Alpha/Power was founded more than a quarter century ago as ETO (Ehrhorn Technological Operations) to design and manufacture the best possible maximum-legal-power, continuous heavy duty, HF linear amplifier for radio amateurs. Alpha Amplifiers are known to operate keydown at full power output and no time limit and are used by hams, commercial and government transmiiters. The Original Alpha ETOs are known to be the best and today cost as much as $10,000. The ALPHA 76 Series Amplifiers are legendary and made by ETO Alpha, the first Alpha developer and best manufacturer of Alpha Amplifiers which are the Best Ham Radio Amplifiers in the World. ALPHA 76 supports 160-10 Meters and has convenient dual meters on the front and is one of the Most Rugged and Desirable Amplifiers ever made. ALPHA 76PA has THREE 8874 Final Amplifier tubes and delivers an easy 1500+ Watts Output and up to 2000-2500 Watts Output on CW, this ALPHA 76 has THREE 8874 final tunes. Manual available to download at: ftp:/bama.sbc.edu/downloads/alpha/76a/ She is currently wired for 220 Volts AC, can easily be switched to 110 Volts AC and measures a Very Compact 7.5H x 17W x 14.75D from an engineers estate at $1500.