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7 STRUCTURAL FEATURES
TS-590S CONTENTS 49
Figure 7-5 Heat Sink Section
We will provide the temperature data when a continuous transmission is made at a 25°C or 77°F
room temperature so that you can understand the TS-590S’s superb cooling capability.
Figure 7-6 Temperature Data while Transmitting Continuously
As can be seen from the above graph, the output power does not drop (the protection is not
activated) while transmitting continuously for more than two hours at a 25°C or 77°F room
temperature with an output power of 100 W.
As explained above, TS-590S is designed for heavy-duty operation as were the previous HF
transceivers, but, as a general rule not limited to Kenwood products, the higher the temperature, the
shorter the life span of an electronic device. Therefore, we recommend you use the transceiver with
an appropriate output power that suits the circumstances in order to prolong the longevity of the
transceiver.