The 4CX1500B is a metal-ceramic, forced air-cooled beam power tetrode with an oxide cathode. The tube operates at low voltage and large current and has low intermodulation distortion and low grid cut off voltage. The quality of low intermodulation distortion makes the tube suitable for use as radio and audio frequency linear amplifier.
Characteristics
Filament voltage……6V
Filament current……10A
Transconductance……30mA/V
Interelectrode capacitances (cathode grounding)
input……81.5pF output……11.8pF feedback……0.02pF
Rated continuous wave, Frequencies: at most……110MHz
Operating position……any
Cooling……air forced
Air-cooled system Seat tube (recommended) ……EimacSK—800
Air-cooled pipeline (recommended)……EimacSK—806
Temperature at metal-ceramic seals……250℃
The highest working temperature on anode surface……250℃
Height: at most……124.46mm
Diameter: at most……85.6mm
Weight……770g
Maximum ratings
Anode voltage (DC) at most……3000V
Anode voltage (DC) at most……0.9A
Anode dissipation at most……1500W
Class AB RF linear amplifier
Anode voltage……2900V
Grid 2 voltage……225V
Anode current……0.71A
Effective output power……1100W
Class AB1 (double tube) audio frequency amplifier or modulator
Anode voltage……2900V
Grid 2 voltag……325V
Anode current……1.71A
Output power……2774W
Typical operation
Grid 2 dissipation at most……12W
Grid 1 dissipation at most……1W
|
|
Min. value
|
value
|
|
A
|
φ84.71
|
φ85.60
|
|
B
|
φ20.50
|
φ20.83
|
|
C
|
φ47.37
|
φ48.26
|
|
D
|
57.15
|
58.42
|
|
E
|
57.53
|
62.61
|
|
F
|
87.73
|
92.81
|
|
G
|
118.74
|
124.46
|
|
H
|
24.51
|
25.09
|
|
J
|
17.53
|
18.03
|
|
K
|
10.54
|
11.05
|
|
L
|
3.56
|
4.18
|
|
M
|
0.046
|
0.76
|
|
N
|
17.78
|
20.32
|
|
P
|
7.97
|
8.28
|
|
R
|
55°
|
65°
|
|
S
|
115°
|
125°
|
|
T
|
11.94
|
13.46
|
