* Z:\home\khalils\Downloads\files\data\raw_asc\1f17743132e4_BassFilterSK.asc
* Generated by LTspice 26.0.1 for Windows.
* [60Hz to 250Hz]
;tran 0.05
C4 N005 N004 6.8n
C6 N006 N002 24n
R4 N004 F1 63.5k
R2 N007 0 118k
C2 N003 N001 13n
XU2 N005 0 F2 opamp Aol=100K GBW=10Meg ;pnba invin)noninvin)out
XU3 N006 0 F3 opamp Aol=100K GBW=10Meg ;pnba invin)noninvin)out
R9 F3 N006 332k
XU1 N003 N007 F1 opamp Aol=100K GBW=10Meg ;pnba invin)noninvin)out
C5 F3 N002 24n
V1 Vi 0 SINE(0 1 260) AC 1
R7 F2 N002 67.6k
C3 F2 N004 6.8n
R3 F1 N003 90.7k
R1 N001 Vi 111k
C1 F1 N001 13n
R5 0 N004 62.2k
R8 N002 0 66.2k
R10 N007 F1 163k
R6 N005 F2 312k
.lib opamp.sub
.ac dec 100 10 1000
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 1296 680
WIRE -208 16 -256 16
WIRE -80 16 -144 16
WIRE 192 16 -80 16
WIRE 480 16 416 16
WIRE 736 16 480 16
WIRE 896 16 880 16
WIRE 1024 16 960 16
WIRE 1264 16 1024 16
WIRE -400 144 -480 144
WIRE -256 144 -256 16
WIRE -256 144 -320 144
WIRE -208 144 -256 144
WIRE -80 144 -80 96
WIRE -80 144 -144 144
WIRE 64 144 -80 144
WIRE 352 144 352 16
WIRE 352 144 320 144
WIRE 480 144 480 96
WIRE 480 144 416 144
WIRE 624 144 480 144
WIRE 880 144 880 16
WIRE 880 144 848 144
WIRE 896 144 880 144
WIRE 1024 144 1024 96
WIRE 1024 144 960 144
WIRE 1136 144 1024 144
WIRE 192 160 192 16
WIRE 192 160 128 160
WIRE 240 160 240 144
WIRE 240 160 192 160
WIRE 736 160 736 16
WIRE 736 160 688 160
WIRE 768 160 768 144
WIRE 768 160 736 160
WIRE 1264 160 1264 16
WIRE 1264 160 1200 160
WIRE -480 176 -480 144
WIRE 64 176 0 176
WIRE 624 176 528 176
WIRE 1136 176 1040 176
WIRE 192 192 192 160
WIRE 352 192 352 144
WIRE 880 192 880 144
WIRE -480 288 -480 256
WIRE 0 288 0 176
WIRE 192 288 192 272
WIRE 192 288 0 288
WIRE 352 288 352 272
WIRE 528 288 528 176
WIRE 880 288 880 272
WIRE 1040 288 1040 176
WIRE 192 320 192 288
WIRE 192 416 192 400
SYMBOL voltage -480 160 R0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 0
SYMATTR Value2 AC 1
SYMATTR InstName V1
SYMATTR Value SINE(0 1 260)
SYMBOL cap -144 0 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 13n
SYMBOL cap 416 128 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 6.8n
SYMBOL res 864 176 R0
SYMATTR InstName R8
SYMATTR Value 66.2k
SYMBOL res -96 0 R0
SYMATTR InstName R3
SYMATTR Value 90.7k
SYMBOL res 208 288 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R10
SYMATTR Value 163k
SYMBOL OpAmps\\opamp 1168 96 R0
SYMATTR InstName U3
SYMBOL cap 960 0 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 24n
SYMBOL res -304 128 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 111k
SYMBOL res 336 128 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 63.5k
SYMBOL cap 416 0 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 6.8n
SYMBOL res 176 304 R0
SYMATTR InstName R2
SYMATTR Value 118k
SYMBOL OpAmps\\opamp 656 96 R0
SYMATTR InstName U2
SYMBOL res 368 288 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R5
SYMATTR Value 62.2k
SYMBOL OpAmps\\opamp 96 96 R0
SYMATTR InstName U1
SYMBOL cap -144 128 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 13n
SYMBOL cap 960 128 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C6
SYMATTR Value 24n
SYMBOL res 752 160 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R7
SYMATTR Value 67.6k
SYMBOL res 1008 0 R0
SYMATTR InstName R9
SYMATTR Value 332k
SYMBOL res 496 112 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R6
SYMATTR Value 312k
FLAG 528 288 0
FLAG -480 288 0
FLAG 192 16 F1
FLAG 736 16 F2
FLAG -480 144 Vi
FLAG 1040 288 0
FLAG 1264 16 F3
FLAG 880 288 0
FLAG 352 288 0
FLAG 192 416 0
TEXT 432 -88 Left 2 !;tran 0.05
TEXT 184 -48 Left 2 !.lib opamp.sub
TEXT 432 -48 Left 2 !.ac dec 100 10 1000
TEXT -72 -56 Left 2 ;[60Hz to 250Hz]