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Feature

This is assembled board and tested well.
Tubes6J1*10; Power supply: Dual AC 12V-13V
The board with a boost 120V; PCB size: 15CM * 10CM
Need E-type power transformer about 50W
It can push 16-120 headphone

Description

Parameters:
Filament voltage (Uf) = 6.3V;
Filament current (If) = 0.17A;
Anode voltage (Ua) = 120V;
Anode current (Ia) 4.5 ~ 12mA;
The second gate voltage (Ug2) = 120V;
The second gate current (Ig2) 3.2mA;
Transconductance (S) = 5.2 1.4mA / V.
(Electrode capacitance) input capacitance (Cin) = 4.3pF;
Output capacitance (Cout) = 2.35pF;
Transition capacitance (Cag) 0.02pF;
Between the filament and the cathode capacitance (Cfk) = 4.65pF
(Limit the use of data) maximum filament voltage (Ufmax) = 7V;
The minimum filament voltage (Ufmin) = 5.7V;
Maximum anode voltage (Uamax) = 200V;
The second largest gate voltage (Ug2maxp) = 150V;
The maximum voltage between the filament and the cathode (Ufkmax) 120V;
Maximum cathode current (Ikmax) = 20mA;
Maximum anode dissipation power (Pamax) = 1.8W;
The maximum power dissipation of the second gate (Pg2max) = 0.55W;
The maximum first gate resistance (Rgmax) = 1M.

Package:
6j1 tube * 20pcs
Assembled Preamp Board * 1 pc