<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.4">
<drawing>
<board>
<plain>
<wire x1="0" y1="0" x2="57.15" y2="0" width="0" layer="20"/>
<wire x1="57.15" y1="0" x2="57.15" y2="34.6075" width="0" layer="20"/>
<wire x1="57.15" y1="34.6075" x2="0" y2="34.6075" width="0" layer="20"/>
<wire x1="0" y1="34.6075" x2="0" y2="0" width="0" layer="20"/>
</plain>
<libraries>
<library name="mb_supply">
<description>&lt;b&gt;Supply&lt;/b&gt;
&lt;ul&gt;
&lt;li&gt;input, output, ground, and power supply.  
&lt;li&gt;these are used on a schematic for placeholders and on a board for pads for off-board components like jacks.
&lt;/ul&gt;</description>
<packages>
<package name="SQUARE">
<description>&lt;b&gt;Square Pad&lt;/b&gt;
&lt;ul&gt;&lt;li&gt;drill diameter 0.7 mm&lt;/li&gt;&lt;/ul&gt;</description>
</package>
</packages>
</library>
<library name="mb_resistors">
<description>&lt;b&gt;Resistors&lt;/b&gt;
&lt;ul&gt;
&lt;li&gt;6mm long -- the size of 1/4 watt resistors
&lt;li&gt; all resistor values have the same size package; you choose the value of resistance 
&lt;/ul&gt;</description>
<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="mb_caps-box">
<description>&lt;b&gt;Capacitors, Film, Box&lt;/b&gt;
&lt;ul&gt;
&lt;li&gt;1000pF - 2.2uF  (uF = µF = mF)
&lt;li&gt;popular nonpolarized capacitors because they are small
&lt;li&gt;these have short leads so that pad spacing equals lead spacing
&lt;li&gt;e.g., WIMA capacitors
&lt;/ul&gt;</description>
<packages>
<package name="072X025">
<description>&lt;b&gt;7.2mm x 2.5mm&lt;/b&gt;
&lt;p&gt;WIMA MKS2, MKP2</description>
</package>
<package name="072X035">
<description>&lt;b&gt;7.2mm x 3.5mm&lt;/b&gt;
&lt;p&gt;WIMA MKP2, MKS2</description>
</package>
</packages>
</library>
<library name="mb_caps-ceramic">
<description>&lt;b&gt;Capacitors, Ceramic&lt;/b&gt;
&lt;ul&gt;
&lt;li&gt;very small capacitances: 1 - 1000pF
&lt;/ul&gt;</description>
<packages>
<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="mb_pots">
<description>&lt;b&gt;Potentiometers&lt;/b&gt;
&lt;ul&gt;
&lt;li&gt;chassis-mount (e.g., Alpha 16mm) pots&lt;/li&gt;
&lt;li&gt;board-mount trim pots (1/4" and 3/8")&lt;/li&gt;
&lt;li&gt; all pot values have the same size package; you choose the value of resistance 
&lt;/ul&gt;</description>
<packages>
<package name="POT">
<description>&lt;b&gt;Potentiometer&lt;/b&gt;
&lt;p&gt;3 terminals for circuit board for wires connecting to 3 lugs of pot off-board</description>
</package>
</packages>
</library>
<library name="mb_diodes">
<description>&lt;b&gt;Diodes&lt;/b&gt;
&lt;ul&gt;
&lt;li&gt;Zener 1N47xx (as in protection for the MOSFET in the AMZ MOSFET Booster)
&lt;li&gt;rectifier 1N4001-1N4008 (for polarity reversal protection in power supply sections)
&lt;li&gt;clipping 1N914 (as in a TS808)
&lt;li&gt;LED (light emitting diode, 3mm and 5mm)
&lt;li&gt;mostly gathered from Eagle libraries
&lt;/ul&gt;</description>
<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="capacitors-elec">
<description>&lt;b&gt;Capacitors, Polar Electrolytic, Radial &lt;/b&gt;
&lt;ul&gt;
&lt;li&gt;large value capacitors: .22 - 470uF (uF = µF = mF)
&lt;li&gt;often used in power supply filters
&lt;/ul&gt;</description>
<packages>
<package name="063_025">
<description>&lt;b&gt;6.3mm diameter, 2.5 mm lead spacing, 0.1" pad spacing&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="switches">
<description>&lt;b&gt;Switches&lt;/b&gt;
&lt;ul&gt;
&lt;li&gt;SPST, SPDT, DPDT, 3PDT
&lt;/ul&gt;</description>
<packages>
<package name="SPDT">
</package>
</packages>
</library>
<library name="integrated circuits">
<description>&lt;b&gt;Integrated Circuits&lt;/b&gt;
&lt;ul&gt;
&lt;li&gt;mostly op amps (e.g., 4558, TL072)&lt;/li&gt;
&lt;li&gt;also CD4049 (for Anderton's Tube Sound Fuzz, the Red Llama, ...)
