Version 4
SHEET 1 880 680
WIRE -720 -48 -928 -48
WIRE -576 -48 -720 -48
WIRE 448 -48 -576 -48
WIRE -928 -16 -928 -48
WIRE 256 0 208 0
WIRE 384 0 336 0
WIRE 560 0 384 0
WIRE 448 64 448 -48
WIRE 384 80 384 0
WIRE 416 80 384 80
WIRE -720 96 -720 -48
WIRE -576 96 -576 -48
WIRE 560 96 560 0
WIRE 560 96 480 96
WIRE 592 96 560 96
WIRE 736 96 656 96
WIRE -16 112 -336 112
WIRE 96 112 48 112
WIRE 128 112 96 112
WIRE 208 112 208 0
WIRE 208 112 192 112
WIRE 256 112 208 112
WIRE 352 112 320 112
WIRE 416 112 352 112
WIRE -928 128 -928 64
WIRE -928 128 -992 128
WIRE -832 128 -928 128
WIRE 352 144 352 112
WIRE 736 160 736 96
WIRE -928 176 -928 128
WIRE -832 176 -832 128
WIRE 96 208 96 112
WIRE -928 288 -928 256
WIRE -832 288 -832 240
WIRE -832 288 -928 288
WIRE -720 288 -720 176
WIRE -720 288 -832 288
WIRE -576 288 -576 160
WIRE -576 288 -720 288
WIRE 96 288 -576 288
WIRE 448 288 448 128
WIRE 448 288 96 288
WIRE 736 288 736 240
WIRE 736 288 448 288
WIRE -720 336 -720 288
WIRE -992 368 -992 128
WIRE 352 368 352 224
WIRE 352 368 -992 368
FLAG -336 192 0
FLAG -720 336 0
SYMBOL cap 48 96 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 470n
SYMBOL cap 192 96 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 470n
SYMBOL cap 320 96 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 470n
SYMBOL res 80 192 R0
SYMATTR InstName R1
SYMATTR Value 4k02
SYMBOL res 336 128 R0
SYMATTR InstName R2
SYMATTR Value 28k
SYMBOL res 352 -16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 36 60 VTop 2
SYMATTR InstName R3
SYMATTR Value 1k6
SYMBOL res 752 256 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName Verstärker
SYMATTR Value 20k
SYMBOL voltage -336 96 R0
WINDOW 0 -36 -17 Left 2
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName Audiosignal
SYMATTR Value2 AC 1
SYMATTR Value SINE(5 1 250)
SYMBOL voltage -720 80 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 15
SYMBOL cap 656 80 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 10µ
SYMBOL cap -592 96 R0
SYMATTR InstName C6
SYMATTR Value 1000µ
SYMBOL res -944 -32 R0
SYMATTR InstName R4
SYMATTR Value 34k8
SYMBOL res -944 160 R0
SYMATTR InstName R5
SYMATTR Value 34k8
SYMBOL Opamps\\NE5532 448 96 R0
SYMATTR InstName U1
SYMBOL cap -848 176 R0
SYMATTR InstName C4
SYMATTR Value 10µ
TEXT -368 312 Left 2 !.ac dec 100 20 250