6X4 TUNGSOL
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.
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.
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 …
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