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DISCOVERY is a HIGH PERFORMANCE crystal radio receiver kit, covering the AM broadcast band. Superb SELECTIVITY is attained through the use of a LOOSE-COUPLED, DOUBLE-TUNED circuit, with two Litz-wire wound, ferrite-loaded tuning inductors. Optimum SENSITIVITY is achieved through the proper application of impedance matching throughout the circuit, including separate Antenna Loading and Tuning controls, and a switched, tapped audio impedance transformer. Kit includes a piezo earphone, but the receiver is usable with any audio transducer 8 ohms or higher.<br>The kit contains all parts necessary to construct the DISCOVERY receiver. The board is designed to mount in a Hobby Lobby wooden box,<br>SKU# 662536, not included in the kit. Construction requires soldering, but is not difficult, and can be completed in a couple evenings of effort.

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DISCOVERY High Performance Crystal Radio Kit SENSITIVE AND SELECTIVE

$57.20 $34.32