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October 05, 2008

Comments

Ed

Haven't you ever heard it's not the size, but how you use it? Bigger doesn't guarantee better.

jeffrey McMahon

You're mixing apples and oranges.

Ed

I remember in the early days of transistor radios, the more transistors it had, supposedly the better it was. Six transistors was quickly replaced by 8, then 10 was the standard. In some radios, they found some of the transistors were just dummies...soldered to the PC board, but inoperative, just so the radio could claim it had 8 or 10 or whatever number of transistors. So don't assume that a bigger ferrite antenna guarantees better reception. It might, and it might not.

jeffrey McMahon

But I doubt the PR-D5 has a dummy AM antenna.

Ed

I am saying that the size of the ferrite bar alone doesnt mean much, there are other design factors involved in making a great AM radio. What if the AM section has high noise? So then the big antenna pulls in more noise. Not desirable.
So if 8 is good, why not make it 16? Adding a 16" antenna wouldn't make it twice as good a an 8 inch rod, there is a point of diminishing returns. Anything more than what is optimal for the design is, in a way, a "dummy" antenna.

jeffrey McMahon

Okay, I see your point.

Now tell me this. Are there any big AM antennas built inside dummy radios?

Ed

Not that I know of.

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