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Instead of connecting an output from the Beomaster to the Aux input of the Beosound, I was wondering if I could connect my Beolab speakers to the BV8 instead, and set it up with the BV8 in Opt 2 and the BS4 in Opt 0 (which is what the Beolink handbook seems to suggest if you want your speakers connected from the TV).

You might be able to do this, but not sure how that affects playing the source on link room speakers

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But: if I did then also connect a Beomaster via my 1611, that would also need to be in Opt 0, so I’m guessing that wouldn’t work, as the two audio masters would both be in Opt 0.  The Beolink handbook (v2.1) gives lots of examples of setups with more than one video master, but none with more than one audio master.

The BM4500 with the 1.6 SW has a double option setting x.x where the first is option 1, 2, 3 or 4, and the .x is either 5 for working a master and 6 for working as a link room. I am A little in doubt if option0 is possible, but will check up on that.

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The BM4500 with the 1.6 SW has a double option setting x.x where the first is option 1, 2, 3 or 4, and the .x is either 5 for working a master and 6 for working as a link room. I am A little in doubt if option0 is possible, but will check up on that.

Just tested, and the BM4500 can be setup in option 0.6 making it a link room device with no remote control. One thing I am however not sure of is how it will work with a 1611 converter as that works a Audio Master, but maybe with a 1614 or a 1615 with a special cable as shown in usecase 8 this post   

Ah that's interesting, thanks.  The ML Gateway can send commands to link room products, and I do also have a 1614 converter, so your 'use case 7' could work (assuming I can get a BM4500 at a reasonable price!).

Such a shame that B&O abandoned Beogram compatibility on their later products though.  I saw a video where Hall Audio suggested they had considered developing a phono stage that uses Datalink and connects via ML, for use with later Beosound devices such as my BS4.  I sincerely hope they do!

Yes, I see they've updated their website recently which gives a bit more info on the ML Streamer, and I definitely want one of those!  It will make a fine replacement for my WIIM Pro, when it's available.

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I have one more option I can check. I have a little analyser tool I can connect to the datalink pin in the AUX cable to see if a datalink command is sent along with the 5V in the powerlink cable. Also I can check if the datasignal looks different then the one sent from the BC9300. I know it is a rabbit hole as we will probably not be able to fix anything if the datasignal is missing or different, but it could maybe give some closure about why this functionality is flaky

So I had a try with the data analyser tool where i captured the data stream on pin 6 in the AUX cable between the 1611 and the BC9300 and MCL2AV respectivly when the 1611 si connected to the Beocenter 6-23 with Masterlink. If I press CD when the BC9300 is used the TV starts up immediately as I have experienced before, and the captured data signal looks like this showing that some data is sent Login to view image If I try the same with the Beocord 3500 connected to the MCL2AV for a situation where the TV does not start the dataline is just flat meaning not data. If I after some turning on and off get the TV to start I get a datasignal much like the above (but some differences because of a different source). So my best guess is that the MCL2AV does not establish a data connection with the 1611/BC6-23 before it has been initialised, which in this case first seems happen after the TV has activated the MCL2AV a couple of times. One thing to note about this behaviour is that the MCL2AV was never intended to be converted to masterlink on that TV connection. Only connect to a MX/LX type of TV with datalink, so there is probably many scenarios B&O has not verified or even tested if would work.    

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Someone brought it up on the Discord B&O channel, and Hall audio answered that the ML streamer is their first priority for now

That would be me :)

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This must be why it stopped working for me, then came back to life.

I guess that is the same issue your are experiencing.

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Annoyingly I was late to the MasterDataTool party and so missed out on getting hold of one – it would have been ideal for me. I hope the forthcoming Datalink streamer will also include the masterlink port to bridge the two interfaces instead of just acting as a streamer.

An alternative could still be a Beomaster 3500/4500/5500/6500/7000 instead of the MCL2AV in the same setup. Not so easy to hide though.

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Madskp wrote: So my best guess is that the MCL2AV does not establish a data connection with the 1611/BC6-23 before it has been initialised, which in this case first seems happen after the TV has activated the MCL2AV a couple of times.

This must be why it stopped working for me, then came back to life.

Looking through a user manual for the MCL2 system I noticed this passage: Login to view image Not sure if it has to do with the issue we have experienced, but it sounds like the use of a local source  on a MCL2AV has some first time initialization when used with a MCL master. I wonder if this affects how the local source is interperted when there is not an MCL master present, and if that could cause the non responsive behaviour.