" package="LED3MM-MINUS" value=""/>
<element name="IC1" library="akafugu" package="DIL-8" value="OPA2134P"/>
<element name="JACK-IN" library="akafugu" package="STX3100" value="STEREOJACK"/>
<element name="JACK-OUT" library="akafugu" package="STX3100" value="STEREOJACK"/>
<element name="G1" library="battery" package="AB9V" value="AB9V"/>
<element name="R1" library="akafugu" package="1/6W-RES-OUTLINE" value="10k"/>
<element name="R2R" library="akafugu" package="1/6W-RES-OUTLINE" value="4.7k"/>
<element name="R2L" library="akafugu" package="1/6W-RES-OUTLINE" value="4.7k"/>
<element name="C1R" library="akafugu" package="CPOL-RADIAL-6.3MM" value="220uF"/>
<element name="C1L" library="akafugu" package="CPOL-RADIAL-6.3MM" value="220uF"/>
<element name="C2R" library="akafugu" package="CAP-PTH-VIMA-MKS2C031001A00KSSD" value="0.1uF"/>
<element name="R3R" library="akafugu" package="1/4W-RES-OUTLINE" value="100k"/>
<element name="R4R" library="akafugu" package="1/4W-RES-OUTLINE" value="2k"/>
<element name="R5R" library="akafugu" package="1/4W-RES-OUTLINE" value="10k"/>
<element name="R6R" library="akafugu" package="1/4W-RES-OUTLINE" value="47R"/>
<element name="C2L" library="akafugu" package="CAP-PTH-VIMA-MKS2C031001A00KSSD" value="0.1uF"/>
<element name="R3L" library="akafugu" package="1/4W-RES-OUTLINE" value="100k"/>
<element name="R4L" library="akafugu" package="1/4W-RES-OUTLINE" value="2k"/>
<element name="R5L" library="akafugu" package="1/4W-RES-OUTLINE" value="10k"/>
<element name="R6L" library="akafugu" package="1/4W-RES-OUTLINE" value="47R"/>
<element name="VOLUME" library="audio-pots" package="ALPS_RK0971221Z0X" value="10k"/>
<element name="JP5" library="SparkFun" package="STAND-OFF" value="STAND-OFF"/>
<element name="U$1" library="akafugu" package="OSHW-LOGO-OUTLINE" value="OSHW-LOGO-OUTLINE"/>
</elements>
<signals>
<signal name="GND">
<contactref element="JACK-IN" pad="1"/>
<contactref element="JACK-OUT" pad="1"/>
<contactref element="R2R" pad="1"/>
<contactref element="R2L" pad="2"/>
<contactref element="C1L" pad="1"/>
<contactref element="C1R" pad="2"/>
<contactref element="R3R" pad="P$1"/>
<contactref element="R4R" pad="P$1"/>
<contactref element="R3L" pad="P$1"/>
<contactref element="R4L" pad="P$1"/>
<contactref element="VOLUME" pad="G2"/>
<contactref element="VOLUME" pad="G1"/>
</signal>
<signal name="INPUT-L">
<contactref element="JACK-IN" pad="2"/>
<contactref element="VOLUME" pad="I1"/>
</signal>
<signal name="INPUT-R">
<contactref element="JACK-IN" pad="5"/>
<contactref element="VOLUME" pad="I2"/>
</signal>
<signal name="+9V">
<contactref element="IC1" pad="8"/>
<contactref element="R1" pad="2"/>
<contactref element="R2R" pad="2"/>
<contactref element="C1R" pad="1"/>
<contactref element="VOLUME" pad="S2"/>
</signal>
<signal name="-9V">
<contactref element="IC1" pad="4"/>
<contactref element="G1" pad="-"/>
<contactref element="PWR" pad="K"/>
<contactref element="R2L" pad="1"/>
<contactref element="C1L" pad="2"/>
</signal>
<signal name="N$3">
<contactref element="G1" pad="+"/>
<contactref element="VOLUME" pad="S1"/>
</signal>
<signal name="N$1">
<contactref element="R1" pad="1"/>
<contactref element="PWR" pad="A"/>
</signal>
<signal name="OUTPUT-R">
<contactref element="JACK-OUT" pad="5"/>
<contactref element="R5R" pad="P$1"/>
<contactref element="R6R" pad="P$1"/>
</signal>
<signal name="OUTPUT-L">
<contactref element="JACK-OUT" pad="2"/>
<contactref element="R5L" pad="P$1"/>
<contactref element="R6L" pad="P$1"/>
</signal>
<signal name="VOLUME-OUT-R">
<contactref element="C2R" pad="1"/>
<contactref element="VOLUME" pad="O2"/>
</signal>
<signal name="R+">
<contactref element="R3R" pad="P$2"/>
<contactref element="IC1" pad="3"/>
<contactref element="C2R" pad="2"/>
</signal>
<signal name="R-">
<contactref element="IC1" pad="2"/>
<contactref element="R4R" pad="P$2"/>
<contactref element="R5R" pad="P$2"/>
</signal>
<signal name="OP-R">
<contactref element="IC1" pad="1"/>
<contactref element="R6R" pad="P$2"/>
</signal>
<signal name="VOLUME-OUT-L">
<contactref element="C2L" pad="1"/>
<contactref element="VOLUME" pad="O1"/>
</signal>
<signal name="L+">
<contactref element="R3L" pad="P$2"/>
<contactref element="IC1" pad="5"/>
<contactref element="C2L" pad="2"/>
</signal>
<signal name="L-">
<contactref element="R4L" pad="P$2"/>
<contactref element="R5L" pad="P$2"/>
<contactref element="IC1" pad="6"/>
</signal>
<signal name="OP-L">
<contactref element="R6L" pad="P$2"/>
<contactref element="IC1" pad="7"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
