The Electro-Harmonix Gold 12AU7A / ECC82 is a brand new pre-amp tube with gold pins that is made in Russia. It is a premium quality 12AU7 built to match the performance of the military-industrial original GE 6189. Low microphonics and excellent linearity offer a musical and harmonic soundstage, making the 12AU7EH tube equal to the original and a cut above the competition.
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