Here’s a way of transmitting audio that makes it virtually impossible for someone else to listen in. Instead of sending radio waves bouncing all over creation, this uses the focused light of a laser ...

Audio transformers improve sound quality by removing interference from audio signals. This interference, or ground noise, is caused by voltages from other devices and produces a humming or buzzing ...

Pilot model 302 audio transformer. Marked: "Pilot No. 302 / Audio Freq. Transformer / Redi-Blox / Manufactured by / Pilot Electric Mfg. Co., Inc. / Brooklyn, New York, U.S.A." An audio output ...

Board mount transformers are transformers designed to be embedded in or mounted on computer boards. The purpose of a transformer, in general, is to transfer power from one device or circuit to another ...