1 x 12AU7WA/ECC82/6189 Brimar Tube. Tested on Enhanced Triplet E3444 Laboratory Tester. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable. Bogey(100% or new) = 2200/2200 micromhos @ 10.0/10.0 mA +/- 10%.
Item Tag: 12AU7WA
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Matched Pair Amperex 6189 / 12AU7WA Orange Print Cryogenic TV-7 test Strong
The 6189 / 12AU7WA is a rugged, industrial-grade version of the 12AU7, known for dependable construction, long service life, low noise and stable performance. These tubes were professionally treated by Cryogenics International.