YAESU FL-2100B HF Tube Power 300W Linear Amplifier Amateur Ham Radio

  

All accessories are as pictured. YAESU FL-2100B It is exhibition of the operation check goods.

It is a sorting out of possession wireless devices attached to the latter-stage elderly. Since it was an old instrument, after visually inspecting each part and making necessary corrections, after 30 minutes at 50V, 30 minutes at 80V, after leaving it at 100V for a while after warming up, using a dummy load (Max 200W), up to 200W for each band I checked the output. In addition, in order to check the balance and capacity of the vacuum tubes, we confirmed that the output was 200W+ for each tube, and measured the current at the time of non-tuning momentarily, and confirmed that both tubes flowed over 200mA. If you drive with a recent TR type transceiver, you may not get the expected output due to the impedance mismatch between the input and output circuits. In this case, we recommend inserting a matching circuit (tuner) between the exciter and the amplifier.

Since it is an old machine, the appearance has some dirt. Please check the condition with the photo and video.

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