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STD Project 97 Rod Elliott with custom made loudness
License: Public Domain
Mode: Editors' pick
- 5
Update time：
2023-04-15 18:14:13
Creation time：
2019-09-06 15:27:00
Description
This is a Rod Elliott Project 97 Audio Preamp Project. I've added a custom loudness module on the same PCB.
Design Drawing
schematic diagram
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PCB
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Hi-Fi Preamp Rod Elliott Project 97
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Hi-Fi Preamp Rod Elliott Project 97 non auto routed
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 10uF | C1,C2 | CAP-TH_BD4.0-P1.50-D0.8-L-FD | 2 |
| 2 | 100n | C3,C4,C5 | CAP-5.5*8.5*3 | 3 |
| 3 | 47n | C101,C201 | CAP-5.5*8.5*3 | 2 |
| 4 | 1n | C102,C202 | CAP-5.5*8.5*3 | 2 |
| 5 | 2.2u | C103,C203 | RAD-0.1 | 2 |
| 6 | 2.2n | C104,C204 | CAP-5.5*8.5*3 | 2 |
| 7 | 150n | C105,C205 | CAP-5.5*8.5*3 | 2 |
| 8 | VU-signal | H1 | HDR-TH_3P-P2.54-V | 1 |
| 9 | Input | H5 | HDR-TH_3P-P2.54-V | 1 |
| 10 | Output | H6 | HDR-TH_3P-P2.54-V | 1 |
| 11 | Power | H7 | HDR-TH_3P-P2.54-V | 1 |
| 12 | LED-3MM | LED1 | LED-3MM/2.54 | 1 |
| 13 | LoudnessL | P1 | HDR-1X2/2.54 | 1 |
| 14 | LoudnessR | P2 | HDR-1X2/2.54 | 1 |
| 15 | 2k | R1 | AXIAL-0.3 | 1 |
| 16 | 100k | R101,R116,R119,R201,R216,R219 | AXIAL-0.3 | 6 |
| 17 | 1k | R102,R202 | AXIAL-0.3 | 2 |
| 18 | 10k | R103,R104,R107,R108,R109,R203,R207,R208,R209 | AXIAL-0.3 | 9 |
| 19 | 22k | R105,R106,R205,R206 | AXIAL-0.3 | 4 |
| 20 | 100 | R110,R115,R210,R215 | AXIAL-0.3 | 4 |
| 21 | 10 | R111,R211 | AXIAL-0.3 | 2 |
| 22 | 4.7k | R112,R117,R118,R212,R217,R218 | AXIAL-0.3 | 6 |
| 23 | 15k | R113,R213 | AXIAL-0.3 | 2 |
| 24 | 33k | R114,R214 | AXIAL-0.3 | 2 |
| 25 | 27k | R120,R220 | AXIAL-0.3 | 2 |
| 26 | 8.2k | R121,R221 | AXIAL-0.3 | 2 |
| 27 | 12k | R122,R222 | AXIAL-0.3 | 2 |
| 28 | 10k | R204 | R_AXIAL-0.3 | 1 |
| 29 | 100k | VR1,VR2,VR4 | RES-ADJ-TH_6PIN-H-L20.50-W16.00-PITCH5.00 | 3 |
| 30 | 50k | VR3 | RES-ADJ-TH_3PIN-H-L20.50-W16.00-PITCH5.00 | 1 |
| 31 | NE5532P | U1,U2,U3 | DIP-8 | 3 |
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