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Connection Beogram 4000 to Beomaster 7000

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Manbearpig
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Manbearpig Posted: Sat, Dec 7 2013 8:37 AM

Dear members,

is it possible to connect a Beogram 4000 to a Beomaster 7000? If so, how? On a different note, can the Beogram 4000 be wall mounted?

Finally: I've seen in videos that when there's no record on the player and one pushes play, then the tonearm should move all the way to the middle and then automatically back again. In my case it moves all the way to the middle and stops there. Only if I turn the player off does the tonearm automatically move back again. Is this a fault? If so, which one?

Thanks very much!

Rgds,

Kai

Dave Farr
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You can use the Beogram 4000 with the Beomaster 7000, but, only if either the 7000 has the phono RIAA module fitted or you use a seperate phone RIAA pre-amp as many users do.

The Beogram 4000 is not designed to operate vertically on a wall.

Why would you want to press 'play' without a record on the deck?  If it operates fine with a record on it then leave it alone for now until you actually have a real problem or have it service - when the reason for this 'fault' may become obvious.

Dave.

Andrew
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Andrew replied on Sun, Dec 8 2013 5:46 AM

Yes it is a fault causing the arm not to return, there are contacts which tell the arm which position it is in and when to return, they are dirty or broken, worth taking the covers off to have a look.

Drew

Manbearpig
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Thanks very much. It's working perfectly. Only problem is the returning of the arm. I'll probably have that fixed. The whole deck seems so simple when it works but apparently many things can be defective. However, it's in very nice cosmetical condition so well worth it, I guess. What do these sell for in 100% working order and near mint condition by the way? I have no idea.

I'm using the Beosystem 7000 through an Avant and have only active speakers linked to it. I've always thought that if using active speakers, then the Beomaster more or less serves as a pre amp. But I still do need module, don't I? If so, where can I get one from and does it affect the sound quality?

Also: if connecting it to the Beomaster 7000, do I have to use the Phono Out or can I also use - let's say Tape 2?

I didn't want to place the Beogram 4000 vertically on a wall. I wanted to do that horizontally and have seen that STP brackets has a wall mounting option for most Beograms, but since the 4000 is significantly larger in size, it will probably not fit the 4000. Only reason I want to place it on the wall is that this way, I do not need another piece of furniture. However, if no standardized solution exists, I'll find another one.

Thanks very much!

Rgds,

Kai

 

Dave Farr
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Dave Farr replied on Sun, Dec 8 2013 10:21 AM

OK Kai,

some people have asked previously about vertical hanging of the BG 4000, that's why I mentioned it.  A strong shelf of your selection is easy but the BG 4000 is quite heavy so needs to be substantial.

A fully restored BG 4000 (sold by a Beoworld member recently) sold for an exceptional 2500 USD. Search Beoworld for 'World record price for BG 4000'. http://archivedforum2.beoworld.org/forums/t/8396.aspx  However, that's stratospheric and good examples can be bought for 200-400 EUR depending on market and availability.

The RIAA module for the BM 7000 is rare to find (though again, I think a member has been trying to sell one in the 'for sale' section recently)  and one was on eBay a few weeks ago that didn't sell.  You can just by a stand alone RIAA phono pre-amp from 'Lifestyle AV', Steve at 'Sounds Heavenly' or anywhere else you like.

Dave.

Peter
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I have used a wall bracket for a variety of turntables - the 4000 doesn't need such a sturdy one as the sprung sub chassis is immensely effective but it doesn't do any harm!!

Peter

Orava
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Orava replied on Sun, Dec 8 2013 5:03 PM

Dave Farr:

 

The Beogram 4000 is not designed to operate vertically on a wall.

 

So, this is not for real...

 blah-blah and photographs as needed

Dave Farr
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It's a nice advert but I'm not sure how you could set the cartridge weighting without gravity!  There are other decks designed to operate vertically but I don't think I've come across any B&O 4000 types that will properly.  Not sure what would keep the record from falling off either!

Dave.

