6189 General Electric GE / USA NOS double triode
In Audio-Amplifiers the GE 6189 has an outstanding warm tone and well balanced pleasing response.
The 6189W Philips or Sylvania appears a bit brighter and has great details and definition.
The 6189 is a premium grade 12AU7 that is ruggedized for reliable operation in military/industrial mobile, shipboard, and aviation communications equipment. This tube is characterized by low microphonics, excellent linearity, and long life. It is a top choice for any audio application requiring high quality 12AU7
(aka 12AU7WA, E82CC, 5814, replaces or upgrades any ECC82, 12AU7)
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