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4CX15,000A  /  4CX15000A  /  8281            

Description:

The 4CX15,000A  /  4CX15000A  /  8281 Vacuum tube is used in audio and RF applications.

Electrical specifications for the  4CX15,000A  /  4CX15000A  /  8281  Vacuum tube:

Filament                                                     Thoriated tungsten mesh

Voltage                                                                       6.3 Volts

Current                                                                       160 Amps

Amplification factor                                                              4.5

Plate Dissipation                                                   15000 Watts

Grid Dissipation                                                          200 Watts

Maximum frequency for full rating CW                           110 MHz

Capacitance Grounded Cathode connection:

Input                                                                                    160.5 pf

Output                                                                                 24.5 pf

Feedback                                                                           1.5 pf

 Mechanical specifications for the 4CX15,000A  /  4CX15000A  /  8281 Vacuum tube:

Cooling                                                                      Forced air

Base                                                                          Coaxial

Length                                                                       9.38 in.

Diameter                                                                    7.58 in.

Weight                                                                       12.8 lbs.

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Revised: March 15, 2007