Piezo Electric Crystal Earphone Sensitive High Impedance

Piezo Electric Crystal Earphone Sensitive High Impedance Ceramic Ear Piece 3.5mm for Transistor Radio/Crystal Radios DIY Electronics Projects 1/8 inch Audio Jack Connector Wire Piezoelectric Element
- NEWER Upgraded Model Available on Amazon (2023): (See B0CC6WRFFB) For a Brass Diaphragm Piezo and All Soldered Wire Connections making it more Sensitive and More Reliable
- Perfect to make electronics projects such as Crystal or Transistor Radios often used in schools and STEM electronic experiments requiring high impedance ear piece
- High 20,000 ohm impedance with resistance over 20 million ohms and a capacitance of 15,000 pf Rated Sensitivity of 57db at 1KHz in the frequency range from 200 to 8,000Hz
- Highly sensitive molded earpiece with 42-in twisted wire with 3.5mm (1/8in) headphone audio male wire connector
- Classic Piezo Electric Crystal Earphone for DIY Electronic Projects and Kits
Ceramic earphone/Crystal earpiece for Transistor and Crystal Radios, Sensitive Electronics Projects, Lab research and other DIY experiments requiring a very sensitive high impedance earpiece.

Piezoelectric earphones also known as crystal earphones, ceramic earphone, and piezo earpieces are the most sensitive earphones. They are in fact many times more sensitive than even the most sensitive magnetic earphones, dynamic earphones, or electrostatic earphones that you may use on your iPod or iPhone. Sensitive earphones have a very high impedance, which is measured in ohms and should not be used directly with a modern amplified radio. Crystal Earphones are so sensitive and require so little power to operate that you can hear a small 'click' just by touching the 3.5mm connector.

Crystal radios will not work with modern earphones or 'earbuds' as they are designed to operate with amplified audio sources found in today's electronic devices. Crystal Earphones are used in the construction of the crystal radio and in some science experiments such as listening to electric fish.

Specifications:

â–ª Impedance: 20K ohm
â–ª Resistance: 20M ohm
â–ª Capacitance: 15,000 pf
â–ª Sensitivity: 57db at 1KHz
â–ª Frequency Range: 200 - 8,000Hz
â–ª Operation Temperature: -20 to 60 degree Celsius
â–ª Wire: ~100cm / ~40-inch Molded twisted Wire
â–ª Connector: 3.5mm (1/8-in) headphone jack connector

***Please Note: These are the manufacturer specifications and may vary slightly in each production unit

Country	USA
Brand	ProTechTrader
Manufacturer	ProTechTrader
Binding	Electronics
ItemPartNumber	Beige-1/8in Plug
Model	Piezo-earphone-3.5mm
Color	(Beige - 3.5mm Headphone Jack)
UnitCount	1
UPCs	789048343040
EANs	0789048343040
ReleaseDate	0000-00-00

Piezo Electric Crystal Earphone Sensitive High Impedance Ceramic Ear Piece 3.5mm for Transistor Radio/Crystal Radios DIY Electronics Projects 1/8 inch Audio Jack Connector Wire Piezoelectric Element

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