alpha/power 99 specifications
rf power output:1.5 kw pep or carrier, any mode, no time limit
frequency coverage: all amateur bands 1.8-29.7 mhz including warc;
fcc-required 10 -12 meter lockout easily deactivated
by authorized users (15m -10m locked out)
bandchange/tuneup: 5 second manual bandchange & tuneup by the numbers
drive power: 55-60 w nominal for full rated output
input impedance: 50 ohms nominal, vswr < 1.5:1
harmonics:at least 50 db below peak output @ 1.5 kw
intermodulation:at least 36 db below peak output @ 1.5 kw
t/r & cw keying:vacuum relay qsk fast enough for high speed
cw & digital modes
tubes & circuit:two 4cx800a/gu-74b ceramic-metal tetrodes;
resistive grid, pi-l output; common cathode w/rf negative feedback; regulated screen supply
metering:edicated led bargraphs for rf output and rf reflected power; switched bargraph for hv, ip and tune functions; leds for normal & excessive grid current; status leds on, wait, opr and fault
protection:grid & 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 & step-start fuses; cover ac interlock & hv crowbar switches; ac inrush-current limiting (step-start).
full-cabinet forced air; rubber isolated blower
cooling:3.5 kva hipersil?
transformer:100/120/200/220/240v nominal, 50-60 hz, 1 phase,
ac power:used at 20a; operation on 100-120v may reduce available output below maximum rating.
17.3" w x 7.5" h x 16.5" d (439 x 188 x 419mm); 65 lb. (30 kg). plug-in transformer. shippable by ups in two cartons, each about 40 lbs. (18 kg).
physical:30 day money-back guarantee & 4-year limited non-pro-rated
owner protection:warranty (copy available upon request).
