Audio Note ignores trends again. The Oto SE 35 brings new transformers and PSU to the cult EL84 amp. Low power, big attitude. Hear it at AXPONA 2026.

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 ...

Baluns enable impedance matching, minimize signal distortion, and suppress common-mode noise in RF and high-frequency designs ...