On the rear of my Becord, there is a hole to the left of the din input. Does anyone know why it is there? It looks like it could for a button/switch. If it was more recent, I'd say it was the right size for a mini stereo in/output. There does not appear to be anything behind it for adjustment access, etc..  Did B&O think better of whatever was supposed to be there in production, and just leave it blank?

Thanks, Brian

Some Beocords in the 8000-series have a level setting switch next to the
DIN socket, allowing a switch between Line/DIN level to match many
non-B&O receivers.

Martin

That is the other side. There is a blank round space to the left of the DIN but I have no idea what it is for. I thought it might be something for one of the other decks (9000 etc) but nothing comes up. I wondered if it might have been a microphone socket but then they decided to put that on the front. So no idea is my answer!

Hi,

My Beocord 9000 has the hole too, if that helps!

Yes, of course.
The switch hole would also have been square to fit the handle of the sliding switch.

The round hole, I've once seen used for a cable remote control but the cable
just passed through this convenient hole and it was definitely homemade.
I don't know if the hole once had a dedicated function, maybe an oscillator could be
coupled in for recording calibration or so.
I have no idea.

Martin

Oh, never wondered about that, but my 2 9000's and my 8004 has it

I think in the end of the 70's B&O had a lot of holes left on stock which they did not know what to do with. So in stead of throwing them away the used them in these BeoCords......

I wonder if it has anything to do with the same plastic chassis being used for the Beomaster 6000?

If I remember correctly, the hole is in the metal bracket that also holds the DIN socket.
I suppose that makes it a metal hole rather than a plastic hole. 

Martin

Dillen:

If I remember correctly, the hole is in the metal bracket that also holds the DIN socket.
I suppose that makes it a metal hole rather than a plastic hole. 

Martin

A hole can't be made of plastic or metal, a hole is an opening in a piece of plastic, metal or another material. In a normal environment a hole is mostly made out of air.......

Yes, it's nothing with something all the way around.

Martin

And since a hole is filled with nothing, you can fill it with something. And we are back on the first thread of this topic......

I can feel a Klein Bottle thread coming up

http://www.kleinbottle.com/whats_a_klein_bottle.htm

Thanks all, for the insightful responses.  Now I know what the hole is for.  Amusement.

Sorry Brian

But there's plenty of mysteries like this in all equipment. A feature like that may have been drawn in there during mechanical design, even before the rest of the specs had been fixed, and ruled out before actual manufacturing. Then it'll get dragged along with no purpose, just like an appendix.

Along these lines, it could've also been "room for expansion" for some planned product variant (using the same case parts) that never was.

Or some other reason, unexplained to everybody else except the designers and beancounters of the time... wonder why Beomaster 3000-2 has both DIN & RCA connectors for example, while the more expensive BM4000 and BM4400 only have DINs although the circuit boards are RCA-ready?

Or why the Beomaster 8000 had a traditional galvanometer style signal strength meter when a cool bulb design (4400 or 6000 practice) is better fitting with the space-age design? The Beogram CD50 was prepared for optical out, but were newer used or exploited, and the tape monitoring loop of the Beomaster 8000 is completely useless with B&O decks, and the black/silver key combination of the Beocord 9000 which made it fit neither of the 6000/8000 components. There are a lot of examples

No apologies needed here, Mika! Sometimes we just don't know! I really enjoyed the thread!!

Brian

I have looked on the back of my BeoCord 9000, and there is not just one hole, but a bog hole with two small holes next to it. It seems that a socket can be build in. For BeoCord 9000 a timer relay box was available which made it possible to switch on a receiver which had no datalink (for instance BeoMaster 4400 as an example) for a timer recording with the internal clock of BeoCord 9000. Maybe the hole was used to mount a socket for a connector for the Timer Relay Box. But I can't find any info about it in the service documentation. I can actually see the hole drawn in the service documentation!

Thanks, Soren and Blackrix. Maybe an idea for a new thread?  'What is it?', or 'Why did they?' Sounds like it could be quite a list.

You are all totally wrong.

At the finish line in Struer there was an end check technician, his name was Jens Dram, he did like to drink, but was not allowed to drink hard liquer during work time (beer was allowed as everywhere in DK), he found out that a small pocket bottle fitted just inside the chassis, to get unseen at the liquer he bored a hole in each unit he was checking, through the hole he put a strawhalm into the bottle and this way he could get through the day without starting shaking, the overseers never found out.

Today Jens is dead and on the graveyard in Struer you can find a stone engraved with "Under these empty bottles rests Jens Dram".

Søren Hammer:

...and the black/silver key combination of the Beocord 9000 which made it fit neither of the 6000/8000 components. There are a lot of examples

Or -Some might say it fits both

tournedos:

Or some other reason, unexplained to everybody else except the designers and beancounters of the time... wonder why Beomaster 3000-2 has both DIN & RCA connectors for example, while the more expensive BM4000 and BM4400 only have DINs although the circuit boards are RCA-ready?

As You said: The beancounters decided...Only reason: -to save money.
But then years later, the RCA connectors returned in the 8000 and 6000 series and again in the 5000 and 5500 series. But they disappeared again with the 6500 models... Obviously some new beancounters once again ordered to cut the costs in the production. It has happened quite a few times in the history of B&O

Steffen:

But then years later, the RCA connectors returned in the 8000 and 6000 series and again in the 5000 and 5500 series. But they disappeared again with the 6500 models... Obviously some new beancounters once again ordered to cut the costs in the production. It has happened quite a few times in the history of B&O

In all fairness, the 6500 gained two Powerlink sockets and one more input DIN, so there simply wasn't room for more connectors without a major mechanical redesign. The connector bay is packed, the only thing that could go is the mostly useless pre in/out link.

Also, I suppose connectivity with Kikinoko peripherals wasn't a major point for anyone buying a new Beomaster those days, so RCA's simply weren't that important any more / yet. There weren't too many iPods or internet radios around

tournedos:

The connector bay is packed, the only thing that could go is the mostly useless pre in/out link.

The pre in/out is very useful when you own an AV7000! On the other hand, it might just be there to fill a hole in the chassis.....