Version 4
SHEET 1 1080 776
WIRE 1008 -384 256 -384
WIRE 256 -160 256 -384
WIRE 208 -112 16 -112
WIRE 224 -16 224 -64
WIRE 256 -16 224 -16
WIRE 608 -16 256 -16
WIRE 784 -16 672 -16
WIRE 256 32 256 -16
WIRE 1008 64 1008 -384
WIRE 16 144 16 -112
WIRE 256 144 256 112
WIRE 256 144 16 144
WIRE 256 192 256 144
WIRE 16 240 -240 240
WIRE 208 240 16 240
WIRE -240 288 -240 240
WIRE 224 336 224 288
WIRE 432 336 224 336
WIRE 784 384 784 -16
WIRE 784 384 656 384
WIRE 16 400 16 240
WIRE 224 400 224 336
WIRE 432 400 432 336
WIRE -240 416 -240 352
WIRE 784 416 784 384
WIRE 16 560 16 480
WIRE 224 560 224 480
WIRE 224 560 16 560
WIRE 432 560 432 464
WIRE 432 560 224 560
WIRE 784 560 784 496
WIRE 784 560 432 560
WIRE 1008 560 1008 144
WIRE 1008 560 784 560
WIRE 224 608 224 560
WIRE -240 688 -240 496
WIRE 656 688 656 384
WIRE 656 688 -240 688
FLAG 224 608 0
SYMBOL Misc\\triode 256 240 R0
SYMATTR InstName U1
SYMATTR Value 6DJ8
SYMBOL Misc\\triode 256 -112 R0
SYMATTR InstName U2
SYMATTR Value 6DJ8
SYMBOL Misc\\EuropeanResistor 208 384 R0
SYMATTR InstName R1
SYMATTR Value 220R
SYMBOL Misc\\EuropeanResistor 0 384 R0
SYMATTR InstName R2
SYMATTR Value 220K
SYMBOL Misc\\EuropeanResistor 240 16 R0
SYMATTR InstName R3
SYMATTR Value 220R
SYMBOL voltage 1008 48 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 286
SYMBOL voltage -240 400 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 -8 -202 Left 2
SYMATTR Value SINE(0 4.3 1K 0 0 0 15)
SYMATTR InstName V2
SYMBOL cap -256 288 R0
SYMATTR InstName C1
SYMATTR Value 100n
SYMBOL cap 416 400 R0
SYMATTR InstName C3
SYMATTR Value 26µ
SYMBOL cap 672 -32 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 26µ
SYMBOL res 768 400 R0
SYMATTR InstName R4
SYMATTR Value 32
TEXT 16 720 Left 2 !.INC Koren_Tubes.cir
TEXT 16 760 Left 2 !.tran 0 15m 5m 50µ