<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.5.0">
<drawing>
<board>
<plain>
<wire x1="100.33" y1="40.64" x2="100.33" y2="15.24" width="0.4064" layer="20"/>
<wire x1="100.33" y1="15.24" x2="2.54" y2="15.24" width="0.4064" layer="20"/>
<wire x1="2.54" y1="15.24" x2="2.54" y2="40.64" width="0.4064" layer="20"/>
<wire x1="2.54" y1="40.64" x2="100.33" y2="40.64" width="0.4064" layer="20"/>
<text>-</text>
<text>+</text>
<text>in</text>
<text>out</text>
<text>led</text>
<text>+</text>
<text>-</text>
<text>-</text>
<text>-</text>
<text>-</text>
<text>sw</text>
<text>TascFam Preamp Rev.1</text>
<text>2018 Op:Audio p/w 424Recording.com</text>
</plain>
<libraries>
<library name="gm-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="16MM">
<description>&lt;b&gt;Potentiometer&lt;/b&gt;
&lt;p&gt;potentiometer for showing off-board connections</description>
</package>
</packages>
</library>
<library name="burr-brown">
<description>&lt;b&gt;Burr-Brown Components&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="DIL08">
<description>&lt;b&gt;Dual In Line&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="gm-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="0703">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;br&gt;
&lt;br&gt;
length: 7.5mm&lt;br&gt;
format: 0.1" (perfboard)&lt;br&gt;
spacing: 3 holes

&lt;p&gt;This length resistor applies to 1/2 watt metal film.</description>
</package>
</packages>
</library>
<library name="gm-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">
<description>&lt;b&gt;5mm x 3mm, 2.5mm lead spacing
&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="gm-caps-electro-pol">
<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="050_020_1">
<description>&lt;b&gt;5mm diameter, 2mm lead spacing, 0.1" pad spacing&lt;/b&gt;</description>
</package>
<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="gm-caps-film-chicklet">
<description>&lt;b&gt;Capacitors, Film, Chicklet&lt;/b&gt;
&lt;ul&gt;
&lt;li&gt;100pF - 0.1uF (uF = µF = mF)
&lt;li&gt;popular nonpolarized capacitors
&lt;li&gt;available from smallbearelec.com as Panasonic ECQ-B capacitors
&lt;li&gt;these become quite large for values near 1uF
&lt;/ul&gt;</description>
<packages>
<package name="070X030">
<description>&lt;b&gt;7mm x 3mm, 5mm lead spacing&lt;/b&gt;
&lt;p&gt;Panasonic ECQ-B</description>
</package>
</packages>
</library>
<library name="diode">
<description>&lt;b&gt;Diodes&lt;/b&gt;&lt;p&gt;
Based on the following sources:
&lt;ul&gt;
&lt;li&gt;Motorola : www.onsemi.com
&lt;li&gt;Fairchild : www.fairchildsemi.com
&lt;li&gt;Philips : www.semiconductors.com
&lt;li&gt;Vishay : www.vishay.de
&lt;/ul&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="D-7.5">
<description>&lt;b&gt;DIODE&lt;/b&gt;</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="VOL" library="gm-pots" package="16MM" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="TREB" library="gm-pots" package="16MM" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="BASS" library="gm-pots" package="16MM" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="GAIN" library="gm-pots" package="16MM" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="IC" library="burr-brown" package="DIL08" value="">
<attribute name="VALUE"/>
<attribute name="NAME"/>
</element>
<element name="R2" library="gm-resistors" package="0703" value=""/>
<element name="R5" library="gm-resistors" package="0703" value=""/>
<element name="R9" library="gm-resistors" package="0703" value=""/>
<element name="R8" library="gm-resistors" package="0703" value=""/>
<element name="R10" library="gm-resistors" package="0703" value=""/>
<element name="R12" library="gm-resistors" package="0703" value=""/>
<element name="R11" library="gm-resistors" package="0703" value=""/>
<element name="R1M" library="gm-resistors" package="0703" value=""/>
<element name="R6" library="gm-resistors" package="0703" value=""/>
<element name="R7" library="gm-resistors" package="0703" value=""/>
<element name="R4" library="gm-resistors" package="0703" value=""/>
<element name="R3" library="gm-resistors" package="0703" value=""/>
<element name="R1" library="gm-resistors" package="0703" value=""/>
