1x NEW RARE MELZ 6N9S (6SL7 6SU7 ~1579) Double Triode, METAL BASE , 1966 year
• Input capacitance of the first triode 3 pF. • Input capacity of the second triode 3.4 pF. • Output capacitance of the first triode 3.8 pF. • Output capacitance of the second triode 3.2 pF. • Anode current 2.3 ± 0.9 mA.