Version 4 SHEET 1 4884 2212 WIRE -240 -368 -368 -368 WIRE -128 -368 -240 -368 WIRE 16 -368 -128 -368 WIRE 288 -368 96 -368 WIRE 848 -368 288 -368 WIRE 944 -368 848 -368 WIRE 1040 -368 944 -368 WIRE 1184 -368 1120 -368 WIRE 944 -320 944 -368 WIRE 1184 -320 1184 -368 WIRE -368 -304 -368 -368 WIRE 288 -304 288 -368 WIRE -240 -288 -240 -368 WIRE -128 -208 -128 -368 WIRE -368 -176 -368 -240 WIRE -240 -176 -240 -208 WIRE 288 -160 288 -224 WIRE 496 -160 288 -160 WIRE 624 -160 560 -160 WIRE 944 -160 944 -256 WIRE 1184 -160 1184 -240 WIRE 1200 -160 1184 -160 WIRE 288 -96 288 -160 WIRE 848 0 848 -368 WIRE 288 16 288 -16 WIRE 288 16 240 16 WIRE 288 48 288 16 WIRE 784 48 288 48 WIRE -128 96 -128 -128 WIRE 176 96 176 16 WIRE 176 96 -128 96 WIRE 224 96 176 96 WIRE 1472 128 1440 128 WIRE -1712 144 -1952 144 WIRE -1552 144 -1712 144 WIRE -1360 144 -1552 144 WIRE -1216 144 -1280 144 WIRE -848 144 -1136 144 WIRE -688 144 -848 144 WIRE -608 144 -688 144 WIRE -480 144 -544 144 WIRE -336 144 -400 144 WIRE -224 144 -336 144 WIRE -192 144 -224 144 WIRE -336 192 -336 144 WIRE -1952 208 -1952 144 WIRE -1552 208 -1552 144 WIRE -848 208 -848 144 WIRE 288 208 288 144 WIRE 480 208 288 208 WIRE 624 208 624 -160 WIRE 848 208 848 96 WIRE 848 208 624 208 WIRE 1008 208 848 208 WIRE 1184 208 1072 208 WIRE 1280 208 1184 208 WIRE 1440 208 1440 128 WIRE 1440 208 1360 208 WIRE 1520 208 1440 208 WIRE 1680 208 1568 208 WIRE 1776 208 1680 208 WIRE -688 224 -688 144 WIRE -224 224 -224 144 WIRE -128 224 -128 192 WIRE -128 224 -160 224 WIRE 1680 240 1680 208 WIRE 288 272 288 208 WIRE 1568 288 1568 208 WIRE 480 304 480 208 WIRE 1520 304 1520 208 WIRE -848 352 -848 288 WIRE -688 352 -688 288 WIRE 1680 352 1680 320 WIRE -336 384 -336 272 WIRE 288 384 288 352 WIRE 288 384 -336 384 WIRE 848 384 848 208 WIRE -1952 416 -1952 272 WIRE -1552 416 -1552 272 WIRE -128 480 -128 224 WIRE -128 480 -336 480 WIRE -128 512 -128 480 WIRE 288 528 288 384 WIRE -1952 560 -1952 496 WIRE -1552 560 -1552 496 WIRE -128 640 -128 592 WIRE 288 640 288 608 WIRE 480 640 480 368 WIRE 800 640 800 448 WIRE 848 640 848 480 WIRE 464 800 208 800 WIRE 816 800 544 800 WIRE 464 896 400 896 WIRE 608 896 528 896 WIRE -336 1008 -336 480 WIRE 208 1008 208 800 WIRE 208 1008 -336 1008 WIRE 240 1008 208 1008 WIRE 400 1008 400 896 WIRE 400 1008 320 1008 WIRE 464 1008 400 1008 WIRE 608 1008 608 896 WIRE 608 1008 544 1008 WIRE 704 1008 608 1008 WIRE 816 1008 816 800 WIRE 816 1008 768 1008 WIRE 1024 1008 816 1008 WIRE 1184 1008 1184 208 WIRE 1184 1008 1088 1008 WIRE -336 1248 -336 1008 WIRE 448 1248 -336 1248 WIRE 1024 1248 528 1248 WIRE 1184 1248 1184 1008 WIRE 1184 1248 1088 1248 WIRE 432 1392 400 1392 WIRE 528 1392 496 1392 WIRE 544 1392 528 1392 WIRE 640 1392 608 1392 WIRE -336 1488 -336 1248 WIRE 400 1488 400 1392 WIRE 400 1488 -336 1488 WIRE 432 1488 400 1488 WIRE 528 1488 528 1392 WIRE 528 1488 512 1488 WIRE 544 1488 528 1488 WIRE 640 1488 640 1392 WIRE 640 1488 624 1488 WIRE 656 1488 640 1488 WIRE 1040 1488 736 1488 WIRE 1184 1488 1184 1248 WIRE 1184 1488 1104 1488 FLAG -1712 144 in FLAG -848 352 0 FLAG -688 352 0 FLAG -128 640 0 FLAG 