Válvula 12ax7-s *** Nueva *** PSVANE *** GOLD Pins. Esta nueva sin estrenar. La vendo ya que se equivocaron al enviarme el modelo. Si tu amplificado HIFI, usa una 12au7 ya te adelanto que no es valida. Caracteristicas. PSVANE 12AX7-S ECC83 12AX7 Vacuum Tube For Hifi Audio Amp DIY Heater Uf-----------------6.3(?) 12.6(?) V If-------------------0.30 0.15 A Direct Interelectrode Capacitances No.1 No.2 input----------------1.6 1.6 PF output--------------0.46 0.34 PF grid to plate-------1.7 1.7 PF Static parameter Ua--------------100 250 V Ug--------------1 2 V Ia---------------0.5 1.2 mA Gm-------------1.25 1.6 mA/V u----------------100 100 ri----------------80 62.5 K? class A1.maximum.single triode. Ua----------------330 V -Ug--------------—50 V +Ug---------------- 0 V Pa------------------1.2 W Uh-k(pk)--------±180 V Envío perfectamente empaquetada para evitar su ruptura a Península y Baleares. Si tienes algun tipo de pregunta, no dudes en preguntar

These are two untested 12A27 vacuum tubes in a well protected PSVANE foam padded box.

PSVANE Premium Grade 12AX7 (4) Sound good. Unknown hours. My preamp uses 4 of these. They sounded good in my Doshi Alaap preamp, but I dont know the hours. Sold as is with no returns.