FM Clock Radio with good blanketing protection recommendation

FM does it with frequency!
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Ray
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Joined: Sat Mar 22, 2014 10:04 am

FM Clock Radio with good blanketing protection recommendation

Post by Ray » Sat Feb 11, 2017 10:25 am

Can anyone please recommend a small FM clock radio that has the best blanketing protection? I know the Grundig models are good for other posts but I don't see that they make a table top clock radio.

Thanks

Ray

Kelly
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Re: FM Clock Radio with good blanketing protection recommendation

Post by Kelly » Sat Feb 11, 2017 7:11 pm

What's the complaining person using now, and what is the form of interference?
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Jim Sofonia
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Re: FM Clock Radio with good blanketing protection recommendation

Post by Jim Sofonia » Sat Feb 11, 2017 7:17 pm

There is no clock radio ever built that has those qualities. Get a good radio and connect a radio shack timer to it. :)

TPT
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Re: FM Clock Radio with good blanketing protection recommendation

Post by TPT » Sun Feb 12, 2017 8:25 am

The little Grundig G-8 traveler is reasonably selective, and has an alarm function. If it works, it works, if it doesn't, then you have a nice portable.

vacuum tube
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Re: FM Clock Radio with good blanketing protection recommendation

Post by vacuum tube » Mon Feb 13, 2017 8:52 am

The Sony HD radios are a clock radio and they were excellent, having the same tuner as the Sony XDR-F1HD tuner. The models were the XDR-S3HD and the XDR-S10HDIP. They are no longer made, but they show up on Ebay all the time. The Sony FM tuner in these radios is one of the best I have ever heard for sensitivity and selectivity.

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Shane
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Re: FM Clock Radio with good blanketing protection recommendation

Post by Shane » Mon Feb 13, 2017 11:11 pm

Does Sony ever make anything long enough for someone to buy it new? Are all the used items only used by factory personnel and then put on the used market? Are they just sold new overseas and you can then get them here used? :roll:
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Ray
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Re: FM Clock Radio with good blanketing protection recommendation

Post by Ray » Tue Feb 14, 2017 12:29 pm

Thanks for all the good suggestions. The person that complained is actually outside of the official FCC blanketing contour limit and is using a clock radio (not sure what kind). I've ordered the Grundig and Sony that was suggested. I've also collected about six other low cost models (GE, Sylvania, etc) and plan to compare the performance (side by side) this weekend. I'll post the results.

Ray

Ray
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Re: FM Clock Radio with good blanketing protection recommendation

Post by Ray » Sat Feb 18, 2017 5:39 pm

We tested seven table top type radios for 3rd adjacent rejection. The source is a 100 watt LPFM with a 2 bay 0.5 spaced antenna at 100 ft height.
The radios were about 100 ft away from the antenna support.

The results were surprising:

Excellent Rejection:
Sony XDR510 HD
Insignia NS-CLOPP-2 (from Best Buy $30)

Moderate Rejection:
Nelsonic NLC014

Poor Rejection:
Grundig S350
RCA RC142D
Sylvania SCR1986
Memorex MC5431

I was surprised that the Grundig did not show better results and that the low cost Insignia performed so well. The Sony is a high end unit that also has HD capability.

I thought I'd pass this along. This was not a very scientific test, just our observations.

Thanks for all the good suggestions
Ray

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