Some users perform "low audio fixes" or mic gain adjustments to improve voice punch on SSB. Where to Find Specific Guides
: The unit is designed for continuous transmission, but the rear can get very warm during high-power operation. Users sometimes add external quiet fans to the rear heatsink to extend the life of the final power transistors. Kenwood Tkm-707 Mods
Over decades, the thermal compound between the power transistors and the heatsink can dry out and become brittle. Carefully cleaning the old compound and applying a fresh, high-quality non-conductive thermal paste can significantly improve heat transfer. General Hardware Maintenance Some users perform "low audio fixes" or mic