The Dynaco ST-70 is one of the most popular tube amplifiers ever. First released in 1959, it's still sought after by hi-fi enthusiasts today.

The Feliks Audio Echo Vibe is a $1,095 OTL tube headphone amp from Poland that runs hot, sounds lush, and proves you don’t need 2 watts to melt your face off.

Zappa put two distinct setups to the test to see if listeners could truly tell the difference between tube amps and their digital counterparts ...

We present the experimental demonstration of a traveling-wave tube (TWT) power amplifier operating in the W-band (75-110 GHz) frequency range. The device is based on a serpentine waveguide (SWG) ...

A traveling wave tube amplifier operating above 300 GHz based on folded waveguide (FWG) slow-wave structure is presented in this paper. The design and test results of key components are presented, ...

The man now charged with shooting two Minnesota state lawmakers and their spouses in their own homes had targeted dozens of democratic officials, according to Vance Boelter's “hit list." ...

This project simulates a fully differential amplifier using the TSMC 180nm CMOS process in LTspice. It includes schematic, simulation setup, and waveform results for transient and AC analysis. The ...