HANDS ON BUILD VACUUM TUBE CIRCUIT One Tube Grid Leak Detector Radio 11:00AM Come THIS Saturday, June 29th, at 11:00AM for a presentation on the workings of a one tube radio using a grid leak detector circuit. Grid Leak Detector Circuit! This workshop will be presented by retired Aerospace/Electrical Engineer, Tom Taylor and retired Avionics Engineer and president of the Borden Radio Company, Lance Borden. Tom will go over all the information you will need to build a one tube grid leak detector radio in a hands on build! For those who are interested in building and owning such a radio, there will be a limited quantity of 20 custom kits available at $40ea (one kit per person). We will build these in the store under the guidance of Tom and Lance. To keep things from getting too crowded, we will divide the build into TWO different build sessions. In total there are three time periods for this event. The first session begins at 11:00 AM Sharp. This session is the explanation intended to insure an understanding of the fundamentals involved in this workshop. We will break for lunch at 12:00 PM and return at 1:00 PM. The second session is the first build session which will begin at 1:00PM Sharp. We will begin the third session (second build session) with the next group of builders at 3PM Sharp. **This build will require soldering. You may bring your own pencil type soldering iron and holder or we can sell you a soldering iron for this event. Solder will be provided. A grid leak detector utilizes a battery powered, low voltage, one tube circuit for detection and amplification of local AM radio stations. the non-linear cathode inside of a vacuum tube to control grid conduction and the amplification factor of a the tube. The Tube circuits such as this have been used for many different applications. The grid leak device itself was invented around 1912. This workshop is also intended to establish a better foundation in electronics and will illustrate many different components, such as batteries, resistors, capacitors, inductors, piezo-electric reproducers, and vacuum tubes. This talk will then transition into the fundamentals leading up to a working grid leak detector radio. Our workshops are open to everyone, from the middle school students to the post-graduate hobbyists. There is no charge to attend. Your RSVP's are most appreciated especially for this workshop as we want to make sure we have space and kits for everyone. We hope to see you here!