Peter
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Peter replied on Sun, Dec 8 2013 10:52 PM

I think that is from the old time tunnel at Struer. Showing off the design really. I have heard the Beogram 1000 will play vertically, though you have to stick the record in place!! Never tried it or seen it done though!!

Peter

Manbearpig
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I've ordered the RIAA for the Beomaster 7000 now. Looks like a good solution. Not sure how well the Beogram works together with the newer components though. However, the older ones will probably be in need of an overhaul anyway.

My Beogram 4000 is only running on 240V. However, this does work perfetly. Any idea why that is? Shouldn't it also work with 220V or 230V?

Rgds,

Kai

tournedos
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tournedos replied on Mon, Dec 9 2013 11:42 AM

Manbearpig:
My Beogram 4000 is only running on 240V. However, this does work perfetly. Any idea why that is? Shouldn't it also work with 220V or 230V?

Leave it that way. The nominal AC voltage in Europe is 230V now (although it can vary quite a bit depending on local wiring and load), and the Beogram will be much happier running at 5% undervoltage than similar overvoltage.

--mika

Manbearpig
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Ok. It's working like that anyway. What do you mean by undervoltage and overvoltage? Sorry for asking but it wasn't 100% clear to me. Does undervoltage mean that it gets too low a voltage or does it mean that it doesn't need to use the entire voltage it gets?

Finally, the aluminum strip is starting to get loose at one edge. Can one reglue it using e.g. superglue?

Rgds,

Kai

tournedos
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tournedos replied on Thu, Dec 12 2013 3:54 PM

I mean that when you have it set to 240V but the mains voltage is only 230V, the actual power supply circuitry after the transformer will receive about 5% less voltage. It will still work fine, but generates less heat.

EDIT: I read your earlier post again. Did you mean that it doesn't run at all when set to 220? That would probably be a contact problem at the voltage selector. I would still leave it alone, as fixing that wouldn't gain you anything, it's better to use the 240V setting anyway.

A drop of superglue should be fine. Apply it with the toothpick so that the glue tube won't burst its contents all over your lid, as they like to do...

--mika

Manbearpig
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Thanks very much Mika. i could tell you stories about my two Beogram 4000s. I'm currently working on both. The good thing is, however, that both are working and nothing serious seems to be wrong with them - except for a broken cartridge holder on the tonearm on one of them. So, I'd be in the hunt for a replacement tonearm, which will probably be awfully hard to find.

However, what I have figured so far is that many problems can be solved by simply cleaning the decks thoroughly and running them (they apparently haven't been run for a long period of time). For example, one example used to lower the tonearm at varying points without a record on the deck. After cleaning the inner lamp and the mirror, everything worked perfectly again. Cleaning the shaft of the motor + running it reduced it's noise significantly. Hopefully, cleaning the sensors under the carrier will make it reverse automatically again.

Yes, one example doesn't run at all when set to 220V. However, it does work perfectly when set to 240V. I'll try the superglue but superglue is always a big mess to handle and usually after using it a couple of time you throw it away anyway since the opeining of the bottly is sealed with dry superglue. Or is it just me encountering that problem...

Rgds,

Kai

Dave Farr
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Dave Farr replied on Thu, Dec 12 2013 8:53 PM

I don't know the transferability between BG 4000, 4002 and 4004 but these are available:

http://www.ebay.co.uk/itm/B-O-BANG-OLUFSEN-4002-Tonearms-/161171739870?pt=US_Record_Player_Turntable_Parts&hash=item25869594de

Dave.

Manbearpig
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Thanks very much! But I guess they are different, I'm afraid. You can of course use them on a 4000 as well but then it's not original any more. Or am I wrong here?

I've now managed to get the back signal working again. As has been pointed out it was one of the sensors which wasn't pushed in by the bent metal piece at the bottom of the cart (the metal piece slid sideways slightly aside of it not pushing it properly down all the way). I adjusted the cart a little and it was all working again.

However, now I have the problem that the light sensor doesn't react as it should. It's giving a signal to lower the tonearm even when there's no record on the plate. I've also had that problem with another Beogram 4000. In that case cleaning lamps and mirrors solved it. However, this time, the cleaning procedure didn't work. Do you know what can cause the tonearm to lower to early also with no record on the plate? Has to be something minor because it worked prior to my adjustments and now, sometimes the cart goes a little further before lowering the arm, sometimes it lowers the arm right at the beginning and sometimes it works as it should. What could this be?

