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Pentone vs Pentode - What's the difference?

pentone | pentode |

As nouns the difference between pentone and pentode

is that pentone is valylene while pentode is a thermionic valve similar to a tetrode with the addition of a suppressor grid; was used in high quality audio and radio products.

pentone

English

Noun

  • (chemistry) valylene
    • (Webster 1913)

    pentode

    English

    Noun

    (en noun)
  • a thermionic valve similar to a tetrode with the addition of a suppressor grid; was used in high quality audio and radio products