Vacuum tubes, capacitors, sockets specialized shop on production of JJ Electronic manufacturer.
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R.F. DOUBLE TRIODEECC81 is 12AT7 medium gain pre-amplifying double triode. Can be also used as replacement for 12AX7 in many applications. Very smooth and warm sound. Very low microphonic. Good for phase inverters or reverb drivers.
Base: NOVAL Uf = 6,3 or 12,6 V If = 300 or 150 mA Typical characteristic: Ua = 250 V Ia = 10 mA Ug = -2 V S = 5,5 mA/V μ = 60 Ri = 11 kΩ
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3.90€ Ex Tax: 3.25€