h004973.zip   WINDOWS CROSSOVER DESIGNER for passive crossover networks
n003592.zip   SD-LMP 2-way loudspeaker system modelling program
n003593.zip   LSIM simulates amplitude & phase response of a speaker
n003861.zip   INTERCARD 1 software accompanying Electronics Today project
n003889.zip   8-BIT STEREO SOUND FROM YOUR PARALLEL PORT