The 2006A 2002A and 2004A are a family of high quality, desk model, single stage linear RF Amplifier using an Eimac Eitel-Mc Cullough Inc ceramic triode power tube. All models employ the same grounded grid design to insure simplicity of concept and all employ conservatively rated components to insure years of reliable operation. The Amplifier are completely self-contained and use the highest quality RF. DC and AC components available today. All that is necessary for operation is a Transceiver an AC mains source and a 50 ohm Antenna ystem. The 2006A offers about 13 dB of power gain (the output power is approximately 20 times the input power). This makes it easy to drive to full output with most popular low power solid state Transceiver It will delivery 1000 watts PEP and 600 watts FM into a 50 ohm load. This Amplifier uses a traditional Pi output tank circuit. Th3 2002A also oilers about 13 dB of power gain (the output power is approximately 20 times the input power). This model uses a 1/4 wave strip-line and a low pass output filter. Th2 2004A offers approximately 10 dB of power gain (the output power is approximately 10 times the input power). The 2004 uses a 1/2 wave stip-line and a tuned stripline output filter. These three models can be used for amateur, industrial, scientific, medical, commercial and export users at the selected band between 50 and 500 MHz. All models are designed around the same basic RF chassis which employs a grounded grid design with silver flashed RF components. All models can be used for AM, FM, SSB. CW RTTY or pulse operation. Please read the instruction manual carefully before operating your new equipment. Power Amplifier particularly at this power level and frequency, can easily be damaged by improper operation. The Amplifier are shipped completely assembled with the tubes installed and are ready for use after the installation of an appropriate power plug. For proper operation of these Amplifier you will require a Bird Electronic Corporation or equivalent power meter capable of measuring up to 1000 watts in the appropriate frequency range. Such equipment is not supplied with the Amplifier Please carefully observe the following precautions at all times when you are using this equipment.