Be sure to add me to your favorites list Very Good Reproduction CONN StroboTuner Model ST-11 Owner's Manual Booklet from 1974. This is a very good condition scanned and printed reproduction of an owner's / user's manual for the Strobo Tuner model ST-11, as seen in the photos. It's 20 pages of great information on this unusual piece of equipment! This is a manual or document, this is NOT a piece of equipment or instrument. If you have any questions, I'm always happy to answer them. Thank you so much for looking! Check out my Store!