shuguang 6Z4
12AU7EH Finally, 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.
300B EH Gold Grid (one pair) Improving upon standard 300B tube grids, which are typically made of pure nickel, the gold plating reduces grid current and adds effective improvements to the overall grid function. Given that all triode power amps draw some amount of grid current whether they’re playing softly or at full blast, this …
6SN7EH High quality 6SN7s have virtually disappeared. until now. The 6SN7EH is a beautiful sounding tube, on par with RCA’s red base 5692. It maintains a linear response while being able to accept a full voltage. Vintage amp users and audiophiles will be thrilled to find that a superior quality, ultra low noise replacement finally …
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