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Vacuum-Tube Valves Circuits

  

Circuits




Each circuit of our test unit features two 12AT7 tubes supplementing the gain stages and two 12AU7 tubes acting as cathode followersfrom which this preamp gets its CF designate. According to AVA, t...

I am speaking more of audio vacuum tube amps than I am of microwave amps like magnetrons, klystrons, TWTs and the like. ... This is a serious design book with details on audio circuit design, equat...

Power-supply voltage is provided by full wave diode rectification of 230 VAC by a magnetic transformer. This design provides a quality audio amplifier. Valve amplifier circuit diagram. Valve (Vacuu...

It is easy to get sound out of vacuum tube audio circuitry. Tube circuits lend ..... A small amp case with a speaker is dirt cheap from a yard sale, and my local rummage shop has valves for a few b...

Andreas is one of the brightest new lights in the firmament of vacuum tube circuit design, and I was particularly impressed with his New Valve Order Audio SPA-II (Stereo Phono Amplifier-II) that co...

This project uses a very interesting mode of operation of the vacuum tube, "starved cathode". Instead of running the tubes at a few hundred volts on ... of "natural tube distortion" and some overdr...


6V6 6J5 Class A Vacuum Tube (Valve) Power Amplifier Circuit


Audio Amplifier & Radio Valve (Vacuum Tube) Tester - unboxing


Vacuum Tube Tutorial - Guitar Tube Amplifiers - Valves


Single Vacuum Tube Radio with Circuit Diagam (Operates on a 12v to 25v HT/LT ...