真しん空くう管かんアンプ

noun

tube amplifier; valve amplifier

An audio amplifier that uses vacuum tubes (valves) instead of transistors, often prized for its warm sound character.

• 彼かれは真しん空くう管かんアンプでレコードを聴きくのが好すきだ。

  He likes listening to records through a tube amplifier.