#vacuumtubes

· 2mo ago

Energizing a Vacuum Tube Flip-Flop Module of the IBM 604 https://hackaday.com/2026/08/03/energizing-a-vacuum-tube-flip-flop-module-of-the-ibm-604/ #Retrocomputing #Ibm604 #Vacuumtubes

Hackaday

Energizing A Vacuum Tube Flip-Flop Module Of The IBM 604

Taking a break from ogling microscopic features in Intel’s semiconductor processors, [Ken Shirriff] is back to instead poking at decidedly macroscopic pluggable modules from the 1948 IBM 604 …

Ricardus @Ricardus@mastodon.sdf.org

· 5mo ago

Almost all of the audio wiring is done in this now. Finished it today. What's left is the AC wiring, which I really can't do until I get the front panel. Reason being one of the items mounted to the front panel attaches from the outside. #PMillettBuild #Audio #MicPreamp #VacuumTubes #TubePreBuild

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