RCA5725
NOS per pair
RCA5725
NOS per pair
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.
6550EH The perfect match for the Tung-Sol original, offering excellent linearity, power handling capacity and heat dissipation. Four-pillar construction and mica spacers help maintain a rugged mechanical reliability. Classic tone is sustained at a prolonged, high output. A new leaded glass compound is utilized to maintain vacuum integrity, balanced performance and ensure long life.
6SN7EHG The Gold 6SN7EH features gold plated pins for superior contact. From EH: “High quality 6SN7 tubes have virtually disappeared… until now. The 6SN7EH tube is a beautiful sounding tube, on par with RCA’s red base 5692 tube. It maintains a linear response while being able to accept a full voltage. Vintage tube amp users …
6L6EH Beter than the RCA. Modeled after the vintage RCA 6L6GC “blackplate,” the 6L6GCEH features larger plate dimensions and improved grid structure for increased power handling capabilities. Also features mica spacers with metal springs to eliminate tube ratle and miscrophonics. The 6L6GCEH offers tone and performance superior to any other 6L6 or KT66 type.
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