The Henry Radio 2-K Linear Amplifier is a one stage Amplifier designed for SSB, CW, FSK and AM operation with any exciter capable of 80 to 160 PEP output. The 2-K is capable of maximum legal input in amateur bands between 3.5 and 29.7 megacycles. Utilizing parallel 3-^OOZ grounded-grid Amplifier tubes and a unique band-switching network, the 2-K achieves maximum power and high stability with extreme simplicity of design.