288 640 0 FLAG -368 -176 0 FLAG 480 640 0 FLAG -240 -176 0 FLAG 1184 -160 0 FLAG -1952 560 0 FLAG 944 -160 0 FLAG 1776 208 INVERSE_RIAA FLAG 1680 352 0 FLAG 1520 352 0 FLAG 1568 368 0 FLAG 1472 128 out FLAG 800 640 0 FLAG 848 640 0 FLAG -1552 560 0 DATAFLAG 464 48 "" DATAFLAG 16 96 "" DATAFLAG 848 208 "" DATAFLAG 400 -160 "" DATAFLAG 96 384 "" DATAFLAG -240 480 "" SYMBOL npn -192 96 R0 SYMATTR InstName Q1 SYMATTR Value BC547B SYMBOL npn 224 48 R0 SYMATTR InstName Q2 SYMATTR Value BC547B SYMBOL res -144 -224 R0 SYMATTR InstName R1 SYMATTR Value 100k SYMBOL res 112 -384 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 38 62 VTop 2 SYMATTR InstName R2 SYMATTR Value 47k SYMBOL res 272 -112 R0 SYMATTR InstName R3 SYMATTR Value 10k SYMBOL res -144 496 R0 SYMATTR InstName R4 SYMATTR Value 510 SYMBOL res 272 256 R0 SYMATTR InstName R5 SYMATTR Value 1k8 SYMBOL res 272 512 R0 SYMATTR InstName R6 SYMATTR Value 1k2 SYMBOL res 272 -320 R0 SYMATTR InstName R7 SYMATTR Value 10k SYMBOL res -352 176 R0 SYMATTR InstName R8 SYMATTR Value 221k SYMBOL res -384 128 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R9 SYMATTR Value 475 SYMBOL cap -544 128 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value 1µ SYMBOL cap -672 288 R180 WINDOW 0 24 56 Left 2 WINDOW 3 24 8 Left 2 SYMATTR InstName C2 SYMATTR Value 150p SYMBOL res -864 192 R0 SYMATTR InstName R10 SYMATTR Value 62k SYMBOL polcap -384 -304 R0 WINDOW 3 24 56 Left 2 SYMATTR Value 4.7µ SYMATTR InstName C3 SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=35 Irms=27m Rser=5 Lser=0 mfg="Nichicon" pn="UPR1V4R7MAH" type="Al electrolytic" SYMBOL polcap 496 368 R180 WINDOW 0 24 57 Left 2 WINDOW 3 24 8 Left 2 SYMATTR InstName C4 SYMATTR Value 10µ SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=35 Irms=44m Rser=2.8 Lser=0 SYMBOL npn 784 0 R0 SYMATTR InstName Q3 SYMATTR Value BC547C SYMBOL polcap 496 -144 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C5 SYMATTR Value 10µ SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=35 Irms=44m Rser=2.8 Lser=0 SYMBOL cap -160 208 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C6 SYMATTR Value 1n SYMBOL cap 240 0 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C7 SYMATTR Value 4p7 SYMBOL res -256 -304 R0 SYMATTR InstName R11 SYMATTR Value 12k SYMBOL voltage -1952 400 R0 WINDOW 123 24 124 Left 2 WINDOW 39 0 0 Left 0 WINDOW 3 -62 250 Left 2 SYMATTR Value2 AC 1 SYMATTR Value SINE(0 1m {f}) SYMATTR InstName V1 SYMBOL voltage 1184 -336 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value 30.5 SYMBOL res 1376 192 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R12 SYMATTR Value 47.5 SYMBOL res 336 992 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R13 SYMATTR Value 2k21 SYMBOL res 560 992 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R14 SYMATTR Value 55k SYMBOL cap 768 992 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C9 SYMATTR Value 4n7 SYMBOL cap 528 880 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C10 SYMATTR Value 1n5 SYMBOL res 560 784 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R15 SYMATTR Value 