Fullmusic 2A3/n 2A3N Vacuum Tube Mesh Plate Replace 2A3 2A3B Tubes Gold Plated Pins HIFI Vintage Audio DIY (one pairs)

NOTES: Price = 1 pair (2 pieces)

Features: It is a dome-shaped or eggplant-shaped glass shell, a white ceramic base with four gold-plated needles, a direct-heating oxide cathode, a mesh plate, and a graphite plate transistor.
Uses: Used for audio amplifier, output power reaches 3.5W.

Standard working conditions and parameters:
Heating voltage * ………………………………………………………… 2.5V
Heating current ………………………………………………………… 2.5A
Plate voltage ………………………………………………………… 250V
Gate voltage ** ………………………………………………………… -45V
Plate resistance ………………………………………………………… 800ohms
Plate current ……………………………………………………………… 60mA
Plate current ………………………………………………………… 62.5mA
Magnification ... ………………………………………………………… 4.2
Transconductance ………………………………………………………… 5.25mA / V
Gate current ………………………………………………………… 0.05μA
Load resistance ………………………………………………………… 2.5kohms

* AC filament power supply or DC filament power supply
** The AC filament power grid or plate circuit is connected to the center of the filament transformer secondary, the DC filament power supply, and the power supply circuit of the grid anode is connected to the negative end of the filament.

Extreme working use value:
Maximum plate voltage …………………………………………………… 300V
Maximum plate power consumption ……………………………… 15W