Version 4 SHEET 1 1940 836 WIRE 624 -432 624 -480 WIRE 1488 -352 1424 -352 WIRE 1616 -352 1568 -352 WIRE 304 -288 304 -336 WIRE 624 -288 624 -368 WIRE 784 -288 784 -320 WIRE 560 -240 448 -240 WIRE 1440 -224 1200 -224 WIRE 1616 -224 1616 -352 WIRE 1616 -224 1504 -224 WIRE 1664 -224 1616 -224 WIRE 1440 -192 1440 -224 WIRE 1504 -192 1504 -224 WIRE 1616 -192 1616 -224 WIRE 304 -160 304 -208 WIRE 336 -160 304 -160 WIRE 448 -160 448 -240 WIRE 448 -160 400 -160 WIRE 624 -160 624 -192 WIRE 784 -160 784 -208 WIRE 880 -160 784 -160 WIRE 1200 -160 1200 -224 WIRE 448 -128 448 -160 WIRE 784 -128 784 -160 WIRE 1296 -112 1248 -112 WIRE 880 -96 880 -160 WIRE 912 -96 880 -96 WIRE 1008 -96 976 -96 WIRE 1152 -96 1008 -96 WIRE 624 -80 624 -96 WIRE 624 -80 512 -80 WIRE 736 -80 624 -80 WIRE 1504 -80 1504 -112 WIRE 1536 -80 1504 -80 WIRE 1616 -80 1616 -112 WIRE 1616 -80 1536 -80 WIRE 304 -48 304 -160 WIRE 1008 -48 1008 -96 WIRE 128 0 0 0 WIRE 256 0 128 0 WIRE 752 48 752 -32 WIRE 752 48 704 48 WIRE 128 64 128 0 WIRE 1168 64 1168 -48 WIRE 1168 64 1088 64 WIRE 752 96 752 48 WIRE 1088 112 1088 64 WIRE 1168 112 1168 64 WIRE 0 128 0 0 WIRE 272 144 272 48 WIRE 368 144 272 144 WIRE 272 192 272 144 WIRE 368 208 368 144 WIRE 0 320 0 208 WIRE 128 320 128 144 WIRE 128 320 0 320 WIRE 272 320 272 272 WIRE 272 320 128 320 WIRE 368 320 368 272 WIRE 368 320 272 320 WIRE 448 320 448 -32 WIRE 448 320 368 320 WIRE 752 320 752 176 WIRE 752 320 448 320 WIRE 1008 320 1008 32 WIRE 1008 320 752 320 WIRE 1088 320 1088 176 WIRE 1088 320 1008 320 WIRE 1168 320 1168 192 WIRE 1168 320 1088 320 WIRE 1536 320 1536 -80 WIRE 1536 320 1168 320 WIRE 0 384 0 320 WIRE 1120 416 1088 416 WIRE 1168 416 1120 416 WIRE 1296 416 1296 -112 WIRE 1296 416 1248 416 WIRE 1328 416 1296 416 WIRE 1440 416 1440 -112 WIRE 1440 416 1408 416 WIRE 1584 416 1440 416 WIRE 1584 464 1584 416 WIRE 1120 496 1120 416 WIRE 1296 496 1296 416 WIRE 1440 496 1440 416 WIRE 1120 592 1120 560 WIRE 1296 592 1296 560 WIRE 1440 592 1440 560 WIRE 1584 592 1584 544 FLAG 1664 -224 OUT IOPIN 1664 -224 Out FLAG 0 384 0 FLAG 1088 416 B2 IOPIN 1088 416 Out FLAG 1584 592 0 FLAG 1440 592 0 FLAG 1296 592 0 FLAG 304 -336 B2 IOPIN 304 -336 In FLAG 784 -320 B2 IOPIN 784 -320 In FLAG 1120 592 0 FLAG 624 -480 0 FLAG 704 48 NFB IOPIN 704 48 In FLAG 1424 -352 NFB IOPIN 1424 -352 Out DATAFLAG 1200 -224 "round($)" DATAFLAG 1136 64 "round($)" DATAFLAG 1280 -112 "round($)" DATAFLAG 1440 416 "round($)" DATAFLAG 1296 416 "round($)" DATAFLAG 1120 416 "round($)" DATAFLAG 304 -160 "round($)" SYMBOL voltage 0 112 R0 WINDOW 39 0 0 Left 0 WINDOW 3 -71 116 Left 2 SYMATTR Value SINE(0 20m 1K) SYMATTR Value2 AC 1 0 SYMATTR InstName V1 SYMBOL Misc\\triode 304 0 R0 WINDOW 3 -14 62 Left 2 SYMATTR Value 12AX7 SYMATTR InstName U1 SYMBOL res 992 -64 R0 SYMATTR InstName R3 SYMATTR Value 220K SYMBOL res 1152 96 R0 SYMATTR InstName R4 SYMATTR Value 470 SYMATTR SpiceLine pwr=5 SYMBOL Misc\\tetrode 1200 -112 R0 SYMATTR InstName U2 SYMATTR Value 6V6 SYMBOL polcap 1072 112 R0 SYMATTR InstName C1 SYMATTR Value 25µ SYMBOL ind2 1424 -96 M180 WINDOW 0 -24 76 Left 2 WINDOW 3 -41 32 Left 2 SYMATTR InstName L1 SYMATTR Value 16.2 SYMATTR Type ind SYMATTR SpiceLine Rser=272 Rpar=92K SYMBOL ind2 1520 -96 R180 WINDOW 0 -30 77 Left 2 WINDOW 3 -66 37 Left 2 SYMATTR InstName L2 SYMATTR Value 170m SYMATTR Type ind SYMBOL res 1600 -96 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R7 SYMATTR Value 8 SYMBOL voltage 1584 448 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value 433 SYMBOL res 112 48 R0 SYMATTR InstName R9 SYMATTR Value 1Meg SYMBOL polcap 1424 496 R0 SYMATTR InstName C2 SYMATTR Value 16µ SYMBOL res 1424 400 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R5 SYMATTR Value 10K SYMBOL polcap 1280 496 R0 SYMATTR InstName C6 SYMATTR Value 8µ SYMBOL Misc\\triode 784 -80 R0 WINDOW 3 -9 61 Left 2 SYMATTR Value 12AX7 SYMATTR InstName U3 SYMBOL res 288 -304 R0 SYMATTR InstName R1 SYMATTR Value 100K SYMBOL potentio 448 -80 R0 WINDOW 3 34 51 VRight 2 SYMATTR Value R=1Meg A={VOL} SYMATTR InstName U4 SYMBOL cap 608 -432 R0 SYMATTR InstName C4 SYMATTR Value 4.7n SYMBOL potentio 624 -240 M0 WINDOW 3 -60 104 VLeft 2 SYMATTR Value R=1Meg A={TONE} SYMATTR InstName U5 SYMBOL res 800 -304 M0 SYMATTR InstName R10 SYMATTR Value 100K SYMBOL cap 976 -112 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C10 SYMATTR Value 0.02µ SYMBOL res 1264 400 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R6 SYMATTR Value 22K SYMBOL polcap 1104 496 R0 SYMATTR InstName C5 SYMATTR Value 8µ SYMBOL res 256 176 R0 SYMATTR InstName R8 SYMATTR Value 1.5K SYMBOL cap 352 208 R0 SYMATTR InstName C7 SYMATTR Value 25µ SYMBOL cap 608 -160 R0 SYMATTR InstName C3 SYMATTR Value 470p SYMBOL cap 400 -176 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C8 SYMATTR Value 0.02µ SYMBOL res 736 80 R0 SYMATTR InstName R2 SYMATTR Value 1.5K SYMBOL res 1584 -368 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R11 SYMATTR Value 22K TEXT 248 408 Left 2 !.meas TRAN poweroutput AVG I(R7)*V(out)\n.inc KorenTube.inc\n.four 1K V(out)\n.tran 0 20m 10m 1u\n;.ac oct 10m 10 1000k\n.inc potentio.sub TEXT 1384 -248 Left 2 !K L1 L2 0.999 TEXT 1568 -32 Left 2 ;œÍ%¸¸Òœ·¤Â 5k:84Æ|ÇLµ\n1(Ì!Î xÇU³4Ѥ¬ 40H|·tº\n2(Ì!Î xÇU³4Ѥ”² 5000÷8=625\n40H÷625=0.064H TEXT 1376 -280 Left 2 ;Hammond 1760C TEXT 248 576 Left 2 !.step param TONE 0 1 0.25 TEXT 1184 208 Left 2 ;"1.15W" TEXT 1312 472 Left 2 ;"400mW" TEXT 1160 472 Left 2 ;"111mW" TEXT 808 -200 Left 2 ;"130mW" TEXT 176 -240 Left 2 ;"122mW" TEXT 256 648 Left 2 !.param VOL=1