MAKE/FILMS, the Lancaster city filming company that made the feature-length film "Brave the Dark" about Garden Spot High ...

Western Electric type 203D triode American History Museum Object Details maker Western Electric Description (Brief) A 4-pin plastic base with, corrugated plates, tipped T-shaped envelope. In original ...

I tested a pair of Écoute Headphones to figure out what's going on with them and have a sample for you. 0:00 intro 5:06 Audio ...

Donor’s card reads: “Power triode made by the Sylvania Corporation for use as a modulator, amplifier, or oscillator in radio transmitters. Filament is pure tungsten in three sections for operation ...

The SELECT 12AU7 joins the Ray Tubes SELECT Collection lineup. Vacuum tube company expands line-up with new-production 12AU7 tubes in both ...

Check out the Marantz M1 streaming amplifier, Quad's retro Integrated Amp, Ruark's stereo console and Schiit's sold out headphone amp.

In this letter, an improved planar triode with ZnO nanopin field emitters has been proposed. Comparison with a conventional planar triode, a layer of ZnO nanostructures is deposited between the ...

The design and developmentof a 100-watt, grounded-grid triode for operation at full ratings up to 1200 Mc is described. Unusual mechanical design features have been utilized to achieve a tube which ...