TUBE 4CX1500A

GENERAL DESCRIPTION


photo 4CX1500A The 4CX1500A is a general purpose tetrode for use up to and through VHF. Insulation is ceramic and the thoriated tungsten filament is a rugged mesh design. The screen terminal is a continuous ring which allows good isolation between the plate circuit and the control grid circuit.
The 4CX1500A is recommended for use as a Class C power amplifier, Class B or Class AB, linear amplifier as a regulator, and in pulse modulator service.


TECHNICAL SPECIFICATIONS
Plate Dissipation (Max.) 1500 watts
Screen Dissipation (Max.) 75 watts
Grid Dissipation (Max.) 25 watts
Frequency for Max. Ratings (CW) 150 MHz
Cooling Forced Air
Filament
Voltage
Current
Thoriated Tungsten Mesh
5.0 volts
38.5 amperes
Capacitances (Grounded Cath. Connection)
Input
Output
Feed-through

78.0 pF
10.5 pF
0.25 pF
Amplification Factor (g1-g2) 5.5
Transconductance 26,000 µmhos
Base Special, Breechblock
Recommended Air-System Socket SK-831
Recommended Air Chimney SK-806
Maximum Seal & Anode Core Temperature 250°C
Maximum Length 4.90 in; 124.50 mm
Maximum Diameter 3.37 in; 85.60 mm
Weight (approximate) 36 oz; 850 gm
Operating Position Vertical
Specifications may change without notice

THIS TUBE IS USED IN THE FOLLOWING SHORTWAVE BROADCAST TRANSMITTERS
Manufacturer Transmitter specifications Power in kW
Elcor SW-5 K 5
SW-40 K 40
SW-50 K 50
SW-100 K 100
Harris SW-50 50
SW-50 A 50
SW-50 B 50
SW-100 100
SW-100 A 100
SW-100 B 100
NEC Corporation HFB-7847 50


THIS TUBE IS AVAILABLE FROM
Manufacturer Rebuilder Distributor
Eimac Econco Richardson Electronics
Penta Laboratories






PRICE LEVEL (US$)
1 2 3 4 5 6
0 - 10 10 - 100 100 - 1000 1000 - 10,000 10,000 - 50,000 50,000 - 100,000