12AX7 HIGH-MU TWIN AUDIO TRIODE The Svetlana™ 12AX7 is a miniature glass-envelope smallsignal dual triode intended for use as a low-noise preamplifier for audio applications. It is a direct plug-in replacement for any 12AX7, 7025 or ECC83 in music or audio amplifiers. All ratings of the Svetlana 12AX7 meet or exceed those of the original version; top-quality cathode material

"Ei-RC" - Electronic tubes factory ECC83/12AX7 ECC83 is A.F. Double Triode Data Sheet Page 1 of 4 Quick reference data • Anode current Ia=1,2mA • Transcoductance S=1,6mA/V • Amplification µ=100 Heating Heating is indirect by AC od DC, with serial or parallel supply. Heater voltage Heater current pins Vf 6,3 12,6 (V) If 300 150 (mA) 9-(4+5) 4-5 Telephone: FAX: Pos