The 6J1 tube is convenient, since it can run on only 6 V (or down to 3.7 as [mircemk] demonstrates). Here it is used as a mixer, with the oscillator signal injected via the screen grid.

HONG KONG, June 24, 2025 /PRNewswire/ -- Roborock announced today the launch of its new Roborock H60 and Roborock H60 Hub Series, a major expansion of the company's product portfolio into the ...

RCB beats Punjab Kings by 6 runs in a nail-biting IPL 2025 final at the iconic Narendra Modi Stadium, clinching their maiden title. As the final ball was bowled, the stadium erupted in celebration.

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