12AX7
High μ Double three pole small 9 GT enlarges the voltage and driving power when working in magnify circuit.
12AX7A, 7025 is the same with 12AX7 and ECC83 in function, electric parameter, and it is the super of low yawp, and is adapt to use in plus amplifier as first grade.
Heater voltage
UH 6.3(paralleling) 12.6(serial) V
IH 0.30 0.15 A
A1actinomycete magnify limit value(each side)
Plate voltage: 330V
Grid negative voltage: -50V
Grid positive voltage: 0V
Plate dissipation power 1.2V
Heatervoltage between cathodes(pk) ± 180V
Capacitance between poles
No1 No2
Input capacitance 1.6 1.6 PF
Output capacitance 0.46 0.34 PF
Transroute capacitance 1.7 1.7 PF
Static state parameter
Ua: 100 250 V
Ug: -1 -2 V
Ia: 0.5 1.2 mA
Gm: 1.25 1.6 mA/V
Rk: 270 200 Ω
μ : 100 100
Ri: 80 62.5 kΩ
Sunflower Representations is a company active in the professional and consumer audio, dealing with audio components, Sunflower Representations is a company active in the professional and consumer audio, dealing with amplifier components, guitar parts, bass parts.
Amplifier parts: Electron/ Vacuum tubes/ valves(from Shuguang or Psvane), tube socket( 4, 5, 8, 9, 10, 12, 13 pins) as well as tube sockets for PCB Mounting, Potentiometers for audio, Potentiometers for tone control, quality Transformers/ output transformers, resistors, capacitors, wires for wiring vale amplifiers, tube base, tube shield, retainers.
