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 ...

It’s been a while since the last installment in our Know Audio series, in which we investigated distortion as it applies to ...

Omega Transformer Models N and A do an amazing job of warming up frosty mixes at a great price. MusicRadar's got your back Our team of expert musicians and producers spends hours testing products to ...

The intercom circuit described here uses two transistors, an audio transformer, and a few passive components in addition to condenser microphone and low-wattage speaker (refer Fig. 1). The complete ...

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 ...