Vacuum-Tube Valves Circuits

  

 

 

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Schroeder Amplification Announces the SA9+, SA9-REC, and Formula 20

Premier Guitar Schroeder Amplification Announces the SA9+, SA9-REC, and Formula 20 Premier Guitar Northfield, IL (July 25, 2016) -- Schroeder Amplification announced the availability of its SA9+, SA9-REC, and Formula...

Jul 25, 2016

High Quantum Efficiency Photocathodes for Scientific Applications

AZoOptics.com (press release) High Quantum Efficiency Photocathodes for Scientific Applications AZoOptics.com (press release) For this purpose, PHOTONIS have developed a range of photon counters, including Hybrid Photo...

Jul 26, 2016

The Miracle of a $150 (or Less) Tube Amplifier

Wall Street Journal The Miracle of a $150 (or Less) Tube Amplifier Wall Street Journal IN THE AGE OF wireless speakers and Bluetooth streaming, vacuum - tube amplifiers may seem antiquated, but you don't have...

Oct 21, 2015

Terahertz amplifiers could open new frontiers in RF communications

Defense Systems Terahertz amplifiers could open new frontiers in RF communications Defense Systems The Traveling Wave Tube Amplifier , or TWTA, is a tiny device that uses a vacuum chamber to accommodate the...

Jul 14, 2016

Trash or Treasure: Epiphone EA-28RVT Pathfinder

Premier Guitar Trash or Treasure: Epiphone EA-28RVT Pathfinder Premier Guitar If your amp has been sitting for all these years, it's a good idea to have an amp repair shop go through it to make sure it's...

Jul 18, 2016

Books You Should Read: Instruments Of Amplification

Books You Should Read: Instruments Of Amplification Hackaday This is a fantastic book for anyone who wants to get their hands dirty actually building vacuum tubes or who wants to try their hand at a semiconductor...

Jul 21, 2016

Dave's Corner: The “Golden Age” Of Amp Making Is…Now!

Reverb News (press release) (blog) Dave's Corner: The “Golden Age” Of Amp Making Is…Now! Reverb News (press release) (blog) There's a good chance you can find almost any iconic tube amp of the '50s,...

Jul 5, 2016

Raspberry Pi tube amp lets you use $1,300 headphones with your ...

The Verge Raspberry Pi tube amp lets you use $1,300 headphones with your ... The Verge The Raspberry Pi is one of the most versatile little computers ever created, and it can do all kinds of things — like power robots,...

May 8, 2016

The Quest for the Ultimate Vacuum Tube

IEEE Spectrum The Quest for the Ultimate Vacuum Tube IEEE Spectrum That's because the traveling-wave tube and other vacuum devices continue to serve one purpose extremely well: as powerful sources of microwave,...

Nov 24, 2015

Northrop Grumman making two kinds of terahertz freqency amplifiers

Next Big Future Northrop Grumman making two kinds of terahertz freqency amplifiers Next Big Future Micromachined Traveling Wave Tube Amplifier (TWTA), a miniaturized device that relies on a tiny vacuum chamber in...

Jul 22, 2016