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  • FIRST POST
    • womble12345
    • By womble12345 4th Dec 17, 12:03 PM
    • 386Posts
    • 147Thanks
    womble12345
    TV signal splitting
    • #1
    • 4th Dec 17, 12:03 PM
    TV signal splitting 4th Dec 17 at 12:03 PM
    I have an TV aerial in my loft that feeds my lounge TV. In the lounge I have a face plate with 1 socket which I currently attach my Humax box to and then I use the pass thru socket on the humax to connect to my TV. I am very happy with the picture on my TV (and Humax box) currently.

    I now have bought a Vbox xti3442 which also needs an aerial input. I have bought one of these Y-splitters:



    However after using it the picture on my TV pixellates on some channels, it seems there is some signal loss going on.

    What is my best way to get an extra aerial input without degrading signal? Would something like this be better than the existing Y-splitter? http://www.argos.co.uk/product/5713361

    Thanks
Page 1
    • Head The Ball
    • By Head The Ball 4th Dec 17, 12:50 PM
    • 2,980 Posts
    • 6,854 Thanks
    Head The Ball
    • #2
    • 4th Dec 17, 12:50 PM
    • #2
    • 4th Dec 17, 12:50 PM
    ..What is my best way to get an extra aerial input without degrading signal? Would something like this be better than the existing Y-splitter? http://www.argos.co.uk/product/5713361

    Thanks
    Originally posted by womble12345
    Yes, and at only £14 it is worth trying as it will almost certainly solve the signal degradation problem.

    That Y Splitter is halving (or at least significantly weakening) the signal to each device which is fine with a very strong signal but can cause problems with weaker signals. You need a powered amplifier to boost each half signal.

    It is possible that similar signal amplifiers are available for less than £14.

    Have a look on eBay, Amazon etc.

    eBay link.
    Last edited by Head The Ball; 04-12-2017 at 1:00 PM.
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    • forgotmyname
    • By forgotmyname 4th Dec 17, 3:11 PM
    • 26,234 Posts
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    forgotmyname
    • #3
    • 4th Dec 17, 3:11 PM
    • #3
    • 4th Dec 17, 3:11 PM
    I have used those and inside will be wires split from the input to the output, with a resistor inline so yep they do reduce the signal strength.
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    • psychic teabag
    • By psychic teabag 4th Dec 17, 5:50 PM
    • 2,634 Posts
    • 1,550 Thanks
    psychic teabag
    • #4
    • 4th Dec 17, 5:50 PM
    • #4
    • 4th Dec 17, 5:50 PM
    Were you splitting before the humax ? If the humax amplifies the signal on the way through, it might be strong enough to split ?

    (Obviously no use if you plan to retire the humax.)
    • womble12345
    • By womble12345 5th Dec 17, 2:48 PM
    • 386 Posts
    • 147 Thanks
    womble12345
    • #5
    • 5th Dec 17, 2:48 PM
    • #5
    • 5th Dec 17, 2:48 PM
    Were you splitting before the humax ? If the humax amplifies the signal on the way through, it might be strong enough to split ?

    (Obviously no use if you plan to retire the humax.)
    Originally posted by psychic teabag
    I dont plan on retiring the humax yet.

    I have been splitting at the wall (ie before the humax), I hadnt considered splitting after the humax as I didnt realise that it may be amplifying the signal but I will certainly try that.
    • Rodders53
    • By Rodders53 5th Dec 17, 5:39 PM
    • 426 Posts
    • 291 Thanks
    Rodders53
    • #6
    • 5th Dec 17, 5:39 PM
    • #6
    • 5th Dec 17, 5:39 PM
    The male is INPUT(on left of your pic) and the two sockets are OUT (on right). People have been know to mis-connect these splitters and get a good signal on one route but next to nothing on the other.

    Not seen resistive Y-splitters on sale (>6dB loss or <1/4 signal to each output) for many many years. Inductive ones are 3 to 4dB loss, or just over half.

    If signal from aerial is so marginal that a 4dB or 6dB loss causes breakup then you need to upgrade aerial or amplify at the aerial NOT behind the TV. http://www.aerialsandtv.com/ampsandsplitters.html#ampbasics is worth reading!

    I'd not give any SLX kit house room, personally; and that unit being one way is not ideal, a multi-outlet distribution amplifier with around 8dB gain would be preferred.

    BUT a one way masthead amp kit (with remote power up the aerial cable) plus passive splitting behind the TV would work much better, although if mains is available in the loft a one way amplifier there would work, too (and passive splitting behind the TV).
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