shuguang 6Z4
6CG7EH The 6CG7EH is a low noise, full voltage replica of the original 9-pin RCA that is exact in every detail. The silky sound of the original is maintained inside of an ultra rugged design that guarantees long life. Linear response and a low noise floor are maintained within this wonderful sounding tube.
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.
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 …
ECC81JJ The JJ ECC81 / 12AT7 tube is a low noise and low microphonic preamp tube. A good choice for phase inverters and reverb circuits calling for 12AT7 tubes. The ECC81 tube type is equivalent to the North American 12AT7 tube and can be used in any 12AT7 or ECC81 circuit.
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