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4-way Preamp

1 year ago 646
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Description

4-Way analog Reggae Preamp with a Phono RIAA stage, 10 band EQ, Siren and Echo effects.

Documents

Phono / Line Input

10 band EQ

4 Way Crossover

Baxandall

NJD Dub Siren

Dub Echo

BOM

ID Name Designator Quantity
1 EVQ22705R BP1,BP2 2
2 150p C1 1
3 10n C1,C2 2
4 0.1u C2,C3,C6,C8,C9,C10,C11,C14,C15,C22,C23,C27,C28,C69,C70,C71,C72 17
5 220n C4 1
6 10u C3,C4 2
7 100u C5 1
8 1n C5,C77 2
9 470n C7 1
10 100n C8,C9 2
11 4n7 C12,C13,C16,C17 4
12 2.2u C18 1
13 470n C25 1
14 220n C32,C39,C42 3
15 1.8n C34,C35,C36,C38,C43,C44 6
16 0.0047u C51,C54 2
17 0.047u C52,C53 2
18 1u C26,C31,C40,C41,C45,C55,C68,C81,C83,C84,C85,C87,C88 13
19 4.7u C56 1
20 100u C58 1
21 47u C59 1
22 1u C49,C64 2
23 22u C46,C48,C65,C67 4
24 22n C47,C66 2
25 82n C73,C76 2
26 10n C19,C20,C21,C24,C29,C30,C33,C37,C74,C75,C78,C79 12
27 33n C80 1
28 47p C86,C89 2
29 1N4148TA D1,D2,D3,D4 4
30 1N4007W D1,D2,D3,D4 4
31 LED-3MM D6 1
32 1.0u EQ1 1
33 660n EQ2 1
34 330n EQ3 1
35 180n EQ4 1
36 100n C50,C57,C60,C61,C62,C63,C82,EQ5 8
37 47n EQ6 1
38 27n EQ7 1
39 12n EQ8 1
40 6.9n EQ9 1
41 3.3n EQ10 1
42 HDR-F-2.54_1x3 H1 1
43 K2-3.6×6.1_SMD KEY1 1
44 BC557B Q1,Q2 2
45 2N3904(SOT-23) Q1,Q2,Q3,Q4 4
46 BC550C Q3,Q4,Q5 3
47 4k7 R1,R2 2
48 1k R1,R4,R5,R7,R10,R12,R13,R16,R18,R21,R24,R26,R27,R28,R29,R45,R47,R48,R50,R51,R52,R53,R76,R77,R78,R79,R107 27
49 220k R2,R3,R6,R8,R9,R11,R14,R15,R22,R23 10
50 100 R3 1
51 220k R6,R8,R9,R12 4
52 68k R4,R10 2
53 470k R7,R13 2
54 10k R17,R30,R32,R34,R43,R44,R46,R57,R74,R91,R103,R118 12
55 10K R16,R19 2
56 100k R19,R20,R49,R54,R75,R80,R93,R101,R102,R116 10
57 22K R17,R20 2
58 47K R18,R21 2
59 2k2 R23 1
60 47k R24 1
61 10k R25 1
62 47k R25,R58,R59,R61,R62,R83,R121 7
63 15k R26,R27 2
64 100k R5,R11,R28 3
65 1k R14,R15,R22,R29 4
66 4k7 R31,R33 2
67 150k R35,R36,R38,R39,R41,R42,R67,R69 8
68 22k R37,R40,R55,R56,R63,R66,R70,R73,R85,R90,R104,R140,R141,R142,R143,R144 16
69 27k R60,R64,R65,R68,R71,R72,R84,R139 8
70 5.8k R81 1
71 15k R86,R87 2
72 8.2k R96,R97,R98,R99,R100 5
73 470k R105,R106 2
74 22R R108 1
75 12k R109,R110,R111,R113,R136,R137 6
76 24k R112,R135 2
77 2.7k R92,R95,R114,R117 4
78 750k or 820 or 910 R94,R115 2
79 180k R89,R119 2
80 4.7k R88,R120 2
81 2.2k R82,R122 2
82 270R R123,R124,R125,R126,R127,R128,R129,R130,R131,R132,R133,R134 12
83 8k R138 1
84 50hz RP1 1
85 80hz RP2 1
86 125hz RP3 1
87 250hz RP4 1
88 500hz RP5 1
89 1Khz RP6 1
90 2Khz RP7 1
91 4Khz RP8 1
92 8Khz RP9 1
93 16Khz RP10 1
94 R_3386P_US RP11,RP12,RP13,RP14,RP15,RP16,RP17,RP18 8
95 100k RP19,RP20 2
96 R_3386P_EU RP21,RP22,RP23,RP24,RP25 5
97 10k RV1 1
98 ROTSW3P4T SW1,SW2,SW3 3
99 SS-12D02-VG4 SW1,SW2,SW3,SW4,SW5 5
100 OPA365AIDBVR U1,U2,U3,U4,U5,U6,U7,U8,U9,U10,U11,U12,U13,U14,U15,U16,U17,U18,U19,U20,U21,U22,U23,U24,U25,U26,U27,U28,U29,U34,U35 31
101 LM2901PT U30,U32 2
102 PT2399 U33 1
103 74LVC2G80 U36,U37,U38,U39,U40,U41,U42,U43 8
104 UA741 U44 1
105 TL072 U45 1
106 TL071CDR U46 1

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