EECTECH Vacuum Tube TJ Fullmusic Tube 2A3/C Amplifies Carbon Plated Factory For Speaker DCD CD DVD Player (one pairs)

NOTES: Price = 1 pair (2 pieces)

Features: It is a dome-shaped or egg-shaped glass bulb, white ceramic base with four gold-plated tube needles, direct thermal oxide cathode, mesh plate electrode, graphite plate electrode triode.
Uses: used in audio amplifiers with output power up to 3.5W.

Standard working status 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 supply grid or plate circuit is connected to the secondary center of the filament transformer, the DC filament power supply, the grid anode power supply circuit is connected to the filament negative terminal.

Limit working value:
Maximum plate voltage ………………………………………………………… 300V
Maximum plate power consumption .................................................................. 15W