The 12AU7 circuit provides the greatest efficiency for these tubes. This triode style of ECC802S tubes was first made in 1906 for use in early radio capacitors. These capacitors were designed to work as a pair when installed into an amplifier.
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STRONG TUBE
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HF Double triode 6N5P. Approximate analogue ECC802S - ECC82, 12AU7WA.3 X MIKA 1965. (each triode). Anode current of the second triode in diode mode >2.5mA. Reverse grid current of the first triode <1 μA.
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Sound texture can be felt through infinite levels of details, laying on top of each other, both in depth and in width. So your quest for superb sound clarity can end right here. U 0210 003C (U = Ulm, 0 = 1960 ).
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Tube with no logo on glass . PERFECT FOR AUDIO. TESTED ON AMPLITREX WITH ACCURATE VALUES.
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Platinum matched pair (2 tubes) of rare RCA 6189 12AU7WA. This is premium, long life version of ECC82 / 12AU7, black plates, carbonized nickel (E82CC ECC802S).
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