Designed for years of trouble free service, the totally solid state QEI Quantum Series FM transmitters provide an unsurpassed broadcast signal. The Quantum Series of 1.2 to 9.6 kilowatt transmitters offer the FM broadcaster the benefits of QEI's unequaled background in FM solid state performance and reliability. QEI developed the Quantum Series utilizing decades of real-world field proven experience in solid state FM transmitter design. This completely solid state design offers significant savings by eliminating tube replacement costs associated with conventional transmitters. The Quantum Series offer high efficiency resulting in additional savings in power consumption and reduced heat loads. The Quantum Series of transmitters feature modular power amplifiers and are available in power levels between 6.0 and 9.6 kilowatts. You can buy precisely the amount of power you need. This makes the QUANTUM Series affordable to own and operate. The Quantum Series house the exciter/driver, FET power amplifier modules, output combiner, power supplies and harmonic filter/directional coupler assemblies in one unit.