The MLA 100 is a 100W 12V amplifier perfectly suited for QRP radios with a transmit power of 5W. With a drive power of 5W, the amplifier achieves an output power of 100W on the bands from 160 to 10m, and with 8W drive 80W output on 6m. The MLA100 features 7 Low Pass Filters automatically inserted or manually selected from the front panel. It also features PIN diode RTX switching for use even in QSK. The MLA100 is protected from excessive antenna VSWR, Excessive input power overdrive and has a thermal shutdown if overheated.
The KL 503 HD is a 12V linear amplifier for use in the frequency range 25 – 30 MHz, with a drive power of 1 to 35 W in all modes. The KL 503 HD features a six-position power selector via a a front panel knob and a RX preamplifier with electronic switching, which can be activated via a switch on the front panel.
The KL 300 P is a 12V linear amplifier for use in the HF frequency range, with a drive power of 1 to 10W in FM/AM mode, and 2.0 – 20W in SSB mode. KL 300 P also features a 25dB preamplifier with electronic switching, which can be activated via a switch on the front panel.
The LA 251 is a 200W 12V linear amplifier for use in the VHF 150 – 160 MHz band, with an input power of 1 – 15 W. The LA 251 has an illuminated LCD display where all the parameters of the apparatus are indicated. It also features protection for excessive antenna VSWR, excessive input power and over temperature.