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17th May 2022, 10:24 | #1 |
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Rover 75 Tourer Join Date: Jan 2010
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DAB/FM splitter
I have looked through the numerous DAB aerial threads but couldn’t find any covering use of a DAB/FM aerial splitter in our cars. I am looking at replacing my Symphony head unit with a Blaupunkt DAB as since having DRLs fitted sod’s law decrees that they interfere with the main station I listen to LBC 97.3 on FM.
Has anyone used a passive splitter on a tourer and if so what were the results like ? They seem a neater solution that the film type and I don’t want to go down the path of drilling a hole. Has anyone has any experience of the single DIN Blaupunkt Valencia 200BT ? that’s the one I’m looking at as I like the simple OEM appearance of it. Many Thanks John |
17th May 2022, 18:11 | #2 | |
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Really? DRLs are just LEDs. Aren't they driven by a DC supply? If so, that shouldn't interfere with radio reception. What form does the interference take John? Simon
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17th May 2022, 18:39 | #3 |
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Hi Simon, a loud buzzing that makes the station unlistenable, switch on the headlights which turns off the DRLs and the buzzing goes, same as listening to the radio on stage one of the ignition before the DRLs are powered up. It’s odd as it’s only that station and didn’t have the problem before the DRLs were fitted. LEDs can cause strange interference, on my pushbikes I have got wireless trip computers and when I used a hi-power LED headlight if it was mounted near to the computer it would interrupt the wireless signal !
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18th May 2022, 06:27 | #4 |
Doesn't do things by halves
Rover 75 2.5 Connoisseur Auto (1999) Dealer launch model. Join Date: Mar 2007
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Thanks for that John. Are the DRLs wired directly to the car's loom or is there some sort of "driver" involved? If the latter it might be that it, or the wiring to the LEDs, needs screening.
Of course the simplest solution is to dispense with the DRLs. Changing the radio receiver and aerial system is a lot of work for what could be considered a fashion accessory. Also, do you have a guarantee that the Blaupunkt DAB unit won't be similarly affected? Simon
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"Whatever is rightly done, however humble, is noble." Sir Henry Royce. Last edited by SD1too; 18th May 2022 at 08:19.. |
18th May 2022, 19:33 | #5 | |
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Rover 75 Tourer Join Date: Jan 2010
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29th May 2022, 06:35 | #6 |
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Never had a problem with car visibility before drls became the norm on moderns.
Ditch the drls and if you're concerned about being seen just put your dipped headlights on. |
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