Agree with the NTC current limiter comments of '0C and 'RF.
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You can measure the actual power into the AC-4 with a strangely named "Kill-a-Watt" AC power meter; they work well.
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TX will be more than RX, but duty cycle is low unless you are running RTTY which is not good for sweep tubes.
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You can then size the CL from:
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I have used CL-70, 80, and 90 in various pieces of gear to limit inrush, with good result.
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For AC-4 I used either CL-80 or CL-90; YMMV.
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As 'RF said you do not want these to get too hot.
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Simple to install in a piece of gear or in a simple utility box as also mentioned.
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GL es 73
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Steve
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KL7JT/1
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