"Cecil Moore" wrote Reg Edwards wrote:
What's the percentage current unbalance on the balanced line when
there's a
450-ohm to 50-ohm, balanced to unbalanced junction without a balun?

You didn't give enough information for anyone to provide a valid answer,
Reg. What is the impedance from the junction looking back toward system
ground? If it is three ohms, a balun is necessary. If it is 300 ohms,
you can probably get by without a balun.

OK, so it's 3 ohms. Wot's the percentage unbalance ?
Just a number is required.

If it's 300 ohms. Wot's the percentage unbalance ?
Just another number is required.

What are the odds on you providing answers ?
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Reg