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New B&O owner after all these years!

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John Paul Irvine
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John Paul Irvine posted on Wed, Jan 16 2013 11:08 PM

Hi fellow members, I am glad to find an owners' forum as I've just acquired a 70s Bang and Olufsen stereo system which belonged to my aged aunt (still alive but in a home now). It comprises the Beocenter 1800, Beocord 1900 and a pair of Beovox 2702s.

It's mainly in good nick and probably not had extensive use over the years, but there are some issues I'd like to highlight:

1. Beocord has 3 buttons/switches (REC, STOP/EJECT, PLAY) that are broken and no longer fixed to the metal bar they were once attached to. Are there likely to be replacements for these anywhere?

2. Beocenter record deck is in good shape but I'm wondering about the option to replace the cartridge (MMC 20S), though it may still have plenty of life in it (I"m going to get t checked over soon).

3. Beovox 2702 speakers - what are the 3 black plastic things on the back for? Is the only access via removing the glued front grill? (I'd like to replace the speaker cable and check the drive units).

Well, if anyone can offer any suggestions I'd much appreciate it.

Funny, but I used to see these systems back in the 70s, 80s and thought they were a bit pretentious, but now I appreciate the vintage styling and Danish engineering! I've finally arrived...?

Cheers

Jonpol

 

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John Paul Irvine
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Well, over 300 views and not one reply - how disappointing! I've figured the answers out myself, thanks. Perhaps I was expecting more of a welcome...

Peter
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Peter replied on Sat, Jan 19 2013 12:56 PM

Sorry not answered before - have a few things on the go and a dodgy internet due to snow! Interesting collection - the BC1800 was a popular member of the audio class in the 70s - will take any of the MMC20 or MMCX000 cartridges - the 20S goes nicely being black as is the 20E which is a very slight upgrade. You can get all these retipped by Axel - very reasonable rates.

The holes in the back of the 2702s are for mounting purposes - usually wall mounting. The Beocord 1900 is really rather good - it really belongs to the slightly later models and offers excellent performance - you may need new belts which Dillen can provide.

The paucity of response will be down to the fact that this is a less common system these days - when we first started Beoworld, much of the traffic was related to equipment like this - these days it is almost all modern equipment. You will probably get more response in the vintage section where the old fogies hang out like Martin (Dillen) and me!!Smile I did have and 1800 and beocord 1900 in the past - major problem on the 1800 in my experience was the lid!!

 

Peter

John Paul Irvine
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Thanks very much Peter for your kind and detailed response. I wasn't really that upset, just being impatient! I've got a re-foaming kit coming for the speakers (existing woofer surrounds completely disintegrated!) and I guess i need to look for someone breaking an old 1900 to get the transport switches replaced. I'll keep in mind the re-tipping option, though not desperately in need of it yet. Where is Axel based? I'm in the UK, but I guess posting the cartridge would be easy enough.

 

 

tournedos
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Jonpol:
Where is Axel based? I'm in the UK, but I guess posting the cartridge would be easy enough.

He's in Germany, but it really is not difficult - I can heartily recommend his services!

Recent thread on the subject here

--mika

John Paul Irvine
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Thanks - how do I contact him?

Steffen
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Hi there.

His website is:

http://www.schallplattennadeln.de/

 

Søren Mexico
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Beocord buttons, check if they are repairable, if not ask Dillen (Martin), he may have something in his dungeon. He can also provide belts for most B&O

Speakers, pry of the front grills carefully with a spatula, then you get to the drivers, taking out the drivers they may sit like glued, but pry with a wide blades screw driver, carefully all way around. Then you can, after taking out the nasty felt stuff, get to the crossovers and the cable.

I made new grills for my 3702 here I used hook and loop pads to fasten them again.

I also recommend Axel for pickups, and if Martin cant provide belt, then try Axel, he provided a belt for my BG 1202

Collecting Vintage B&O is not a hobby, its a lifestyle.

John Paul Irvine
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All very helpful and much appreciated! I don't think my transport buttons are easily repairable, so would be interested in contacting Dillen/Martin to see if he has some spares knocking about - how do I contact him?

 

As for my speakers, they were sounding reasonably OK until I put some bass-heavy material through them and they started to make a funny 'quacking' sound. I then read about 'foam-rot' and decided to open my 2702s up to have a look (grills came off easily enough). The surround to the woofers had completely disintegrated on both speakers, though they still seem to work OK at lower volumes. What benefit can I expect to get from renewing the foam surrounds, as I plan to? More and better bass? Just wondering.

John Paul Irvine
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Aberdeenshire, Scotland
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All very helpful and much appreciated! I don't think my transport buttons are easily repairable, so would be interested in contacting Dillen/Martin to see if he has some spares knocking about - how do I contact him?

 

As for my speakers, they were sounding reasonably OK until I put some bass-heavy material through them and they started to make a funny 'quacking' sound. I then read about 'foam-rot' and decided to open my 2702s up to have a look (grills came off easily enough). The surround to the woofers had completely disintegrated on both speakers, though they still seem to work OK at lower volumes. What benefit can I expect to get from renewing the foam surrounds, as I plan to? More and better bass? Just wondering.

Peter
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Peter replied on Sun, Jan 20 2013 10:47 PM

If the foam disintegrates, then the coil will start rubbing and you will eventually short out the driver. The sound will obviously be better at loud volumes - the 2702s are probably sealed box - which they are clearly not at present!! Smile

Peter

John Paul Irvine
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Thanks Peter. Great forum, by the way!Smile

Søren Mexico
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Forgot to wish you welcome to the forum, herewith done, for Dillen or nearly all your questions try the search functions, here is Dillen

You will need to refoam the drivers, and then they will be as good as new, dont use them until done, you may damage the coils.

Doing speakers works, I normally change the capacitors in the crossovers when the speakers are open anyway. DillenLaughing

Collecting Vintage B&O is not a hobby, its a lifestyle.

John Paul Irvine
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Thanks Dillen for the welcome - nice to meet all you guys!

Oh dear, I have been using my speakers and hope it's not too late! How will I know if the coils are damaged? Are the capacitors really worth changing? Are they off-the-shelf items? Ah, questions, questions... Smile

Søren Mexico
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Your coils are probably OK, as the drivers works, the scratching sound you hear when putting on volume and bass is the voice coil  scraping against the magnet, the surround keep it centered and parallel.

Caps can be found on the web, electrolytic caps dries out with the years and will fail sooner or later, I have tried with expensive film caps but never heard any difference, search the web for bipolar electrolytic caps.

BTW (By The Way) I´m not Dillen, look to the left of my answers there you find my forum name and avatar, you can add an avatar in you profile, and at the same time update your profile with what you like to be known about you, at least country, it will then be easier for us to give relevant answers.

For gold and silver members there are manuals onsite for most vintage B&O

But contact Dillen with your spare needs, his parts are tested, are the right ones, comes with guarantee and instructions how too.

Collecting Vintage B&O is not a hobby, its a lifestyle.

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