Protective Functions:
Grid and screen current limiting; trip to
standby (automatic reset) for excessive
VSWR or average plate current, RF arc,
severe mistuning; AC off trip for HV
fault; primary and step-start fuses; cover
AC interlock and HV crowbar switches;
AC inrush-current limiting (Step-start).
Status Indicators:
STANDBY, WAIT (initial turn-on time
delay), OPERATE and FAULT LEDs.
Metering:
Dedicated, full-time LED bargraphs
display forward and reflected rf power;
grid current LEDs; LED bargraph
selectable among plate voltage, plate
current, and tune-up functions.
Size:
7.5” H x 17” W x 16.5” D
(19x43x39cm) excluding controls, feet,
and connectors.
Weight:
66lb. (30kg) net, 75lb (34kg) ship; two
cartons.
Note: Radio Alpha Products reserves the right to change design and/or specifications
without prior notice or obligation.
*FCC rules do not permit new amateur amplifiers to be operable on 24-30 MHz as
delivered within the United States and possessions. The Alpha 99 as shipped to any
US address will not be operable on 21 MHz and above. Owners who send a copy of
their authorizing license to Radio Alpha Products will be provided information on
“unlocking” these bands.
Radio Alpha Products Inc. ® Alpha 99
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