Kenwood Tkm-707 Mods ((better))

The most common modification involves "opening up" the radio to transmit outside of the pre-programmed marine frequencies. This typically allows the unit to cover the full HF spectrum (1.6 MHz to 30 MHz). This is usually achieved by changing internal jumper settings or diode matrix configurations on the control board.

The stock TKM-707 microphone circuit is designed for marine use—flat response, no compression. When you speak softly, you get 20W peak. When you shout, you get 150W. This dynamic range is exhausting on a noisy band. Kenwood Tkm-707 Mods

Given the age of these units, certain modifications focus on longevity rather than features: The most common modification involves "opening up" the

If you're new to modifying your Kenwood TK-M707, it's best to start with simple mods and tweaks. Here are a few examples: The stock TKM-707 microphone circuit is designed for

Before you start cutting diodes, perform these two simple, risk-free mods: