<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.7.0">
<drawing>
<board>
<plain>
<text>dunn effects</text>
<text>Prybar</text>
<text>preamp
distortion</text>
<text>v1.0 - Dec 2020</text>
<text>Q1-4: 2n5458
or equivalent
Bias to 24V
D1: 1n4001
D2-7: 1n5817</text>
<text>"IT'S THE 
QUENCHIEST!"</text>
<wire x1="0" y1="58.42" x2="74.93" y2="58.42" width="0" layer="20"/>
<wire x1="74.93" y1="58.42" x2="74.93" y2="0" width="0" layer="20"/>
<wire x1="74.93" y1="0" x2="0" y2="0" width="0" layer="20"/>
<wire x1="0" y1="0" x2="0" y2="58.42" width="0" layer="20"/>
</plain>
<libraries>
<library name="mb_supply">
<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="potentiometers">
<packages>
<package name="2262_TRIM">
<description>&lt;b&gt;Potentiometer&lt;/b&gt;&lt;p&gt;
1/4" on-board trim potentiometer</description>
</package>
</packages>
</library>
<library name="switches">
<packages>
<package name="SPDT_PC_MOUNT">
<description>&lt;b&gt;Taiway 1MS1T1B1C0M2QE &lt;/b&gt;
&lt;br&gt;
 &lt;a href="http://smallbear-electronics.mybigcommerce.com/spdt-on-on-0218a/"&gt;http://smallbear-electronics.mybigcommerce.com/spdt-on-on-0218a/&lt;/a&gt;</description>
</package>
</packages>
</library>
<library name="capacitors-elec">
<packages>
<package name="063_2.5MM">
<description>&lt;b&gt;6.3mm diameter, 2.5mm lead spacing&lt;/b&gt;</description>
</package>
<package name="050_2.5MM.1">
<description>&lt;b&gt;5mm diameter, 2.5mm lead spacing&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="capacitors-film">
<packages>
<package name=".33UF+">
<description>&lt;b&gt;5mm spacing, 330n-680n caps&lt;/b&gt;</description>
</package>
<package name="5MM">
<description>&lt;b&gt;5mm spacing&lt;/b&gt;</description>
</package>
<package name="1UF">
<description>&lt;b&gt;5mm spacing, 1uF caps&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="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="DO41-3">
<description>&lt;b&gt;DO-41 0.3" pad spacing&lt;/b&gt;</description>
</package>
<package name="DO35-3">
<description>&lt;B&gt;DO-35 0.3" spacing&lt;/B&gt;</description>
</package>
<package name="LED3MM">
<description>&lt;B&gt;LED&lt;/B&gt;&lt;p&gt;
3 mm, round</description>
</package>
</packages>
</library>
<library name="eae_custom">
<packages>
<package name="16MM_VIMEX">
<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="pinhead">
<description>&lt;b&gt;Pin Header Connectors&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="1X06">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="transistors">
<packages>
<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>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="B1" library="mb_supply" package="SQUARE" value=""/>
<element name="B2" library="mb_supply" package="SQUARE" value=""/>
<element name="B3" library="mb_supply" package="SQUARE" value=""/>
<element name="B4" library="mb_supply" package="SQUARE" value=""/>
<element name="BIAS1" library="potentiometers" package="2262_TRIM" value="100K"/>
<element name="BIAS2" library="potentiometers" package="2262_TRIM" value="100K"/>
<element name="BIAS3" library="potentiometers" package="2262_TRIM" value="100K"/>
<element name="BIAS4" library="potentiometers" package="2262_TRIM" value="100K"/>
<element name="BRIGHT" library="switches" package="SPDT_PC_MOUNT" value=""/>
<element name="C1" library="capacitors-elec" package="063_2.5MM" value="100u"/>
<element name="C10" library="capacitors-film" package=".33UF+" value="470n"/>
<element name="C11" library="capacitors-film" package="5MM" value="22n"/>
<element name="C12" library="capacitors-film" package="5MM" value="4.7n"/>
<element name="C13" library="capacitors-film" package="5MM" value="20p"/>
<element name="C14" library="capacitors-elec" package="050_2.5MM.1" value="10u"/>
<element name="C15" library="capacitors-film" package="1UF" value="1u"/>
<element name="C16" library="capacitors-film" package="5MM" value="2.2n"/>
<element name="C17" library="capacitors-film" package="5MM" value="220n"/>
<element name="C18" library="capacitors-film" package="5MM" value="2.2n"/>
<element name="C19" library="capacitors-film" package="5MM" value="220n"/>
<element name="C2" library="capacitors-elec" package="050_2.5MM.1" value="10u"/>
<element name="C20" library="capacitors-film" package="5MM" value="4.7n"/>
<element name="C21" library="capacitors-elec" package="050_2.5MM.1" value="10u"/>
<element name="C22" library="capacitors-film" package="5MM" value="100n"/>
<element name="C3" library="capacitors-elec" package="063_2.5MM" value="100u"/>
<element name="C4" library="capacitors-elec" package="050_2.5MM.1" value="10u"/>
<element name="C5" library="capacitors-elec" package="063_2.5MM" value="100u"/>
<element name="C6" library="capacitors-elec" package="050_2.5MM.1" value="10u"/>
<element name="C7" library="capacitors-elec" package="063_2.5MM" value="100u"/>
<element name="C8" library="capacitors-film" package="5MM" value="10n"/>
<element name="C9" library="capacitors-film" package="5MM" value="250p"/>
<element name="D1" library="diodes" package="DO41-3" value="1n4001"/>
<element name="D10" library="diodes" package="DO41-3" value=""/>
<element name="D11" library="diodes" package="DO35-3" value=""/>
<element name="D12" library="diodes" package="DO35-3" value=""/>
<element name="D2" library="diodes" package="DO41-3" value="1n5817"/>
<element name="D3" library="diodes" package="DO41-3" value="1n5817"/>
<element name="D4" library="diodes" package="DO41-3" value="1n5817"/>
<element name="D5" library="diodes" package="DO41-3" value="1n5817"/>
<element name="D6" library="diodes" package="DO41-3" value="1n5817"/>
<element name="D7" library="diodes" package="DO41-3" value="1n5817"/>
<element name="D8" library="diodes" package="LED3MM" value="LED3MM"/>
<element name="D9" library="diodes" package="DO41-3" value=""/>
<element name="G" library="mb_supply" package="SQUARE" value=""/>
<element name="G1" library="mb_supply" package="SQUARE" value=""/>
<element name="G2" library="mb_supply" package="SQUARE" value=""/>
<element name="GAIN" library="eae_custom" package="16MM_VIMEX" value="B50K"/>
<element name="HIGH" library="eae_custom" package="16MM_VIMEX" value="A50K"/>
<element name="I" library="mb_supply" package="SQUARE" value="IN"/>
<element name="IC1" library="integrated circuits" package="DIL08" value="LT1054"/>
<element name="JP1" library="pinhead" package="1X06" value=""/>
<element name="LOW" library="eae_custom" package="16MM_VIMEX" value="A50K"/>
<element name="MASTER" library="eae_custom" package="16MM_VIMEX" value="A10K"/>
<element name="MID" library="eae_custom" package="16MM_VIMEX" value="A2K"/>
<element name="O" library="mb_supply" package="SQUARE" value=""/>
<element name="PRES" library="eae_custom" package="16MM_VIMEX" value="A2K"/>
<element name="Q1" library="transistors" package="TO92-" value="J201"/>
<element name="Q2" library="transistors" package="TO92-" value="J201"/>
<element name="Q3" library="transistors" package="TO92-" value="J201"/>
<element name="Q4" library="transistors" package="TO92-" value="J201"/>
<element name="R1" library="resistors" package="R0207/3" value="22k"/>
<element name="R10" library="resistors" package="R0207/3" value="10K"/>
<element name="R11" library="resistors" package="R0207/3" value="1M"/>
<element name="R12" library="resistors" package="R0207/3" value="1M"/>
<element name="R13" library="resistors" package="R0207/3" value="2.2K"/>
<element name="R14" library="resistors" package="R0207/3" value="1K"/>
<element name="R15" library="resistors" package="R0207/3" value="2.2K"/>
<element name="R16" library="resistors" package="R0207/3" value="4.7K"/>
<element name="R2" library="resistors" package="R0207/3" value="1M"/>
<element name="R3" library="resistors" package="R0207/3" value="68K"/>
<element name="R4" library="resistors" package="R0207/3" value="1M"/>
<element name="R5" library="resistors" package="R0207/3" value="2.2K"/>
<element name="R6" library="resistors" package="R0207/3" value="22K"/>
<element name="R7" library="resistors" package="R0207/3" value="1K"/>
<element name="R8" library="resistors" package="R0207/3" value="2.2K"/>
<element name="R9" library="resistors" package="R0207/3" value="4.7K"/>
<element name="V" library="mb_supply" package="SQUARE" value=""/>
</elements>
<signals>
<signal name="N$2">
<contactref element="Q1" pad="1"/>
<contactref element="C8" pad="2"/>
<contactref element="R4" pad="2"/>
<contactref element="C9" pad="2"/>
</signal>
<signal name="N$6">
<contactref element="Q1" pad="2"/>
<contactref element="R5" pad="2"/>
<contactref element="C10" pad="2"/>
</signal>
<signal name="N$11">
<contactref element="R7" pad="1"/>
<contactref element="C12" pad="1"/>
<contactref element="GAIN" pad="2"/>
</signal>
<signal name="N$13">
<contactref element="Q2" pad="3"/>
<contactref element="BIAS2" pad="1"/>
<contactref element="BIAS2" pad="2"/>
<contactref element="B2" pad="1"/>
<contactref element="Q3" pad="1"/>
<contactref element="C13" pad="2"/>
</signal>
<signal name="N$14">
<contactref element="Q2" pad="2"/>
<contactref element="R8" pad="2"/>
<contactref element="C14" pad="+"/>
</signal>
<signal name="N$21">
<contactref element="Q3" pad="2"/>
<contactref element="R9" pad="2"/>
<contactref element="C15" pad="1"/>
</signal>
<signal name="N$26">
<contactref element="C15" pad="2"/>
<contactref element="D9" pad="C"/>
<contactref element="D11" pad="C"/>
<contactref element="D12" pad="A"/>
<contactref element="MASTER" pad="3"/>
<contactref element="C16" pad="1"/>
</signal>
<signal name="GND">
<contactref element="R2" pad="1"/>
<contactref element="IC1" pad="3"/>
<contactref element="C3" pad="-"/>
<contactref element="C5" pad="-"/>
<contactref element="R9" pad="1"/>
<contactref element="R13" pad="1"/>
<contactref element="R5" pad="1"/>
<contactref element="GAIN" pad="1"/>
<contactref element="R8" pad="1"/>
<contactref element="C7" pad="-"/>
<contactref element="G" pad="1"/>
<contactref element="G1" pad="1"/>
<contactref element="G2" pad="1"/>
<contactref element="C1" pad="-"/>
<contactref element="R4" pad="1"/>
<contactref element="C9" pad="1"/>
<contactref element="C10" pad="1"/>
<contactref element="C14" pad="-"/>
<contactref element="D10" pad="C"/>
<contactref element="BRIGHT" pad="1"/>
<contactref element="MASTER" pad="1"/>
<contactref element="MID" pad="1"/>
<contactref element="R12" pad="1"/>
<contactref element="C22" pad="1"/>
<contactref element="JP1" pad="4"/>
</signal>
<signal name="N$24">
<contactref element="IC1" pad="2"/>
<contactref element="C2" pad="-"/>
<contactref element="C4" pad="-"/>
<contactref element="C6" pad="-"/>
</signal>
<signal name="N$16">
<contactref element="D2" pad="C"/>
<contactref element="D3" pad="A"/>
<contactref element="C2" pad="+"/>
</signal>
<signal name="N$17">
<contactref element="D3" pad="C"/>
<contactref element="D4" pad="A"/>
<contactref element="C3" pad="+"/>
</signal>
<signal name="N$23">
<contactref element="D4" pad="C"/>
<contactref element="D5" pad="A"/>
<contactref element="C4" pad="+"/>
</signal>
<signal name="N$29">
<contactref element="D5" pad="C"/>
<contactref element="D6" pad="A"/>
<contactref element="C5" pad="+"/>
</signal>
<signal name="N$31">
<contactref element="D6" pad="C"/>
<contactref element="D7" pad="A"/>
<contactref element="C6" pad="+"/>
</signal>
<signal name="N$9">
<contactref element="C11" pad="2"/>
<contactref element="R6" pad="1"/>
<contactref element="GAIN" pad="3"/>
</signal>
<signal name="N$10">
<contactref element="Q4" pad="2"/>
<contactref element="R13" pad="2"/>
</signal>
<signal name="VA">
<contactref element="D7" pad="C"/>
<contactref element="C7" pad="+"/>
<contactref element="BIAS1" pad="3"/>
<contactref element="BIAS2" pad="3"/>
<contactref element="BIAS3" pad="3"/>
<contactref element="BIAS4" pad="3"/>
<contactref element="R1" pad="2"/>
</signal>
<signal name="N$66">
<contactref element="Q3" pad="3"/>
<contactref element="BIAS3" pad="1"/>
<contactref element="BIAS3" pad="2"/>
<contactref element="B3" pad="1"/>
</signal>
<signal name="N$51">
<contactref element="Q4" pad="3"/>
<contactref element="BIAS4" pad="1"/>
<contactref element="BIAS4" pad="2"/>
<contactref element="R11" pad="2"/>
<contactref element="B4" pad="1"/>
<contactref element="C21" pad="+"/>
</signal>
<signal name="N$4">
<contactref element="Q1" pad="3"/>
<contactref element="C11" pad="1"/>
<contactref element="BIAS1" pad="1"/>
<contactref element="BIAS1" pad="2"/>
<contactref element="B1" pad="1"/>
</signal>
<signal name="N$30">
<contactref element="D1" pad="A"/>
<contactref element="V" pad="1"/>
</signal>
<signal name="N$42">
<contactref element="R3" pad="1"/>
<contactref element="C8" pad="1"/>
</signal>
<signal name="N$18">
<contactref element="R6" pad="2"/>
<contactref element="C12" pad="2"/>
</signal>
<signal name="N$1">
<contactref element="C13" pad="1"/>
<contactref element="Q2" pad="1"/>
<contactref element="R7" pad="2"/>
</signal>
<signal name="N$15">
<contactref element="D9" pad="A"/>
<contactref element="D10" pad="A"/>
</signal>
<signal name="N$44">
<contactref element="D12" pad="C"/>
<contactref element="D11" pad="A"/>
<contactref element="BRIGHT" pad="2"/>
</signal>
<signal name="N$19">
<contactref element="C16" pad="2"/>
<contactref element="MASTER" pad="2"/>
<contactref element="R10" pad="1"/>
</signal>
<signal name="N$27">
<contactref element="C17" pad="2"/>
<contactref element="C19" pad="1"/>
<contactref element="R16" pad="1"/>
</signal>
<signal name="+9V">
<contactref element="IC1" pad="8"/>
<contactref element="D2" pad="A"/>
<contactref element="D1" pad="C"/>
<contactref element="C1" pad="+"/>
</signal>
<signal name="N$32">
<contactref element="HIGH" pad="1"/>
<contactref element="LOW" pad="3"/>
<contactref element="C19" pad="2"/>
</signal>
<signal name="N$45">
<contactref element="LOW" pad="1"/>
<contactref element="MID" pad="3"/>
<contactref element="LOW" pad="2"/>
</signal>
<signal name="N$50">
<contactref element="C17" pad="1"/>
<contactref element="MID" pad="2"/>
</signal>
<signal name="N$52">
<contactref element="HIGH" pad="3"/>
<contactref element="C18" pad="2"/>
</signal>
<signal name="N$22">
<contactref element="HIGH" pad="2"/>
<contactref element="C20" pad="1"/>
</signal>
<signal name="N$33">
<contactref element="C20" pad="2"/>
<contactref element="Q4" pad="1"/>
<contactref element="R11" pad="1"/>
<contactref element="R12" pad="2"/>
</signal>
<signal name="N$47">
<contactref element="C21" pad="-"/>
<contactref element="R14" pad="1"/>
</signal>
<signal name="N$41">
<contactref element="R14" pad="2"/>
<contactref element="R15" pad="1"/>
<contactref element="PRES" pad="3"/>
</signal>
<signal name="N$46">
<contactref element="R15" pad="2"/>
<contactref element="JP1" pad="5"/>
</signal>
<signal name="N$53">
<contactref element="PRES" pad="2"/>
<contactref element="PRES" pad="1"/>
<contactref element="C22" pad="2"/>
</signal>
<signal name="N$3">
<contactref element="C18" pad="1"/>
<contactref element="R10" pad="2"/>
<contactref element="R16" pad="2"/>
</signal>
<signal name="N$5">
<contactref element="JP1" pad="2"/>
<contactref element="R2" pad="2"/>
<contactref element="R3" pad="2"/>
</signal>
<signal name="N$12">
<contactref element="I" pad="1"/>
<contactref element="JP1" pad="1"/>
</signal>
<signal name="N$25">
<contactref element="JP1" pad="6"/>
<contactref element="O" pad="1"/>
</signal>
<signal name="N$28">
<contactref element="JP1" pad="3"/>
<contactref element="D8" pad="K"/>
</signal>
<signal name="N$7">
<contactref element="D8" pad="A"/>
<contactref element="R1" pad="1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
