and she’s produced a stereo tube amp with a few modern features. Electrically it’s a relatively conventional single-ended design using a double triode and a power pentode for each channel.

The major drawback to designing around vacuum tubes ... in Germany for high-frequency applications but can be made to work for audio amplification in a pinch. The power amplifier section also ...

Last year, the company opened a manufacturing operation in Davis to make, test and cure its millimeter-wave power amplifiers.

Discover how solid-state tube replacements offer a reliable, eco-friendly alternative to traditional vacuum tubes without ...

The C2800 Vacuum Tube Preamplifier features methodically ... the C55 and C2800 offer a lot of flexibility for connecting to power amplifiers. Their design allows for bi-amping configurations ...

A radio transmitter generally consists of a group of vacuum-tube amplifiers ... its power at each stage until we arrive at the antenna with a power of 100 watts, or 100 kw, or whatever is required.