Kenwood LF-30A

The LF-30A is a Low Pass filter. It's purpose is to suppress harmonic waves that may be generated by any of the power amplifier stages in case they should not be adjusted and operated properly. Every amplifier tends to produce multiples of the input frequency if operated in an aggressive mode. I have used this filter to protect TV reception of our neighbours from being disrupted or elsehow garbled by any of my transmissions.

The LF-30A is capable to filter a transmission power of 1 kilowatt PEP.