characteristics
plate dissipation (max.) 3,500 watts
screen dissipation (max.) 175 watts
grid dissipation (max.) 50 watts
frequency for max. rating (cw) 150 mhz
amplification factor 5.5
filament/cathode thoriated tungsten
voltage
current 9.0 volts
41.5 amps
capacitance grounded cathode
input
output
feedthrough -130 pf
12.5 pf
1.0 pf
capacitance grounded grid
input
output
feedthrough 61.0 pf
12.5 pf
0.1 pf
cooling forced air
base special, breechblock
air socket sk-1400
air chimney sk-1406
boiler ---
length 7.90 in; 200.70 mm
diameter 4.63 in; 117.60 mm
weight 5.5 lb; 2.5 kg
--------------------------------------------------------------------------------
maximum ratings typical operation
class
of
operation type of service plate voltage (volts) plate current (amps) plate voltage (volts) screen voltage (volts) plate current (amps) drive power (watts) output power (kilowatts)
c rf amplifier at 30 mhz 7,000 2.0 7,000 500 1.9 41 11.0
c rf amplifier plate modulated at 30 mhz 5,000 1.4 5,000 500 1.4 31 5.75
ab rf linear amplifier 7,000 2.0 5,000 850 1.7 --- 5.3
ab af amplifier or modulator 6,000 2.0 6,000 850 3.1 --- 12.4
