his simple schematic should be all you need to get started. If you want some more background information about tube amps but you don’t know where to start, check out our post on basic tube amp ...

One chapter toward the back discusses a transformerless headphone amplifier built around a White cathode ... Ian Thompson-Bell, for use in his tube console. Schematic 1, (Click here to enlarge.) Ian ...

Design analysis of the K2-W Vacuum Tube Op Amp’s design and ... this like you would a comic book. LTSPICE schematic of the K2-W Analog Computer Op Amp’s first stage. On the left half of ...

The goal was to keep the circuit simple and the number of amplification stages to a minimum while having enough gain to be driven by most preamplifiers, solid-state or vacuum tube. This suggested ...