Thanks so much.

Rgds,

Kai

Søren Hammer
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Manbearpig:

I've ordered the RIAA for the Beomaster 7000 now. Looks like a good solution. Not sure how well the Beogram works together with the newer components though. However, the older ones will probably be in need of an overhaul anyway.

I once had a setup with a Beogram 4002, a Beosystem 5500 and a pair of Beovox S75 speakers. Really my first serious record playing rig and it was neat. Sold off the Beomaster 5500 and gave the 4002 to my younger cousin to get into vinyl, and moved on to a Beomaster 6000 / Beogram 8002 combo and then a Beomaster 8000 and Beocord 9000 showed up. Both of my Beogram 4000's are enjoying use with Beomaster 4400's I restorated a couple of years ago (one is at my Uncle, the other back home with my parents.)

Vinyl records, cassettes, open reel, valve amplifiers and film photography.

Orava
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Orava replied on Sun, Dec 15 2013 10:54 AM

Dave Farr:

It's a nice advert but I'm not sure how you could set the cartridge weighting without gravity!  There are other decks designed to operate vertically but I don't think I've come across any B&O 4000 types that will properly.  Not sure what would keep the record from falling off either!

Dave.

Mitsu has done it, tough it wont work on flat...

It has couterweight on top of arm, so gravity can be used to set cartridge weight...

....just off topic curiosity...

 blah-blah and photographs as needed

Dave Farr
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Dave Farr replied on Sun, Dec 15 2013 1:33 PM

Yes,

other manufacturers have made vertical decks but the original poster was asking about his BG 4000 which is what my comments were about.  Clearly, a deck designed to operate vertically has to have a special clamping device for the vinyl and a correctly designed system for setting the cartridge weight.

This is exactly why the BG 4000 will not operate vertically.

Dave.

Orava
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Orava replied on Sun, Dec 15 2013 7:50 PM

Oh, yes. Sorry if I seem to ignore your argument about others, did not meant. IIf I remember Sharp did make thing that even played both sides at once.

 blah-blah and photographs as needed

Dillen
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Dillen replied on Sun, Dec 15 2013 8:17 PM

Peter:

I think that is from the old time tunnel at Struer. Showing off the design really. I have heard the Beogram 1000 will play vertically, though you have to stick the record in place!! Never tried it or seen it done though!!

http://www.youtube.com/watch?v=gyYC5I9y2bk

Martin

Søren Hammer
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Dillen:

Peter:

I think that is from the old time tunnel at Struer. Showing off the design really. I have heard the Beogram 1000 will play vertically, though you have to stick the record in place!! Never tried it or seen it done though!!

 

http://www.youtube.com/watch?v=gyYC5I9y2bk

Martin

I need to get a Beogram 1000 just to hang it on the wall....

Vinyl records, cassettes, open reel, valve amplifiers and film photography.

Orava
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Orava replied on Mon, Dec 16 2013 7:59 AM

That mitsu i'm working with did make me wonder what would Beo look like if they make vertical Beogram/center/sound...

 blah-blah and photographs as needed

Menahem Yachad
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You cannot interchange the tonarms between the 4000 and 4002, unless you have a very good metals workshop for adjusting the aluminum cutouts to make the 4002 arm fit on the 4000.

My much simpler solution for replacing broken plastic cartridge holders - very common - is to get hold of a scrap BG1100, 1900, or any of the same generation radial TT's, and remove their plastic part. Minimal filing down is needed to make it fit in a 4000 tonarm. Then drill a tiny hole in the bottom of the 4000 tonarm and countersink it, to accept the screw which holds the plastic part in place.

Solder on 4 new 28-gauge wires - don't try to save the existing wiring.

Because of the change in tonarm weight, you will need to re-calibrate the zero balance.

Menahem

Menahem Yachad
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Duplicate post by mistake - Moderator delete.

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