DIY 9k Preamp

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KeIth KeIth KeIth KeIth DY DY DY DY 9k Preamp 9k Preamp 9k Preamp 9k Preamp w] Power SuppIy - 2 ChanneI LIne Out baIancer Neeno 6 september 2004 Page 2 oI 7 1. 1. 1. 1. Preamp stage Preamp stage Preamp stage Preamp stage 1.1. 1.1. 1.1. 1.1. SchematIcs SchematIcs SchematIcs SchematIcs Neeno 6 september 2004 Page 3 oI 7 1.2. 1.2. 1.2. 1.2. PC8 PC8 PC8 PC8 Layout Layout Layout Layout Neeno 6 september 2004 Page 4 oI 7 1.3. 1.3. 1.3. 1.3. Parts IIst Parts IIst Parts IIst Parts IIst CapacItors CapacItors CapacItors CapacItors nductors nductors nductors nductors C38 470nF L1 15uH C39 470nF L2 15uH C45 100nF C46 3.3pF ResIstors ResIstors ResIstors ResIstors C47 3.3pF R57 100 C48 10pF R69 3.9K C55 2.2uF R70 100K C56 100pF R71 300 C57 330pF R72 100 C58 330pF R73 1K C59 470pF R75 200 C61 100pF R76 47 C64 470nF R77 47 C65 470nF R78 100K C68 2.2uF]63V R81 50K C69 2.2uF R82 470K C70 100pF R83 6.8K C71 330pF R84 6.8K C73 3.3pF R88 1K C74 3.3pF R105 3.9K C82 330pF R106 100K C83 470pF R107 300 C84 2.2uF]63V R108 100 C86 100pF R109 1K C93 470nF R110 200 C94 470nF R112 10K R113 4.22K EIectroIItIc EIectroIItIc EIectroIItIc EIectroIItIc CapacItors CapacItors CapacItors CapacItors R114 100K C34 220uF]25V R115 1K C62 220uF]25V R117 50K C72 10uF]25V R118 470K C92 220uF]25V R119 470K R120 100K TransIstors TransIstors TransIstors TransIstors R121 6.8K TR5 MAT-02 R122 6.8K R123 100K C's C's C's C's Ra 27 C22 5534AN Rb 39 C23 5534AN Rp1 6.81K IIIm resIstor C24 5534AN Rp2 6.81K IIIm resIstor C29 5534AN VR3A8 2.5K LOC 8 ] 2 DECK ] COAX C30 5534AN UnspecIIIed UnspecIIIed UnspecIIIed UnspecIIIed C31a TL052 Cx 100nF C32b TL052 (the same C) Neeno 6 september 2004 Page 5 oI 7 2. 2. 2. 2. Power SuppIy Power SuppIy Power SuppIy Power SuppIy 2.1. 2.1. 2.1. 2.1. SchematIcs SchematIcs SchematIcs SchematIcs 2.2. 2.2. 2.2. 2.2. PC8 Layout PC8 Layout PC8 Layout PC8 Layout Neeno 6 september 2004 Page 6 oI 7 2.3. 2.3. 2.3. 2.3. Parts IIst Parts IIst Parts IIst Parts IIst TraIos TraIos TraIos TraIos Tr1 20-0-20V ResIstors ResIstors ResIstors ResIstors R1 8.2K R2 240 CapacItors CapacItors CapacItors CapacItors C1 1000uF]35V C2 1000uF]35V C3 100uF]100V C4 100uF]100V C5 220uF]100V C6-11 6x100uF 8rIdges 8rIdges 8rIdges 8rIdges 8r1-2 ZZZ C's C's C's C's C1 LM7818 TO-220 C2 LM7918 TO-220 C3 LM317 TO-220 Neeno 6 september 2004 Page 7 oI 7 3. 3. 3. 3. Two ChanneI LIne Out 8aIancer Two ChanneI LIne Out 8aIancer Two ChanneI LIne Out 8aIancer Two ChanneI LIne Out 8aIancer 3.1. 3.1. 3.1. 3.1. SchematIcs SchematIcs SchematIcs SchematIcs 3.2. 3.2. 3.2. 3.2. PC8 Layout PC8 Layout PC8 Layout PC8 Layout 3.3. 3.3. 3.3. 3.3. Parts IIst Parts IIst Parts IIst Parts IIst ResIstors ResIstors ResIstors ResIstors R1-2-5-6 51 Rr3-4-7-8 10k CapacItors CapacItors CapacItors CapacItors C1-2 100nF C's C's C's C's C1 SSM2142 C2 SSM2142