Alpha 99         DOWN LOAD THE 99 PRODUCT SHEET
Description
The Alpha 99 is the best value full legal limit amplifier you can buy, bar none. It is a rugged amplifier using the Svetlana 4CX800A tubes. Alpha 99 owners world-wide will confirm that this amplifier measures up in every way to the Alpha legacy.

Alpha Radio Products provides a four-year, non-prorated factory limited warranty. Our amplifiers are built and tested in our facility in Boulder, Colorado. You know you can count on us to support both your new and all legacy ALPHA amplifiers ...we carry on the tradition of 30 years of being there for you! .

Features
  • Capable of 1.5kW continuous RF ouput on all commonly used modes and on any authorized amateur frequency from 1.8 to 29.7 MHz with no time limit
  • Two 4CX800 svetlana tetrodes
  • Full CW break-in (QSK) and all digital modes
  • Compatibility with popular amateur transceivers and exciters
  • Massive Hipersil tape-wound transformer
  • 4-year Alpha Radio Products limited warranty 30-day money-back guarantee
Specifications
Band Change & Tuning: Manual tune and load. Quick change and retune using built in "tune" indicator. No special cables or connections required.
Frequency Coverage: All amateur bands 1.8-29.7 mhz* plus most non-amateur frequencies 6.0-19.0 mhz and 20-30 mhz.
Power Output: 1500 watts pep, keyed cw, or continuous carrier, no time limit. Auxiliary cooling fan (optional) recommended for very high duty cycle continuous operation i.e. contesting & RTTY.
Drive Power: Typically 50 to 55 watts for full rated output.
Input VSWR: < 1.5:1
Tube Complement: Two svetlana 4cx800 ceramic-metal tetrodes. Grounded cathode, class ab with broadband passive input.
T/R System: Rugged vacuum relay. Full QSK.
ALC: Grid-current-derived, -10v maximum, adjustable gain.
Harmonic Output: Better than 50 db below rated output.
Intermodulation: Better than 30 db below rated output.
Fault Protection: Plate current, load vswr, t/r sequencing, gain (i.e., severe mistune or rf arc).
Displays: Led bargraphs for peak pout, prefl and switched bargraph for ip, hv and tune indicator.
Cooling: Full cabinet ducted air, rear intake/top exhaust. Floating blower mount for quietest operation.
Primary Power: 100/120/200/220/240 v nominal, 50-60 hz, single phase; fused 20a. Operation on 100-120v may reduce available output below maximum rating.
Size & Weight: 17.3" W x 7"H x 16.5" D (439 x 178 x 419 mm) excluding controls, feet, and connectors. 65 lb. (30kg) net.