Crystal Radio Receiver Assembled with 435uh Ferrite Coil, Amplifier and Earphone For Sale
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Crystal Radio Receiver Assembled with 435uh Ferrite Coil, Amplifier and Earphone:
$16.40
Crystal Radio
LOWEST COST WITH HIGH PERFORMANCECOLOR Matched Knob and PC BoardHigh Performance Germanium DiodePrecision Wound Coil with Ferrite CoreIncludes a Magnetic Earphone and Amplifier !!Here are the Amplifier and Radio SPECS...
----AMPLIFIER SPECS----Newest Model with High Gain Darlington Transistor-May Vary slightly from Photo in Picture GalleryUses one LR44 or SR44 Low Cost BatteryBattery IS INCLUDEDCan Increase the Volume Level by as much as 60%-100%DO NOT ALLOW THIS AMPLIFIER TO TOUCH ANY METAL SURFACE-BATTERY MAY SHORT OUT OR PERMANENTLY DAMAGE THE ELECTRONICSYou can Use a Standard 8Ω (8 ohm) Mono 3.5mm plug Earphone with your Radio using this AmplifierIncludes a Quality Magnetic \"transistor radio\" Earphone and with 3.5mm mono mini plug.Doesn\'t consume any power when the Earphone is UNPLUGGED(You must Remove the Earphone from the Output of The Amplifier to Conserve the Battery Power)AMPLIFIER DOES NOT WORK WITH PIEZO OR STEREO EARPHONESSimply Plug in the Earphone into the Output connector of the Amplifier and Plug the Input side of the Amplifier Into your Crystal Radio and it is ready to go.DOES NOT INCLUDE ANY AMPLIFIER SCHEMATICS OR INSTRUCTIONS
----CRYSTAL RADIO SPECS----Requires a Piezo Earphone if not using the Included AmplifierCrystal Radio\'s will only work with aPiezoelectric (Piezo)Earphones. Cell Phone Earphones, MP3 Earphones, Transistor Radio Earphones WILL NOT work becauseCrystal radios only work with high-resistance earphones.THIS RADIO COMES FULLY ASSEMBLEDMeasures 54mm x 96mm and is great for Beginners, Survivalists or Advanced Enthusiasts
Pushbutton Switch enabled Inductor expands the frequency AM Radio Band
Precision Wound Wire Coil
NEWEST PCB Design allows you to connect your own earphone to the Metal Screw Posts or use the 3.5mm phone jack mounted on the PC Board.Built in Audio Jack
High Sensitivity Germanium DiodeCompact and Fully self-containedAlligator Clips are included for Quick and Easy ConnectionThe Operation Manual and Schematic Link will be messaged to you via messaging after you pay for your itemThis Radio is Fully Assembled and TestedEverything needed to listen to a fully functional crystal radio EXCEPT for the Earphone, Antenna rand Ground WireA minimum of a 50ft long outdoor Antenna Wire is recommended.The best configuration for a crystal radio antenna is to run the wire horizontally between two electrically insulated supports as high off the ground as possible . Search or the net to purchase a \"Crystal Radio Antenna\" Kit or to make your own..The reason you need a good length antenna is because the more antenna you have, the more power your set will receive, and the louder it will be.Earphone, Antenna and Ground wire IS NOT Included
This Radio is a great way to get started in electronics and radio building.For beginners and experienced enthusiastsParts Used In the Crystal Radio Package are as follows:
- Circuit Board 54mmx96mm
- Variable Capacitor with Knob and Mounting Screws
- Enamel Wire Coil with Ferrite Core
- Precision Germanium Diode
- .001uf Capacitor
- 47K Resistor
- 470uh Inductor and PushbuttonSwitch
- Screw Leg Supports and Vinyl Feet
- 3.5mm Earphone jack is mounted on PC Board
If you live in a Fringe Location where AM Radio signals are poor or weak and you dont have room on your property for a 100 Foot long antenna, check out my store for my \"AM Medium Wave Crystal Radio Antenna RF Amplifier High Performance\".
This amplifier Pulls in AM Radio signals like a Magnet.Here is the link to my store:
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