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New FM/DAB/UHF Installation
I'm putting together a system for distributing FM, DAB and UHF around
the house from the loft. I'm planning to use a combiner and amp to bring together all the inputs (Proception proAMP310X) and drop a single cable to each room. So, 2 questions: 1. At the moment, there is only one room in the house needing both TV and FM/DAB, so I'll use a wall plate. For the other rooms that just need FM or UHF can I just connect the cable direct into radio or TV, or DO I need a splitter of some form? 2. In the room needing UHF and FM/DAB, I have just bought a AV AMP that does both FM and DAB, but on separate inputs (not very convenient, but there you go). Is it going to be OK to tee off the output of FM side of the plate using something like a labgear 2 way splitter? I'm thinking it should be neater than trying to make a Y cable up. The only downside I can think of is the insertion loss. Any suggestions gratefully received. Cheers - Kev |
New FM/DAB/UHF Installation
Kevin wrote:
1. At the moment, there is only one room in the house needing both TV and FM/DAB, so I'll use a wall plate. For the other rooms that just need FM or UHF can I just connect the cable direct into radio or TV, or DO I need a splitter of some form? Just connect straight in, or use a single outlet (as illustrated in the instructions for the '310X). Provided signal levels on the system are sensible you shouldn't have any problems. 2. In the room needing UHF and FM/DAB, I have just bought a AV AMP that does both FM and DAB, but on separate inputs (not very convenient, but there you go). Is it going to be OK to tee off the output of FM side of the plate using something like a labgear 2 way splitter? I'm thinking it should be neater than trying to make a Y cable up. The only downside I can think of is the insertion loss. The VHF (radio) side of the outlet plate needs to pass both FM and DAB frequencies, i.e. should cover 88 to 230 MHz. Not all do, so be careful. An FM-only one is likely to attenuate the DAB signals excessively to the radio port. Otherwise a basic 2-way splitter used as you suggest will usually be fine. 3 or 4 dB insertion loss at VHF is unlikely to be much of a problem unless the off-air signals are particularly weak, in which case you'd really need more aerial gain. -- Andy |
New FM/DAB/UHF Installation
A Global WPTV/FM/UK is good for the wall plate as it is designed to
pass FM and DAB on the one side and TV on the other. Maxview make a plug in diplexer to seperate FM and DAB. It is metal and therefore fully screened and rather like a "Y" splitter except that the input is on the front rather than on the end. |
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