AmplifierSaver lets you safely tune up your linear amplifier perfectly for full power output and best linearity It protects your expensive amplifier during tune-ups from over-heating, tube damage, power supply stress and arc-over.

MFJs innovative pulse tuning technology lets you tune your amplifier at full peak output power for best linearity. It keeps average power to a low safe level to prevent overheating and power supply stress.

"Sniff-out" RFI or TVI caused by rusty guy wires, rain gutters, clotheslines and others by generating full peak power without amplifier damage. Also use to evaluate wattmeters and QSK systems

Set and forget internal trim pots let you tailor duty cycle and pulse rate precisely for your rig and amp. Plugs into your rigs CW key jack. Simply press Pulse Tune button and tune your amplifier normally for maximum power output. Deluxe version has Duty Cycle and Pulse Rate controls on front panel.

Locking pulse tone and momentary carrier tune buttons. Fully shielded all metal case. Uses 9V battery (not included.). Measures a compact 3 1/4 x 1 1/4 x 4 inches.