Do you need a seperate FM HD Antenna? - AVS Forum
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post #1 of 13 Old 05-08-2013, 02:30 PM - Thread Starter
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I have an Onkyo tuner with a Up-ht1hd add on tuner. I have an antenna attic mounted and have been getting pretty good reception.

Id like to get both digital and non digital fm stations. Do I need separate FM antennas, or can I just split the antenna cable to the normal onkyo receiver and the HD tuner?
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post #2 of 13 Old 05-08-2013, 02:33 PM
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Depends on the antenna you have now, but if you're locking up the locals really well, then it should work. A splitter will reduce the signal level a little. I generally just jack the antenna into the HD tuner and forget about my amp's on-board tuner. Kinda redundant.

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post #3 of 13 Old 05-08-2013, 08:24 PM
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In my experience, signal loss from a regular splitter can significantly reduce your chances of locking the HD portion on many stations.

Look for a band separator. This one works very well (if you can still find it):

http://www.winegarddirect.com/viewitem.asp?p=CA8800&d=Winegard-CA8800-FM-Band-SeparatorCoupler-FM-Tap-(CA8800)
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post #4 of 13 Old 05-08-2013, 09:19 PM - Thread Starter
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Thanks for the reply, I guess signal loss from the splitter is the issue. My wife will kill me if I attempt to add to the rats nest of wires already running back there.

The linked splitter is for TV antennas, would you use it backwards? The output connects to the antenna then the HD tuner goes to the FM antenna and the TV to the receivers normal antenna input?
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post #5 of 13 Old 05-09-2013, 09:15 PM
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If you plan on using a conventional splitter for FM HD reception, I would suggest doing it as close to the antenna as possible, and before any other splits take place.

If you need to use a splitter in reverse, most of the passive ones will also function as combiners.
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post #6 of 13 Old 05-17-2013, 06:41 AM - Thread Starter
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Quote:
Originally Posted by longwong View Post

Look for a band separator. This one works very well (if you can still find it):

http://www.winegarddirect.com/viewitem.asp?p=CA8800&d=Winegard-CA8800-FM-Band-SeparatorCoupler-FM-Tap-(CA8800)

Anyone have any idea where to get one of these? I scoured the internet and haven't been able to find one, think they are gone.

Since my post I have tried a bunch of antenna combinations and can easily see how the slightest signal lost can be the difference between getting the station in digital and getting it in analog. It would seem; you have to start with the very cleanest installation, determine what stations you need. Then you add splitters and the like until the stations you loose, balance out the stations you need. The splitter itself can be the difference between digital and analog.
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post #7 of 13 Old 05-17-2013, 08:57 AM
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The HLSJ pretty much does the same thing. Are you trying to split off the line from your present TV antenna?
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post #8 of 13 Old 05-17-2013, 10:10 AM - Thread Starter
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Quote:
Originally Posted by Digital Rules View Post

The HLSJ pretty much does the same thing. Are you trying to split off the line from your present TV antenna?

No; the idea was to use the CA8800 as a splitter and have the antenna cable cable split into FM (FM Only) and TV (TV and FM). So one goes into an add on Onkyo HD Box, and the other the normal FM antenna jack.

the HLSJ would divide into VHF and UHF, so it would only give one side of the combiner the FM signal, I needed two FM signals.

They seem to stop making them a year ago, I am always a few years behind :-(
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post #9 of 13 Old 05-17-2013, 10:34 AM
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What are you using for an antenna? Is it in the attic or outside?
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post #10 of 13 Old 05-17-2013, 10:53 AM
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Something like this?

 

http://www.radioshack.com/product/index.jsp?productId=3780245


Downloadable FREE demo discs:
http://www.avsforum.com/t/1475769/de...ently-authored 

Did you really need to quote that entire post in your reply?
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post #11 of 13 Old 05-17-2013, 12:00 PM - Thread Starter
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Unfortunately I have easy access to an attic, not the roof. I have a.....

Antenna Craft Omni Directional

I find its a little directional, so as my last shot I ordered a

ANTENNACRAFT 70 FM FM6

Im hoping it shows me what I can expect to get, I seem to have a multipath issue with Boston, Providence seems to be my best bet to focus on. Im hoping a yagi style antenna can cut through some of the multipath problems.
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post #12 of 13 Old 05-17-2013, 12:09 PM
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Yes, the FM6 should make a huge difference. Get it as high as possible in the attic & experiment with different areas of the attic if reception of any desired stations are not reliable.

The Winegard 6000 is also an excellent choice. I have 2 of the 6000's & receive a few analog stations 90 + miles away in full stereo clearly much of the time. HD range is about 50 miles with the antenna in the attic (Aluminum siding doesn't help)
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post #13 of 13 Old 05-18-2013, 09:22 AM
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Quote:
Originally Posted by onkyoavr View Post


the HLSJ would divide into VHF and UHF, so it would only give one side of the combiner the FM signal, I needed two FM signals.
Neither device will give you 2 FM signals, The only difference is that the 8800 will still provide channels 2-6 on the TV output, where the HLSJ will not. There is no majic device that will do what you are looking for without the standard 3.5-4 db loss of a conventional 2 way splitter.

A better antenna or A-B switch are your best options.
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