&lt;li&gt;generally gathered from Eagle libraries
&lt;/ul&gt;</description>
<packages>
<package name="DIL14">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="resistorsSmallPAD">
<description>&lt;b&gt;Resistors&lt;/b&gt;
&lt;ul&gt;
&lt;li&gt;6mm long -- the size of 1/4 watt resistors
&lt;li&gt; all resistor values have the same size package; you choose the value of resistance 
&lt;/ul&gt;</description>
<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="IN" library="mb_supply" package="SQUARE" value="I">
<attribute name="NAME"/>
</element>
<element name="OUT" library="mb_supply" package="SQUARE" value="O">
<attribute name="NAME"/>
</element>
<element name="R1" library="resistorsSmallPAD" package="R0207/3" value="2M2"/>
<element name="R2" library="resistorsSmallPAD" package="R0207/3" value="1M"/>
<element name="R3" library="resistorsSmallPAD" package="R0207/3" value="3.3k"/>
<element name="C1" library="mb_caps-box" package="072X025" value="10nF"/>
<element name="C2" library="mb_caps-box" package="072X025" value="47nF"/>
<element name="C3" library="mb_caps-ceramic" package="050X030_025_2" value="100pF"/>
<element name="GAIN" library="mb_pots" package="POT" value="B100K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C4" library="mb_caps-box" package="072X035" value="220nF"/>
<element name="R4" library="mb_resistors" package="R0207/3" value="10k"/>
<element name="C5" library="mb_caps-ceramic" package="050X030_025_2" value="47pF"/>
<element name="R5" library="mb_resistors" package="R0207/3" value="680k"/>
<element name="C6" library="mb_caps-box" package="072X025" value="100nF"/>
<element name="R7" library="mb_resistors" package="R0207/3" value="10k"/>
<element name="D1" library="mb_diodes" package="DO35-2" value="1N914"/>
<element name="D2" library="mb_diodes" package="DO35-2" value="1N914"/>
<element name="R8" library="mb_resistors" package="R0207/3" value="6.8k"/>
<element name="C7" library="mb_caps-box" package="072X025" value="22nF"/>
<element name="C8" library="mb_caps-box" package="072X025" value="22nF"/>
<element name="C9" library="mb_caps-box" package="072X035" value="220nF"/>
<element name="TREB" library="mb_pots" package="POT" value="A22K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="BASS" library="mb_pots" package="POT" value="A100k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R9" library="resistorsSmallPAD" package="R0207/3" value="1k"/>
<element name="R10" library="mb_resistors" package="R0207/3" value="220k"/>
<element name="C10" library="mb_caps-box" package="072X025" value="2.2nF"/>
<element name="R11" library="mb_resistors" package="R0207/3" value="47k"/>
<element name="R12" library="mb_resistors" package="R0207/3" value="100R"/>
<element name="R13" library="mb_resistors" package="R0207/3" value="33k"/>
<element name="R14" library="mb_resistors" package="R0207/3" value="33k"/>
<element name="C11" library="mb_caps-box" package="072X025" value="100nF"/>
<element name="C12" library="mb_caps-box" package="072X025" value="47nF"/>
<element name="C13" library="mb_caps-box" package="072X025" value="1nF"/>
<element name="CONT" library="mb_pots" package="POT" value="B100K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C14" library="mb_caps-box" package="072X035" value="220nF"/>
<element name="R15" library="mb_resistors" package="R0207/3" value="100k"/>
<element name="R16" library="mb_resistors" package="R0207/3" value="100k"/>
<element name="C15" library="mb_caps-box" package="072X025" value="1nF"/>
