Description

Tubes set for Chinese amp (Little Dot amps)and for other home made amplifiers. 2 pcs x 6P6S (matched pair ) + 2 pcs x 6J1P -EV(matched pair) New OLD STOCK, NOS, Soviet military tubes Specifications and electrical parameters of the tube 6P6S 6П6С: Filament voltage 6.3 ± 0.6 V Heating current 450 ± 40 mA Anode voltage nominal (constant) 250 V Anode voltage limit (constant) 350 V Anode current 45 ± 12 mA Grid voltage first (constant) -12.5 V Reverse grid current of the first no more than 2 μA Grid voltage of the second nominal (constant) 250 V The grid voltage of the second limit (constant) 310 V The second grid current is not more than 7.5 mA The power dissipated by the anode, the maximum 13.2 W The power dissipated by the second grid, the maximum 2.2 W Limit (constant) voltage between cathode and heater 100 V Steepness of the characteristic 4,1 ± 1,1 mA / V Internal resistance 52 kΩ Output power not less than 3.6 W Nonlinear distortion 8% Input capacitance 9.5 ± 1.6 pF Output capacitance 6.5 ± 2.7 pF Capacity is not more than 0.9 pF Glass design with an octal base 6P6S - output beam tetrode, direct substitute for 6V6GT Specifications for 6J1P-EV: Filament voltage ...... 6.3 ± 0.6 V The filament current ...... 170 ± 15 mA The anode voltage nominal (constant) ...... 120 Volts The anode voltage limit (constant) ...... Two hundred Plate current. ..... 7.35 ± 2.35 mA Cathode current limit ...... 20 mA The reverse current of the grid first ...... not more than 0.1 µa The second grid voltage nominal (constant) ...... 120 Volts The grid voltage is the second limit (constant)...... 150 Volts The power dissipated by the anode limit ...... 1.8 W Power dissipated by the second grid, the limit ...... 0.55 W The voltage between the cathode and the heater is limiting (constant) ...... 120 Volts The steepness of the characteristic ...... 5.15 ± 1.25 mA / V Anode cut-off voltage (at anode current not more than 5 µa)...... not more than -15 V The cut-off voltage of the electronic current of the grid first ...... -1.5 V Internal resistance. ..... 0.1-1.1 MW Equivalent resistance of in-tube noise ...... not more than 3.7 kω The input impedance at the frequency of 60 MHz ...... 12-25 ohms Resistance in the cathode circuit to automatically bias ...... 200 Ohms The resistance in the grid circuit of the first limit ...... 1 Mω Input capacity ...... 3.5-4.7 pF Output capacity ...... 1.9-2.8 pF Capacity through passage ...... not more than 0.035 pF Capacity cathode-heater ...... not more than 4.6 pF The LOT off : 2 pcs x 6P6S (matched pair ) + 2 pcs x 6J1P-EV (matched pair)