Version 4
SHEET 1 1156 680
WIRE 480 -96 416 -96
WIRE 608 -96 544 -96
WIRE 608 -48 608 -96
WIRE 608 -48 512 -48
WIRE 752 -48 608 -48
WIRE -512 -32 -528 -32
WIRE 752 -16 752 -48
WIRE -320 0 -368 0
WIRE -192 0 -240 0
WIRE -144 0 -192 0
WIRE 0 0 -64 0
WIRE 32 0 0 0
WIRE 176 0 96 0
WIRE 224 0 176 0
WIRE 272 0 224 0
WIRE 304 0 272 0
WIRE 416 0 416 -96
WIRE 416 0 384 0
WIRE 448 0 416 0
WIRE 608 0 608 -48
WIRE 176 16 176 0
WIRE -512 32 -608 32
WIRE -608 64 -608 32
WIRE -528 64 -528 -32
WIRE -512 64 -528 64
WIRE 752 80 752 64
WIRE 512 96 512 48
WIRE 608 96 608 64
WIRE 176 112 176 96
WIRE -608 176 -608 144
WIRE -528 176 -528 64
WIRE -528 176 -608 176
WIRE 272 176 272 0
WIRE -608 192 -608 176
WIRE 176 208 176 192
WIRE 752 272 752 160
WIRE 176 304 176 288
WIRE 176 400 176 384
WIRE 272 400 272 240
WIRE 272 400 176 400
WIRE 752 400 752 352
WIRE 752 400 272 400
WIRE 176 416 176 400
FLAG 512 96 0
FLAG 176 416 0
FLAG 608 96 0
FLAG -192 0 src
FLAG 0 0 in
FLAG -608 192 0
FLAG 224 0 sk
SYMBOL ind 192 0 M0
SYMATTR InstName L1
SYMATTR Value 12µ
SYMATTR SpiceLine Rser=0.2 Rpar=10k
SYMBOL ind 192 96 M0
SYMATTR InstName L2
SYMATTR Value 12µ
SYMATTR SpiceLine Rser=0.2 Rpar=10k
SYMBOL ind 192 192 M0
SYMATTR InstName L3
SYMATTR Value 12µ
SYMATTR SpiceLine Rser=0.2 Rpar=10k
SYMBOL ind 192 288 M0
SYMATTR InstName L4
SYMATTR Value 12µ
SYMATTR SpiceLine Rser=0.2 Rpar=10k
SYMBOL pnp 448 48 M180
WINDOW 0 75 16 Left 2
WINDOW 3 23 52 Left 2
SYMATTR InstName Q1
SYMATTR Value BC557C
SYMBOL res 400 -16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 470
SYMBOL res 768 -32 M0
SYMATTR InstName R2
SYMATTR Value 4k
SYMBOL ind 768 64 M0
SYMATTR InstName L5
SYMATTR Value 2.5H
SYMBOL cap 592 0 R0
SYMATTR InstName C4
SYMATTR Value 220p
SYMBOL cap 544 -112 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 22p
SYMBOL Misc\\battery 752 256 M0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 0.63
SYMBOL res -48 -16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 5k
SYMBOL SpecialFunctions\\modulate -512 -32 R0
WINDOW 3 0 0 Invisible 2
SYMATTR Value mark=1000k space=1000k
SYMATTR InstName A1
SYMBOL voltage -608 48 M0
WINDOW 3 -137 103 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value SINE(2m 1.4m 1k)
SYMATTR InstName V2
SYMBOL voltage -336 0 M90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 36 57 VTop 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value ""
SYMATTR Value2 AC 2
SYMBOL cap 96 -16 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 20p
SYMBOL cap 256 176 R0
SYMATTR InstName C2
SYMATTR Value 470.8p
TEXT 800 224 VRight 2 ;einstelllbar für\nRückkopplung
TEXT 800 -32 VRight 2 ;Kopfhöhrer Model\nImp.~20k bei 1kHz
TEXT 192 56 Left 2 ;14W.
TEXT 192 152 Left 2 ;14W.
TEXT 192 248 Left 2 ;14W.
TEXT 192 344 Left 2 ;14W.
TEXT -368 232 Left 2 !.tran 0 5m 0 2n
TEXT -368 264 Left 2 !;ac dec 100k 900k 1100k
TEXT 64 88 VRight 2 ;Dralowid Spulenkörper\n4 Kammern mit Ferritkern