User's Manual

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SPECIFICATIONS
MODEL 417
BAND COVERAGE
POWER OUTPUT
DRIVING POWER
PLATE EFFICIENCY
INPUT AND OUTPUT
IMPEDANCE
HARMONICS
CW BREAK-IN
PROTECTIVE CIRCUITS
PRIMARY POWER
LINE PROTECTION
TUBES
COOLING
160, 80, 40, 30, 20, 17, and 15 meters
(12 and 10 meters for authorized users).
1500 watts continuous in SSB, CW, AMTOR/PACTOR
(50% duty cycle modes) on all bands. 1000 watts
RTTY/SSTV (continuous duty cycle modes) for up to 10
minutes on 160, 80, 40, 20, 15, and 10 meter bands (750
watts on WARC bands 30, 17, and 12 meters).
60 watts typical for 1500 watts output.
Up to 65% depending on band, frequency, line voltage
and impedance load.
50 ohms unbalanced with VSWR <2:1
Meets or exceeds FCC requirements.
Built-in T/R switching in less than 7 ms.
A.) Screen grid voltage regulation, current limiting, over
voltage protection and MOV arc over protection. LED
over-current indication.
B.) Control grid voltage regulation, current limiting and
LED over-current indication.
C.) Plate current over-current trip at 1.5 amps. Series
resistor for arc absorption.
240 VAC –10%/+5% @ 20 amps, 50/60 Hz
Primary line fuses, chassis interlock, and step-start inrush
protection.
Two Svetlana 4CX800A ceramic tetrodes in grid-driven
configuration.
Forced air, vertical exhaust, using centrifugal blower to
produce .1” of water pressure drop at sea level, 25 degs. C
air temperature.