Klaus, WB9YBM writes "Could someone please help with a Heathkit question? I'm looking for a manual for the microphone equalizer (called the "Microlizer") made by Heathkit several years ago. When trying to order the manual from Heathkit, they said they need the units' model number, which I don't have! any and all help will be appreciatted. Please contact me at WB9YBM@JUNO.COM"