VENTED-BOX NETLIST *DISPLAY VM(1)/IM(VD1) FOR INPUT IMPEDANCE *DISPLAY VM(21) FOR DIAPHRAGM DISPLACEMENT *DISPLAY VM(22) FOR PORT DISPLACEMENT *DISPLAY 20*LOG10(VM(23)) FOR ON-AXIS PRESSURE *DISPLAY 20*LOG10(VM(24)) FOR DIAPHRAGM PRESSURE *DISPLAY 20*LOG10(VM(25)) FOR PORT PRESSURE * *ELECTRICAL CIRCUIT VEG 1 0 AC 1V REW 1 2 "RE" *LOSSY VOICE-COIL INDUCTANCE GZE 2 3 LAPLACE {V(2,3)}={1/("Le"*PWR(S,"ne"))} *USE THE FOLLOWING LINE WITH LTSPICE *GZE 2 3 2 3 LAPLACE=1/("Le"*S**"ne") HBLUW 3 4 V2W "BL" V1W 4 0 AC 0V * *MECHANICAL CIRCUIT HBLIW 5 0 V1W "BL" LMMDW 5 6 "MMD" RMSW 6 7 "RMS" CMSW 7 8 "CMS" ESWPW 8 9 17 10 "SDw" V2W 9 0 AC 0V * *ACOUSTICAL CIRCUIT V5W 16 0 AC 0V FKWUP 19 17 V4W "kw" LMA1W 17 19 "MA1w" RA1W 17 18 "RA1w" CA1W 17 18 "CA1w" RA2W 18 20 "RA2w" FSWUW 10 17 V2W "SDw" LMABW 10 11 "MABw" CABW 11 12 "CABw" V3W 0 12 AC 0V RALW 11 0 "RALw" LMAP 11 13 "MAP" FKPUW 15 13 V6W "kp" LMA1P 13 15 "MA1p" RA1P 13 14 "RA1p" CA1P 13 14 "CA1p" RA2P 14 16 "RA2p" V4W 15 16 AC 0V V6W 19 20 AC 0V V7W 20 0 AC 0V * *DIAPHRAGM DISPLACEMENT FUNCTION EXD 21 0 LAPLACE {I(V2W)}={1/S} *REPLACE EXD ABOVE WITH THE FOLLOWING 2 LINES FOR LTSPICE *HXD 0 21A V2W 1 *EXD 21 0 21A 0 LAPLACE=1/S * *PORT DISPLACEMENT FUNCTION EXP 22 0 LAPLACE {I(V5W)}={1/("Sp"*S)} *REPLACE EXP ABOVE WITH THE FOLLOWING 2 LINES FOR LTSPICE *HXP 0 22A V5W 1 *EXP 22 0 22A 0 LAPLACE=1/("Sp"*S) * *ON-AXIS PRESSURE SOURCE * EPSUM 23 0 LAPLACE {I(V3W)}={9390*S} *DIAPHRAGM PRESSURE SOURCE EPD 24 0 LAPLACE {I(V7W)}={9390*S} *REPLACE EPD ABOVE WITH THE FOLLOWING 2 LINES FOR LTSPICE *HPD 0 24A V7W 1 *EPD 24 0 24A 0 LAPLACE=9390*S * *VENT PRESSURE SOURCE EPV 25 0 LAPLACE {I(V5W)}={9390*S} *REPLACE EPD ABOVE WITH THE FOLLOWING 2 LINES FOR LTSPICE *HPD 0 25A VD3 1 *EPD 25 0 25A 0 LAPLACE=9390*S * .AC DEC 100 10 10K *OMIT THE FOLLOWING LINE FOR LTSPICE .PROBE .END