<element name="VOL" library="mb_pots" package="POT" value="A100K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C16" library="mb_caps-box" package="072X035" value="220nF"/>
<element name="R17" library="mb_resistors" package="R0207/3" value="1M"/>
<element name="+" library="mb_supply" package="SQUARE" value="+9V(T)"/>
<element name="D3" library="mb_diodes" package="DO41-3" value="4001"/>
<element name="C17" library="capacitors-elec" package="063_025" value="100uF"/>
<element name="C18" library="capacitors-elec" package="063_025" value="47uF"/>
<element name="-" library="mb_supply" package="SQUARE" value="GND(T)"/>
<element name="R18" library="mb_resistors" package="R0207/3" value="47k"/>
<element name="R19" library="mb_resistors" package="R0207/3" value="47k"/>
<element name="SW1" library="switches" package="SPDT" value="GainSwitch">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R6" library="mb_resistors" package="R0207/3" value="1.5M"/>
<element name="IC1" library="integrated circuits" package="DIL14" value="TL074"/>
<element name="SW2" library="switches" package="SPDT" value="GainSwitch">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="D4" library="mb_diodes" package="DO35-2" value=""/>
<element name="D5" library="mb_diodes" package="DO35-2" value=""/>
<element name="D6" library="mb_diodes" package="DO35-2" value=""/>
</elements>
<signals>
<signal name="N$1">
<contactref element="IN" pad="1"/>
<contactref element="R1" pad="2"/>
<contactref element="C1" pad="1"/>
</signal>
<signal name="N$2">
<contactref element="R2" pad="2"/>
<contactref element="C1" pad="2"/>
<contactref element="IC1" pad="12"/>
</signal>
<signal name="N$3">
<contactref element="R3" pad="2"/>
<contactref element="C2" pad="2"/>
</signal>
<signal name="N$4">
<contactref element="C2" pad="1"/>
<contactref element="C3" pad="1"/>
<contactref element="GAIN" pad="1"/>
<contactref element="IC1" pad="13"/>
</signal>
<signal name="N$5">
<contactref element="C3" pad="2"/>
<contactref element="GAIN" pad="2"/>
<contactref element="IC1" pad="14"/>
</signal>
<signal name="N$6">
<contactref element="GAIN" pad="3"/>
<contactref element="C4" pad="2"/>
</signal>
<signal name="N$7">
<contactref element="C4" pad="1"/>
<contactref element="R4" pad="2"/>
</signal>
<signal name="N$8">
<contactref element="R4" pad="1"/>
<contactref element="C5" pad="1"/>
<contactref element="SW1" pad="2"/>
<contactref element="IC1" pad="6"/>
</signal>
<signal name="N$9">
<contactref element="C5" pad="2"/>
<contactref element="C6" pad="2"/>
<contactref element="R6" pad="1"/>
<contactref element="R5" pad="1"/>
<contactref element="IC1" pad="7"/>
</signal>
<signal name="N$11">
<contactref element="C6" pad="1"/>
<contactref element="R7" pad="2"/>
</signal>
<signal name="N$12">
<contactref element="R7" pad="1"/>
<contactref element="C7" pad="2"/>
<contactref element="R8" pad="1"/>
<contactref element="SW2" pad="2"/>
</signal>
<signal name="N$14">
<contactref element="C7" pad="1"/>
<contactref element="TREB" pad="3"/>
</signal>
<signal name="N$15">
<contactref element="R8" pad="2"/>
<contactref element="C9" pad="2"/>
<contactref element="C8" pad="2"/>
</signal>
<signal name="N$16">
<contactref element="C9" pad="1"/>
<contactref element="TREB" pad="1"/>
<contactref element="BASS" pad="3"/>
<contactref element="BASS" pad="2"/>
</signal>
<signal name="N$18">
<contactref element="C8" pad="1"/>
<contactref element="BASS" pad="1"/>
<contactref element="R9" pad="1"/>
</signal>
<signal name="N$19">
