24. Preamplifier

Status:

24.1. Schematic

24.2. Board

Normal, bottom mirrored, wires only:

24.3. Partlist

part	value	position
C1	1u	(20.28 19.21)
C2	1u	(41.69 3.37)
C3	47n	(19.21 3.21)
C4	100p	(6.97 24.58)
C5	10u	(41.66 20.61)
C7	100u	(34.5 23.53)
R1	10k	(6.97 3.42)
R2	1M	(5.97 19.5)
R3	1M	(19.48 8.29)
R4	27k	(32.99 3.37)
R6	330k	(28.64 12.26)
R7	330	(47.72 16.31)
R8	100k	(51.64 16.31)
R9	100k	(13.93 21.48)
R10	100k	(19.48 13.37)
SL1	IN	(3.81 11.96)
SL2	OUT	(50.82 6.12)
SL3	9V Bat	(26.88 22.8)
U1	TL081P	(36.53 12.26)

24.4. 3D view

24.4.1. Front

24.4.2. Right side

24.4.3. Left side

24.4.4. Bottom

24.5. Sources

original design