Version 4
SHEET 1 1944 972
WIRE 144 -368 -64 -368
WIRE 368 -368 144 -368
WIRE 432 -368 368 -368
WIRE 560 -368 512 -368
WIRE -64 -256 -64 -368
WIRE 144 -256 144 -368
WIRE 368 -256 368 -368
WIRE 432 -256 368 -256
WIRE 560 -256 560 -368
WIRE 560 -256 512 -256
WIRE -368 -208 -464 -208
WIRE -240 -208 -304 -208
WIRE -112 -208 -240 -208
WIRE 96 -208 48 -208
WIRE 560 -176 560 -256
WIRE -240 -96 -240 -208
WIRE 48 -96 48 -208
WIRE 48 -96 -240 -96
WIRE 560 -80 560 -176
WIRE -96 -32 -96 -160
WIRE 112 -32 112 -160
WIRE 112 -32 -96 -32
WIRE 368 -32 112 -32
WIRE -240 32 -240 -96
WIRE -464 224 -464 -208
WIRE 368 240 368 -32
WIRE 368 240 256 240
WIRE 256 272 256 240
WIRE 368 288 368 240
WIRE -464 384 -464 304
WIRE -240 384 -240 112
WIRE -240 384 -464 384
WIRE 256 384 256 336
WIRE 256 384 -240 384
WIRE 368 384 368 368
WIRE 368 384 256 384
WIRE 560 384 560 0
WIRE 560 384 368 384
WIRE 368 416 368 384
FLAG 368 416 0
FLAG 560 -176 +Ub
FLAG 368 -368 a
SYMBOL Misc\\EuropeanResistor 352 272 R0
SYMATTR InstName R1
SYMATTR Value 1416
SYMBOL Misc\\EuropeanResistor -224 128 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R2
SYMATTR Value 1Meg
SYMBOL voltage 560 -96 R0
WINDOW 123 0 0 Left 2
WINDOW 39 36 42 Left 2
SYMATTR SpiceLine Rser=0
SYMATTR InstName V1
SYMATTR Value 260
SYMBOL Misc\\triode 144 -208 R0
SYMATTR InstName U2
SYMATTR Value 12AU7
SYMBOL cap -304 -224 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 10nF
SYMBOL voltage -464 208 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value SINE(0 12 1K)
SYMBOL cap 240 272 R0
SYMATTR InstName C2
SYMATTR Value 100µ
SYMBOL res 528 -272 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 22K
SYMBOL ind 416 -352 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 12
SYMATTR SpiceLine Rser=0
SYMBOL Misc\\triode -64 -208 R0
SYMATTR InstName U1
SYMATTR Value 12AU7
TEXT -56 448 Left 2 !.tran 0 10m 5m 50µ
TEXT -56 480 Left 2 !.inc koren_tubes.cir
TEXT 224 -56 Left 2 ;12.28VDC
TEXT -40 -328 Left 2 ;Pa_ges=2.2W
TEXT 432 -192 Left 2 ;ri=5K8