Subtitles section Play video Print subtitles Hi Gang! This is a piezoelectric speaker I got from a microwave oven and modified for use with my crystal radio. People often ask me where to get crystal earpieces for listening to their crystal radios. Well, this is probably the cheapest source. Microwave ovens are a treasure trove of parts to detect the cover often in this section right here beside performed all sorts of things right over here we're interested in right now that blacks the right there which contains appears all occurred crystal speaker uh... and and and there you can see the speaker and what's the crystal right there disk headed back to this whole aboard orchestra governable peter halpern on the two thousand revolt scale so basically two volts look up one and the alligator clips to uh... one of the meter pro-ltte see other order to cure the meter probes and then i'll connect them to the crystal doesn't matter which way you connect things in this case and adult at the crystal right til seven hundred sixty eight million votes to run in ninety one middle so it's going to twenty bolt scale thus i move very this meters and on the d_c_ volts uh... scale it's not very good at picking up the spikes so time to see part of what's going on but you can get me to help something's going on so it works okay so just write and works graceful share what i did i think one alligator clips neck to the output of the diode together and to enter into the crystal kicked another alligator clip to ground computer and to the other hand the crystal what's catalyst in here headshot operan them speak your mind the microphones the camera you may not here they're looking for that but but i need to do is put it you back here to help direct the sound the end is also expose someone it may be a solid uh... piece of plastic there michael too case again old can right here and i'm just gonna cut off last night and all records manager stop right xd and they're not quite correct greater over that whole centered over that wall the case clear cut a piece of her plastic kinda get hobby shops use whatever you have a states want something prior so they can capture of the uh... salad energy in the back here to get inside subscribe to that their refers to better might here have some rubbing alcohol here thomas sanitize the end of this is that there you go there is the end result i was turned into something gearing up loud and clear up perimeter microphones if we can hear too first-grade well thanks for watching chica bonita channel rims our work from our videos like this that was one of step-by-step instructions for making a crystal radio you start your mother training tips and tricks rehearsal radios including more of your pieces and for friday one power calculator using solar panel made out of transistors thanks user mariel magpie was very pronounced that correctly presidio response one of my videos pointing out that these crystals are available of microwave ovens antarctic subscriber she liked his videos or give a thumbs-up lead a question or comment below see you soon
B1 alligator microwave speaker radio scale meter Make Crystal Earphone/Earpiece for Crystal Radio - Homemade : Learn 171 6 Why Why posted on 2013/04/06 More Share Save Report Video vocabulary