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RIAA Phono Preamp 2

1 year ago 546
  • Description
  • Documents
  • BOM
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Description

Its a phono preamp based on the design of rod ellion (sound-au.com) its using a 12-0-12 transformer, 1VA or above it doesnt really matter.

it really sounds great, in a metal box with some highend stickers on it, audiophools wont tell it apart from a 300$ brand product. i used bnc's for connecting a turntable, audio gear should allways use bnc or xlr in my opinion.

Documents

Sheet_1

Sheet_2

pcb1

BOM

ID Designator Footprint Quantity
1 P1,P2,P3,P4 HDR-1X2/2.54 4
2 C27,C28,C5,C6,C19,C20 RAD-0.1 6
3 C29,C30,C3,C4,C15,C16 RAD-0.1 6
4 C22,C24,C25,C26 CAP-D6.3XF2.5 4
5 R5,R6 AXIAL-0.3 2
6 R7,R8 AXIAL-0.3 2
7 R9,R14 AXIAL-0.3 2
8 R10,R13 AXIAL-0.3 2
9 R11,R12 AXIAL-0.3 2
10 R15,R16 AXIAL-0.3 2
11 R17,R18,R21,R22 AXIAL-0.3 4
12 R19,R20 AXIAL-0.3 2
13 C21,C23 RAD-0.1 2
14 U3,U4 DIP-8 2
15 D1,D2,D3,D4 DO-35 4
16 U2 TO-220-3_L10.0-W4.5-P2.54-L 1
17 H1 HDR-TH_3P-P2.54-V 1
18 C1,C2,C17,C18 CAP-D6.3XF2.5 4
19 C7,C8,C13,C14 CAP-D10.0XF5.0 4
20 C9,C10,C11,C12 CAP-D18.0XF7.5 4
21 U1 TO-220-3_L10.0-W4.5-P2.54-L 1
22 LED1 LED-3MM/2.54 1
23 R1,R2,R3,R4 AXIAL-0.3 4
24 R23 AXIAL-0.3 1
25 R24 L0805 1

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