4cx15,000a/8281
chaRacteRistics
The 4CX15,000A/8281 is intended for use in audio
or radio frequency applications. It features a
new type of internal mechanical structure which
results in high RF operating efficiency. Low RF
losses in this mechanical structure permit opera-
tion of the 4CX15,000A/8281 at full ratings up to
110 MHz and at reduced ratings to 225 MHz.
Plate Dissipation (Max.)
Screen Dissipation (Max.)
Grid Dissipation (Max.)
Frequency for Max. rating (CW)
Amplification Factor
Filament/Cathode
Voltage
15,000 Watts
450 Watts
200 Watts
110 MHz
4.5
Thoriated Tungsten
6.3 Volts
Current
160 Amps
Grounded Cathode
160.5 pf
Capacitance
Input
Output
24.5 pf
Feedthrough
Capacitance
Input
1.5 pf
Grounded Grid
67 pf
Output
25.5 pf
Feedthrough
Cooling
0.2 pf
Forced Air
Special, Coaxial
SK-300A
Base
Air Socket
Air Chimney
Boiler
SK-316
---
Length
9.38 in; 238 mm
7.58 in; 193 mm
12.8 lb; 5.8 kg
Diameter
Weight
ꢀ
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ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀMaxiMuMꢀRatingsꢀ
ꢀ
typicalꢀOpeRatiOn
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pꢁꢂꢉꢆꢀꢀ
pꢁꢂꢉꢆꢀ
pꢁꢂꢉꢆꢀ
sꢈrꢆꢆꢊꢀ
pꢁꢂꢉꢆꢀ
Drꢇvꢆꢀ
Oꢋꢉꢅꢋꢉꢀ
ꢀ
ꢀ
Voꢁꢉꢂꢌꢆꢀ cꢋrrꢆꢊꢉꢀ
Voꢁꢉꢂꢌꢆꢀꢀ Voꢁꢉꢂꢌꢆꢀ cꢋrrꢆꢊꢉꢀ ꢀpowꢆrꢀ powꢆrꢀ
(Voꢁꢉꢃ)ꢀ
10,000ꢀ
8,000ꢀ
(amꢅꢃ)ꢀ
6.0ꢀ
(Voꢁꢉꢃ)ꢀ
10,000ꢀ
8,000ꢀ
(Voꢁꢉꢃ)ꢀ
(amꢅꢃ)ꢀ (Wꢂꢉꢉꢃ)ꢀ (kꢇꢁoWꢂꢉꢉꢃ)
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ꢀ
ꢀ
cꢀ
cꢀ
RFꢀꢂmꢅꢁꢇfiꢆrꢀ
750ꢀ
4.6ꢀ
3.7ꢀ
4.3ꢀ
8.5ꢀ
3.3ꢀ
220ꢀ
150ꢀ
---ꢀ
36.5
23.5
28.5
57.7
16.5
RFꢀꢂmꢅꢁꢇfiꢆrꢀꢅꢁꢂꢉꢆꢀmodꢋꢁꢂꢉꢆdꢀ
RFꢀꢁꢇꢊꢆꢂrꢀꢂmꢅꢁꢇfiꢆrꢀ
4.0ꢀ
750ꢀ
aB1ꢀ
aB1ꢀ
---ꢀ
10,000ꢀ
10,000ꢀ
6,600ꢀ
6.0ꢀ
10,000ꢀ
10,000ꢀ
6,000ꢀ
1,500ꢀ
1,500ꢀ
700ꢀ
aFꢀꢂmꢅꢁꢇfiꢆrꢀorꢀmodꢋꢁꢂꢉorꢀ(2ꢀꢉꢋbꢆꢃ)ꢀ
tꢆꢁꢆvꢇꢃꢇoꢊꢀꢁꢇꢊꢆꢂrꢀꢂmꢅꢁꢇfiꢆrꢀ
6.0ꢀ
---ꢀ
5.0ꢀ
1,350ꢀ
The values listed above represent specified limits for the product and are subject to change. The data should be used for basic
information only. Formal, controlled specifications may be obtained from CPI for use in equipment design.
Forꢀꢇꢊformꢂꢉꢇoꢊꢀon this and other CPI products, visit our website at:ꢀwww.ꢈꢅꢇꢇ.ꢈom,
or contact: CPI MPP Division, Eimac Operation, 607 Hansen Way, Palo Alto, CA 94303
telephone: 1(800) 414-8823. fax: (650) 592-9988 | email: powergrid@cpii.com