Version 4
SHEET 1 1452 712
WIRE 464 -208 256 -208
WIRE 1216 -208 592 -208
WIRE 464 -192 464 -208
WIRE 144 -144 80 -144
WIRE 256 -144 256 -208
WIRE 256 -144 144 -144
WIRE 416 -144 256 -144
WIRE 592 -112 592 -208
WIRE 592 -112 528 -112
WIRE 656 -112 592 -112
WIRE 752 -112 656 -112
WIRE 960 -112 832 -112
WIRE 1088 -112 960 -112
WIRE 1296 -112 1088 -112
WIRE 1344 -112 1296 -112
WIRE 592 -80 592 -112
WIRE 1088 -64 1088 -112
WIRE 80 -48 80 -144
WIRE 480 32 480 -96
WIRE 528 32 480 32
WIRE 592 32 592 0
WIRE 592 32 528 32
WIRE 672 32 592 32
WIRE 816 32 736 32
WIRE 960 32 960 -112
WIRE 960 32 896 32
WIRE 1088 64 1088 16
WIRE 480 96 480 32
WIRE 1344 128 1344 -112
WIRE 80 144 80 32
WIRE 240 144 80 144
WIRE 368 144 320 144
WIRE 400 144 368 144
WIRE 432 144 400 144
WIRE 592 160 528 160
WIRE 800 160 592 160
WIRE 1088 160 1088 144
WIRE 1088 160 880 160
WIRE 1088 176 1088 160
WIRE 80 272 80 144
WIRE 240 272 80 272
WIRE 464 272 320 272
WIRE 512 272 512 208
WIRE 512 272 464 272
WIRE 1216 272 1216 -208
WIRE 1088 304 1088 256
WIRE 400 320 400 144
WIRE 512 320 512 272
WIRE 80 432 80 272
WIRE 240 432 80 432
WIRE 400 432 400 384
WIRE 400 432 320 432
WIRE 512 432 512 400
WIRE 512 432 400 432
WIRE 1088 432 1088 384
WIRE 1088 432 512 432
WIRE 1216 432 1216 352
WIRE 1216 432 1088 432
WIRE 1344 432 1344 208
WIRE 1344 432 1216 432
WIRE 80 448 80 432
FLAG 144 -144 450VDC
FLAG 80 448 0
FLAG 1296 -112 U_out
FLAG 368 144 g2
FLAG 592 160 g1EF
FLAG 528 32 g1EL
FLAG 656 -112 kEL
FLAG 464 272 kEF
SYMBOL Misc\\tetrode 480 144 M0
SYMATTR InstName U1
SYMATTR Value EF80
SYMBOL Misc\\tetrode 464 -144 R270
WINDOW 3 -23 -114 VRight 2
WINDOW 0 24 -79 VRight 2
SYMATTR Value EL34
SYMATTR InstName U2
SYMBOL voltage 80 -64 R0
WINDOW 0 22 6 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 24 124 Left 2
SYMATTR InstName V1
SYMATTR SpiceLine Rser=1
SYMATTR Value 450
SYMBOL Misc\\EuropeanResistor 576 -96 R0
SYMATTR InstName R1
SYMATTR Value 1000K
SYMBOL Misc\\EuropeanResistor 336 256 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 82K
SYMBOL Misc\\EuropeanResistor 1072 -80 R0
SYMATTR InstName R4
SYMATTR Value 3.5Meg
SYMBOL Misc\\EuropeanResistor 1104 48 M0
SYMATTR InstName P1a
SYMATTR Value {RP}
SYMBOL Misc\\EuropeanResistor 1200 256 R0
SYMATTR InstName R6
SYMATTR Value 60k
SYMBOL Misc\\EuropeanResistor 224 128 M90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 270k
SYMBOL diode 672 48 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value UPSC600
SYMBOL voltage 800 32 R270
WINDOW 0 10 109 VTop 2
WINDOW 3 -7 119 VBottom 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 100
SYMBOL Misc\\EuropeanResistor 736 -128 M90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 2.2k
SYMBOL Misc\\EuropeanResistor 1328 112 R0
SYMATTR InstName R8
SYMATTR Value 11k
SYMBOL cap 416 320 M0
SYMATTR InstName C2
SYMATTR Value 10n
SYMBOL voltage 224 432 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 -41 56 VBottom 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value 150
SYMBOL Misc\\EuropeanResistor 1072 288 R0
SYMATTR InstName R10
SYMATTR Value 600k
SYMBOL Misc\\EuropeanResistor 496 304 R0
SYMATTR InstName R12
SYMATTR Value 47K
SYMBOL Misc\\EuropeanResistor 784 144 M90
WINDOW 0 5 56 VBottom 2
WINDOW 3 36 53 VTop 2
SYMATTR InstName R13
SYMATTR Value 1Meg
SYMBOL Misc\\EuropeanResistor 1104 160 M0
SYMATTR InstName P1b
SYMATTR Value {1.5Meg-RP}
TEXT 616 496 Left 2 !.inc mySub\\Tubemods\\Koren_Tubes.inc
TEXT 392 464 Left 2 ;.tran 0 10 5 1
TEXT 704 -24 Left 2 ;D;V3=Glimmlampe
TEXT 832 -136 Left 2 ;Shunt
TEXT 1352 112 Left 2 ;Last
TEXT 704 -56 Left 2 ;Strombegrenzung
TEXT 544 112 Left 2 ;Regelverstärker
TEXT 336 -80 Left 2 ;Längsröhre
TEXT 1112 144 Left 2 ;Poti \n1.5Meg
TEXT 1224 368 Left 2 ;Bleeder
TEXT 616 464 Left 2 !.step param RP 10k 1490k 10k
TEXT 392 488 Left 2 !.op