Mic preamp kit
Preamplifier kit for electret microphone capsule
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Tools: soldering equipment, drills, pliers, screwdriver
Kit does not include wires and 9V battery!
| PCB V1.1 PCB | 0,6W, ±1% |
| R1 15k | 0,6W, ±1% |
| R2 22k | 0,6W, ±1% |
| R3, R6 33k | 0,6W, ±0,1% |
| R4 1k | 0,6W, ±0,1% |
| R5, R9, R11 3.3K | 0,6W, ±1% |
| R7, R8, R13, R15 100K | 0,6W, ±1% |
| R10 68K | 0,6W, ±1% |
| R12 100 Ohm | 0,6W, ±1% |
| R14, R16 47k | 0,6W, ±1% |
| R17 10k | 0,6W, ±1% |
| R18 470 Ohm | 0,6W, ±1% |
| C1, C8 100uf 16v | Elna Silmic II |
| C2 100pf NPO | |
| C3, C6 10uf 50v | Elna Silmic II |
| C4 47uf 16v | Elna Silmic II |
| C5 330pf NPO | |
| C7 1uf 50v | Elna Silmic II |
| C9 10uf 16v Bipolar | Panasonic ECG |
| C10 5pf NPO | |
| IC1 LM6134BIN | |
| IC1 Socket 14 pin socket | |
| Q1 2N3904 | |
| REF1 LM4040 2.5v | |
| D1, D2 1N914 | |
| S1 DPDT centre-off mini toggle | |
| MIC IN 3,5mm mono |
|
| LINE OUT Gold plated RCA | |
| Battery Strap | |
| Box/PCB screws x4 | Hammond 1599B |
| LED 3mm | red |
0,6W, ±1%
- mic_preamp_assembly.pdf
v1.1 built instructions Origin: www.madaboutsound.com
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