wanted: used tubes (alameda)

condition: salvage

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I am conducting a research project on tube failure for my manufacturing class.
Any type is accepted.
Donate your used tubes to science, cheers!

keywords: vacuum tube, valves, el34, ecc83, 6550, ecc81, ecc82, 6BQ5, 6L6, KT88

post id: 7904237284

posted: 2025-12-23 08:35

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wanted: used tubes - wanted - by owner - sale - craigslist

I am conducting a research project on tube failure for my manufacturing class. Any type is accepted. Donate your used tubes to science, cheers! keywords: vacuum tube, valves, el34, ecc83, 6550,...