<contactref element="R10" pad="2"/>
<contactref element="C10" pad="2"/>
<contactref element="R11" pad="2"/>
<contactref element="IC1" pad="2"/>
</signal>
<signal name="N$20">
<contactref element="R10" pad="1"/>
<contactref element="C10" pad="1"/>
<contactref element="R12" pad="1"/>
<contactref element="IC1" pad="1"/>
</signal>
<signal name="N$21">
<contactref element="R12" pad="2"/>
<contactref element="C11" pad="1"/>
<contactref element="R13" pad="1"/>
<contactref element="C13" pad="1"/>
</signal>
<signal name="N$22">
<contactref element="C13" pad="2"/>
<contactref element="R14" pad="2"/>
<contactref element="C14" pad="2"/>
</signal>
<signal name="N$23">
<contactref element="C11" pad="2"/>
<contactref element="CONT" pad="1"/>
</signal>
<signal name="N$24">
<contactref element="CONT" pad="3"/>
<contactref element="C12" pad="2"/>
</signal>
<signal name="N$25">
<contactref element="R13" pad="2"/>
<contactref element="C12" pad="1"/>
<contactref element="R14" pad="1"/>
</signal>
<signal name="N$26">
<contactref element="C14" pad="1"/>
<contactref element="R15" pad="1"/>
</signal>
<signal name="N$28">
<contactref element="R16" pad="2"/>
<contactref element="R15" pad="2"/>
<contactref element="C15" pad="1"/>
<contactref element="IC1" pad="9"/>
</signal>
<signal name="N$29">
<contactref element="R16" pad="1"/>
<contactref element="C15" pad="2"/>
<contactref element="VOL" pad="3"/>
<contactref element="IC1" pad="8"/>
</signal>
<signal name="N$30">
<contactref element="VOL" pad="2"/>
<contactref element="C16" pad="2"/>
</signal>
<signal name="N$32">
<contactref element="C16" pad="1"/>
<contactref element="R17" pad="1"/>
<contactref element="OUT" pad="1"/>
</signal>
<signal name="GND">
<contactref element="-" pad="1"/>
<contactref element="C17" pad="-"/>
<contactref element="R19" pad="1"/>
<contactref element="C18" pad="-"/>
<contactref element="R1" pad="1"/>
<contactref element="R17" pad="2"/>
<contactref element="IC1" pad="11"/>
</signal>
<signal name="VA">
<contactref element="R18" pad="1"/>
<contactref element="R19" pad="2"/>
<contactref element="C18" pad="+"/>
<contactref element="R2" pad="1"/>
<contactref element="R3" pad="1"/>
<contactref element="IC1" pad="5"/>
<contactref element="D1" pad="A"/>
<contactref element="R9" pad="2"/>
<contactref element="R11" pad="1"/>
<contactref element="CONT" pad="2"/>
<contactref element="IC1" pad="10"/>
<contactref element="VOL" pad="1"/>
<contactref element="D2" pad="C"/>
<contactref element="D6" pad="C"/>
<contactref element="D5" pad="A"/>
<contactref element="D4" pad="A"/>
</signal>
<signal name="N$13">
<contactref element="R18" pad="2"/>
<contactref element="C17" pad="+"/>
<contactref element="D3" pad="C"/>
<contactref element="IC1" pad="4"/>
</signal>
<signal name="N$10">
<contactref element="SW1" pad="1"/>
<contactref element="R5" pad="2"/>
</signal>
<signal name="N$31">
<contactref element="SW1" pad="3"/>
<contactref element="R6" pad="2"/>
</signal>
<signal name="+9V">
<contactref element="D3" pad="A"/>
<contactref element="+" pad="1"/>
</signal>
<signal name="N$17">
<contactref element="TREB" pad="2"/>
<contactref element="IC1" pad="3"/>
</signal>
<signal name="N$27">
<contactref element="SW2" pad="1"/>
<contactref element="D1" pad="C"/>
<contactref element="D2" pad="A"/>
</signal>
<signal name="N$34">
<contactref element="SW2" pad="3"/>
<contactref element="D6" pad="A"/>
<contactref element="D5" pad="C"/>
<contactref element="D4" pad="C"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
