Electron Tube 3CX3000A1 and 3CX3000F1 are ceramic metal sealed, forced air cooled coaxial triodes with low amplification factors, used in audio amplifiers or modulators, featuring high gain and low distortion. The 3CX3000F1 adds flexible leads to the grid and filament lead-out rings for easy installation.

Specifications:

Filament Voltage……7.5V

Filament Current (at 7V)……51.5A

Transconductance……11mA/V

Amplification Factor……5

Installation method……Vertical, anode up or down

Cooling……forced air

Diameter……105.56mm

Weight……3.4kg

Temperature at anode shell and sealing joint……250℃

Extreme conditions

Anode Voltage……6kV dc

Anode Current……2.5A dc

Anode Dissipation……4kW

Grid Dissipation……50W

Typical conditions (audio amplifier or modulator, class AB1 grid-driven)

Anode Voltage……5500V dc

Anode Current……2.2A dc

Driving voltage……0

Output power (dual tubes)……8250w