ProTechTrader
ProTechTrader is a small family business dedicated to our mission on electronics: to teach and provide.
ProTechTrader
ProTechTrader is a small family business dedicated to our mission on electronics: to teach and provide.
Any questions? Ask CelesteSM will help you find out quickly.
ProTechTrader is a small family business dedicated to our mission on electronics: to teach and provide.
ProTechTrader is a small family business dedicated to our mission on electronics: to teach and provide.
The ProTechTrader Piezoelectric Earphone is a high-impedance ceramic earpiece engineered for optimal performance in DIY electronics projects, including crystal and transistor radios.
Featuring a classic vintage style, this earpiece offers a remarkable 20,000 ohm impedance, resistance exceeding 20 megohms, and a capacitance of 15,000 pF. Its rated sensitivity is 57dB at 1kHz, with a frequency response spanning 200 to 8,000Hz, ensuring clear and accurate audio reproduction for sensitive applications.
The molded earpiece is equipped with a 42-inch twisted pair wire and pre-tinned bare wire leads, facilitating easy integration into custom builds. Manufactured by ProTechTrader, this earpiece is ideal for hobbyists, educators, and electronics enthusiasts seeking reliable and precise audio components for their projects.
Features High 20,000 ohm impedance for compatibility with crystal and transistor radios. Classic vintage style with durable molded construction.
42-inch twisted pair wire with pre-tinned bare wire leads Rated sensitivity: 57dB at 1kHz; frequency range: 2008,000Hz Ideal for DIY electronics kits and educational projects.