<element name="C2" library="gm-caps-ceramic" package="050X030_025" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C4" library="gm-caps-electro-pol" package="050_020_1" value=""/>
<element name="C3" library="gm-caps-electro-pol" package="050_020_1" value=""/>
<element name="C1" library="gm-caps-electro-pol" package="050_020_1" value=""/>
<element name="C5" library="gm-caps-film-chicklet" package="070X030" value=""/>
<element name="C6" library="gm-caps-film-chicklet" package="070X030" value=""/>
<element name="C7" library="gm-caps-film-chicklet" package="070X030" value=""/>
<element name="C8" library="gm-caps-electro-pol" package="063_025" value=""/>
<element name="C10" library="gm-caps-electro-pol" package="063_025" value=""/>
<element name="C9" library="gm-caps-film-chicklet" package="070X030" value=""/>
<element name="R13" library="gm-resistors" package="0703" value=""/>
<element name="D1" library="diode" package="D-7.5" value=""/>
</elements>
<signals>
<signal name="S$3">
<contactref element="R2" pad="1"/>
<contactref element="R1" pad="1"/>
<contactref element="IC" pad="3"/>
<contactref element="C1" pad="+"/>
</signal>
<signal name="S$18">
<contactref element="R3" pad="2"/>
<contactref element="C2" pad="2"/>
<contactref element="IC" pad="1"/>
<contactref element="C4" pad="+"/>
</signal>
<signal name="S$19">
<contactref element="D1" pad="A"/>
</signal>
<signal name="S$7">
<contactref element="R11" pad="1"/>
<contactref element="C8" pad="+"/>
<contactref element="C9" pad="1"/>
<contactref element="R12" pad="2"/>
<contactref element="IC" pad="8"/>
<contactref element="R1" pad="2"/>
</signal>
<signal name="S$1">
<contactref element="R4" pad="2"/>
<contactref element="R3" pad="1"/>
<contactref element="C2" pad="1"/>
<contactref element="IC" pad="2"/>
</signal>
<signal name="S$2">
<contactref element="R4" pad="1"/>
<contactref element="C3" pad="+"/>
</signal>
<signal name="S$4">
<contactref element="GAIN" pad="2"/>
<contactref element="C3" pad="-"/>
</signal>
<signal name="S$8">
<contactref element="IC" pad="7"/>
<contactref element="R7" pad="2"/>
<contactref element="R8" pad="2"/>
</signal>
<signal name="S$10">
<contactref element="BASS" pad="2"/>
<contactref element="R9" pad="2"/>
</signal>
<signal name="S$13">
<contactref element="C5" pad="2"/>
<contactref element="R7" pad="1"/>
<contactref element="BASS" pad="1"/>
</signal>
<signal name="S$9">
<contactref element="BASS" pad="3"/>
<contactref element="R5" pad="1"/>
<contactref element="C5" pad="1"/>
</signal>
<signal name="S$14">
<contactref element="IC" pad="6"/>
<contactref element="R9" pad="1"/>
<contactref element="C7" pad="1"/>
<contactref element="C6" pad="2"/>
</signal>
<signal name="S$12">
<contactref element="R6" pad="1"/>
<contactref element="C4" pad="-"/>
<contactref element="R5" pad="2"/>
</signal>
<signal name="S$15">
<contactref element="R6" pad="2"/>
<contactref element="TREB" pad="3"/>
</signal>
<signal name="S$16">
<contactref element="R8" pad="1"/>
<contactref element="TREB" pad="1"/>
</signal>
<signal name="S$11">
<contactref element="C6" pad="1"/>
<contactref element="TREB" pad="2"/>
</signal>
<signal name="S$17">
<contactref element="C7" pad="2"/>
<contactref element="VOL" pad="1"/>
</signal>
<signal name="S$5">
<contactref element="C1" pad="-"/>
<contactref element="R1M" pad="2"/>
</signal>
<signal name="S$22">
</signal>
<signal name="S$25">
<contactref element="C8" pad="-"/>
<contactref element="C9" pad="2"/>
<contactref element="R2" pad="2"/>
<contactref element="IC" pad="4"/>
<contactref element="VOL" pad="3"/>
<contactref element="GAIN" pad="1"/>
<contactref element="R1M" pad="1"/>
<contactref element="C10" pad="-"/>
<contactref element="R13" pad="2"/>
</signal>
<signal name="S$26">
<contactref element="VOL" pad="2"/>
</signal>
<signal name="S$20">
<contactref element="D1" pad="C"/>
<contactref element="R10" pad="2"/>
<contactref element="R11" pad="2"/>
</signal>
<signal name="S$28">
<contactref element="IC" pad="5"/>
<contactref element="R12" pad="1"/>
<contactref element="R13" pad="1"/>
<contactref element="C10" pad="+"/>
</signal>
<signal name="S$6">
<contactref element="R10" pad="1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
