Version 4
SHEET 1 1480 1012
WIRE -96 -320 -304 -320
WIRE -64 -320 -96 -320
WIRE -304 -256 -304 -320
WIRE -64 -240 -64 -320
WIRE 32 -240 -64 -240
WIRE 32 -144 -64 -144
WIRE -304 -96 -304 -176
WIRE -64 -96 -64 -144
WIRE -48 32 -80 32
WIRE 64 32 32 32
WIRE 96 32 64 32
WIRE 208 32 176 32
WIRE -288 128 -368 128
WIRE -224 128 -288 128
WIRE -80 128 -80 32
WIRE -80 128 -144 128
WIRE -48 128 -80 128
WIRE 64 128 64 32
WIRE 64 128 32 128
WIRE 96 128 64 128
WIRE 208 128 208 32
WIRE 208 128 176 128
WIRE 288 128 208 128
WIRE 384 128 288 128
WIRE 480 128 384 128
WIRE 288 160 288 128
WIRE 480 160 480 128
WIRE -368 176 -368 128
WIRE 384 176 384 128
WIRE -368 288 -368 256
WIRE 288 288 288 240
WIRE 384 288 384 240
WIRE 384 288 288 288
WIRE 480 288 480 240
WIRE 480 288 384 288
WIRE 288 304 288 288
FLAG -64 -96 0
FLAG -304 -96 0
FLAG -368 288 0
FLAG 288 304 0
FLAG -96 -320 z
FLAG -288 128 z1
SYMBOL EL_SPEAKER 80 -192 R0
SYMATTR Value SP100
SYMATTR InstName U1
SYMBOL cap 368 176 R0
SYMATTR InstName C2
SYMATTR Value 250µ
SYMBOL res -240 144 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 6
SYMBOL ind 272 144 R0
SYMATTR InstName L4
SYMATTR Value 28m
SYMBOL res 464 144 R0
SYMATTR InstName R6
SYMATTR Value 57
SYMBOL ind 80 144 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L7
SYMATTR Value 50µ
SYMBOL res 80 48 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R7
SYMATTR Value 50
SYMBOL ind -64 144 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L5
SYMATTR Value 300µ
SYMBOL res -64 48 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R8
SYMATTR Value 2
SYMBOL current -304 -176 M180
WINDOW 0 24 80 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName I1
SYMATTR Value AC 1
SYMBOL current -368 256 M180
WINDOW 0 24 80 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName I2
SYMATTR Value AC 1
TEXT -328 -392 Left 2 !.ac dec 100 10 20k
TEXT -32 -176 Left 2 ;Z
TEXT -328 -504 Left 2 ;Using a Z(freq) table\n \n(All in blue text is just comment)
TEXT 40 -312 Left 2 ;Z(freq)
TEXT -56 -392 Left 2 !.inc SP100.txt
TEXT 0 192 Left 2 ;Skin Effekt
TEXT -328 -552 Left 4 ;Equivalent Speaker Circuit
LINE Normal 8 -208 -56 -208
LINE Normal -8 -224 8 -208
LINE Normal -8 -224 -8 -224
LINE Normal 8 -208 -8 -224
LINE Normal -8 -192 8 -208
LINE Normal -8 -192 -8 -192
RECTANGLE Normal 544 336 -240 -48 2
RECTANGLE Normal 224 208 -96 -16 2