Home › Forums › Product Discussion & Questions › BeoLab › Beolab 8000 y connector
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Ipe.
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24 September 2023 at 06:38 #49298
Hi
I have a problem with Y-connector.
Beolab 8000 speakers are connected to Bv9 and I have been using
Y-connector to connect beolabs to Beosound 9000.
But……
When I plug cables from Beosound 9000 to Y-connectors sound coming from
Beolab 8000 speakers cuts significantly lower level. About to half.
This happens even when 9000 is not powered on.
Hmmm……….
24 September 2023 at 23:05 #49299Yup. Don’t do that. Splitter cables are intended to have one driving device (BV *or* BS9000) and two speakers. A switch box — common manufacturers are Almando and OneRemote.dk — will use either the presence of the Powerlink “Power” pin or the audio signal to switch your speakers back and forth. (There is a technical answer that I just don’t remember about how line output impedance of the source and RCA line input impedance of the speaker[‘s built-in amplifier] are supposed to relate, and what happens if you put another source on that Y in parallel with the speaker, thus the original source “sees” the wrong impedance, not just a speaker or two.)
P.S. Don’t throw away that splitter cable — you’ll need it because the Powerlink switch boxes only have a single DIN-8 jack output!
P.P.S. The true B&O-heads here will tell you that you ought to be running a MasterLink cable between those two sources, for an integrated setup. One remote, speakers connected to one device, automated source switching thru it, routing the IR remote commands — totally B&O-whole-house-cool! But the switch boxes work with *any* two sources and don’t require learning anything about B&O systems’ “Option” settings. Given that you started with a simple Y cable, I suggested the easier-to-understand method. But it is sub-optimal if you could get MasterLink configured instead: both your BS9000 and BV9 support it!
25 September 2023 at 07:24 #49300That impedance came to my mind but I didn’t “believe” it because level
went down even when BS9000 was not powered on at all.
Have to go through boxes if I can find an ML cable. If not might buy one of those boxes you suggested.
Thanks!
25 September 2023 at 21:14 #49301Having boxes of B&O cables means you have done this before; good! But if your boxes leave you empty-handed, as a done-this-before oldster, you might not be familiar with the modern method of connecting MasterLink: buy a pair of cheap ML male –>RJ45 female adapters and run an Ethernet cable between them (preferably shielded) — much easier to find custom lengths than buying a genuine ML cable. Cheaper than the PowerLink auto-switch boxes, too!
29 September 2023 at 15:11 #49302Thanks for advice. Found ML cable from local dealer;)
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