Introducing the Viking "Thunderbolt" — the hottest linear amplifier on the market today! Here's solid communication power — 2,000 watts P.E.P,* input; 1,000 watts CW; 750 watts AM linear; in a completely self-contained desk-top package. The ''Thunderbolt'' may be driven by the Viking ''Navigator/' "Ranger/' "Pacemaker" or other unit of comparable output, Continuous coverage 3.5 to 30 megacycles (bandswitched. — wide range pl-network output circuit. The "Thunderbolt" has been engineered to provide maximum "talk-power" to ^mash through QRM — delivers a dominant signal on all amateur bands. Completely self-contained with internal blocking bias, voltage regulated screen and bias supplies, and plate power supply.