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  1. Dr.VPot

    Electronic Stethoscope, Electret condenser mic distortion issues

    Hi, I'm new to this forum. I'm looking to resolve an issue in my project related to electronic stethoscope. I'm using AOM-5024L-HD-R electret condenser mic and tl071 opamp based preamp circuit as show in the link below https://dxarts.washington.edu/wiki/electret-preamp-circuit circuit works...
  2. budget minded

    negative terminal corrosion AND now amp's distorting and cutting out with new speakers

    i have a system that consists of a 12 volt 18 amp hour battery, a planet audio BB1200.4 class D 4 channel amp, a JBL GT5-15 sub in free air, and a battery tender charger. at first, i was using proel flash 8p mini PA speakers as mains, but tonight, i hooked up a brand new pair of JBL Northridge...

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