619k SYMBOL polcap 928 -320 R0 WINDOW 3 24 56 Left 2 SYMATTR Value 270µ SYMATTR InstName C11 SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=50 Irms=1.04 Rser=0.09 Lser=0 mfg="Panasonic" pn="ECA1HFQ271" type="Al electrolytic" SYMBOL res 1136 -384 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R16 SYMATTR Value 4.7 SYMBOL polcap 1008 224 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C8 SYMATTR Value 270µ SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=35 Irms=44m Rser=2.8 Lser=0 SYMBOL e 1568 272 R0 WINDOW 3 -12 125 Left 2 SYMATTR Value laplace ((1+3183u*s)*(1+75u*s))/((1+318.3u*s)*(1+3.183u*s)) SYMATTR InstName E3 SYMBOL res 544 1232 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R21 SYMATTR Value 4k64 SYMBOL Misc\\jumper 1056 944 R0 WINDOW 0 -9 32 Bottom 2 SYMATTR InstName X1 SYMBOL res 1664 224 R0 SYMATTR InstName R22 SYMATTR Value 10k SYMBOL res 528 1472 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R17 SYMATTR Value {Ra} SYMBOL res 640 1472 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R18 SYMATTR Value {Rb} SYMBOL res 752 1472 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R19 SYMATTR Value {Rd} SYMBOL cap 496 1376 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C12 SYMATTR Value {Ca} SYMBOL cap 608 1376 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C13 SYMATTR Value {Cb} SYMBOL res -1264 128 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R24 SYMATTR Value 600 SYMBOL ind -1232 160 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 500m SYMBOL njf 800 384 R0 SYMATTR InstName J1 SYMATTR Value 2N5484 SYMBOL voltage -1552 400 R0 WINDOW 123 24 124 Left 2 WINDOW 39 0 0 Left 0 WINDOW 3 -149 240 Left 2 SYMATTR Value2 AC 1 SYMATTR Value PULSE(0 1m {100/f} 1u 1u .5m 1m) SYMATTR InstName V3 SYMBOL Misc\\jumper -1888 240 R90 WINDOW 0 16 36 Bottom 2 SYMATTR InstName X3 TEXT -1888 -392 Left 4 !.ac oct 100 1 100k TEXT -1888 -328 Left 4 ;.op TEXT 1216 1008 Left 2 ;riaa TEXT 1224 1248 Left 2 ;straight TEXT 792 1624 Right 2 !.param Ra=921.7k\n.param Rb=75.0k\n.param Rc=1.78k\n.param Rd=2.49k\n.param Ca=3450p\n.param Cb=1000p TEXT -1888 -464 Left 4 ;.noise V(out) V1 oct 100 1 100k TEXT -1896 -632 Left 2 ;change current SPICE directive(black) to Comment (blue)\n(select current one, press [Escape], then you can change it to Comment)\n select new one\nand change from Comment-> SPICE directive TEXT -1272 48 Left 2 ;cartridge impedance TEXT 224 1752 Left 5 ;RIAA TEXT 216 1120 Left 5 ;RIAA TEXT -2048 704 Left 4 !.param f=1k TEXT -1896 -264 Left 4 ;.tran 0 {100/f+10/{f}} {100/f} {1000/f} TEXT -2048 784 Left 4 !.options plotwinsize = 0 TEXT -672 -936 Left 6 ;Blackdog (based on design HP Walker)\nCO\\forum\\audio\\transistor voorversterker met goede eigenschappen.\n2020-09-15 TEXT -1968 80 Left 4 ;sine TEXT -1616 80 Left 4 ;square TEXT -2032 856 Left 4 !.four {f} V(out) TEXT 1224 1488 Left 2 ;https://www.andyc.diy-audio-engineering.org/phono_preamp.html RECTANGLE Normal 160 1808 880 1312 1 RECTANGLE Normal -960 256 -1424 0 1 RECTANGLE Normal 880 1184 160 704 1 RECTANGLE Normal -1024 -192 -1952 -720