22 lines
1,016 B
Text
22 lines
1,016 B
Text
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4x NE5532 SOIC-8 (U1, U4-6) (input buffer and active filters for speaker outputs)
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1x OPA2134 SOIC-8 (U3) (opamp for cmoy, needs beefy output)
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1x TL072 SOIC-8 (U2) (voltage rail splitter buffer)
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2x 10u/16v smd electrolytic capacitor (C3, C11)
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16x 100n 0805 ceramic capacitor (all other C)
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6x 10k 0603 resistor (R3, R4, R9, R10, R21, R22)
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6x 100k 0603 resistor (R1, R2, R17-20)
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6x 22k 0603 resistor (R11-16)
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2x 2k7 0603 resistor (R5, R6)
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2x 8k2 0603 resistor (R7, R8)
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2x 330r resistor (R23, R24) (current-limiting resistors for voltage leds)
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2x 3mm LED of your choice (D2, D3) (voltage indicator leds)
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1x 1n4001 diode (D1)
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1x 10k single turn trimmer, flat, legs (RV2) - sub volume
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1x alps RK09L12B 10k log stereo potentiometer (RV1) - main volume
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1x "MS 500FVT"@reichelt.de switch, DPDT (SW1)
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1x standard DC 2.1mm pcb-mount jack
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Input/Output Jacks can be selected to your liking between 3.5mm and 6.3mm jacks, you will need a total of 4 jacks:
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Neutrik NRJ6HF for 6.3mm and corresponding nut
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Lumberg 1503-09 for 3.5mm
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