Electron Tubes for Industrial, Broadcast and Ham Radio Applications

 

 

 

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4CX15,000A  4CX15000A  8281

 

 

 

The 4CX15000A vacuum tube is intended for use in audio or radio frequency applications. It features a new type of internal mechanical structure which results in higher efficiency. Low RF losses in this mechanical structure permit operation of the 4CX15000A at full rating up to 110MHz, and at reduced ratings, to 225 MHz.

 

 

 

 

Filament
Thoriated Tungsten Mesh
Filament Voltage
6.3V
Filament Current
160.0A
Capacitances
(Gnd.Kath. Connection)
Input
160.5pF
Output
24.5pF
Feed-through
1.5pF
Capacitances
(Gnd.Grid. Connection)
Input
67.0pF
Output
27.5pF
Feed-through
0.2pF
Amplification Factor(g1-g2)
4.5
Plate Dissipation (Max.)
15000W
Screen Dissipation (Max.)
450W
Grid Dissipation (Max.)
200W
Frequency for Max. Ratings(CW)
110MHz
Base
Special, coaxial
Recommended Air System Socket
SK-300 A
Recommended Air Chimney
SK-316
Cooling
Forced Air
Maximum Seal&Anode Core Temperature
250℃
Weight(approximate)
5.8kg
Operating Position
Vertical, base up or down
 

 

 

 

Class of Operation
Type of Service
Max. Ratings
TYPICAL OPERATION
Plate Voltage (V)
Plate Current (A)
Plate Voltage (V)
Screen Voltage
(V)
Plate Current (A)
Drive Power
(W)
Output Power (W)
C
RF Amplifier
10000
 6.0
10000
750
4.6
220
36500
C
RF Amplifier Plate  Modulated
8000
4.0
8000
750
3.7
150
23500
AB1
AF Linear Amplifier
10000
 6.0
10000
1500
4.3
-
28500
AB1
AF Amplifier or Modulator
10000
 6.0
10000
1500
8.5*
-
57700*
 

 

* Two tubes

 

 

 

 

 

 

 

 

 

 

 

 

 

GREENSTONE USA
Copyright © 2001 GREENSTONE USA All rights reserved.
Revised: November 02, 2010