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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……upright

Cooling……forced air

Diameter……105.56mm

Weight……3.4kg

Temperature at anode shell and seals……250℃

Maximum ratings:

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