BEOGRAM 5500 Scraping Sound… Any Ideas?

isthatthebeotime

Bronze

103 posts

Posted July 26, 2022 at 03:13 GMT ? Edited July 26, 2022 at 03:14 GMT

So my BEOGRAM 5500 has started to make a brushing noice once per revolution when about half way into a 12” record but not at all on a 7”, can’t see anything it could be rubbing against… hopefully you can help identify… thank you

Sitting: BeoVision 11-46 on Motorised Floor Stand - BeoLab 11 Wall Mounted - BeoRemote One - BeoCom 5 with Speaker Base Dining: BeoGram 3000 Type 5228 - BeoSound Core - BeoLab 28 - BeoRemote Halo Kitchen: BeoSound 1 - BeoRemote Halo - BeoCom 6000 Bedroom: BeoSound 35 - BeoRemote One - BeoTime Guest Bed: BeoLit 20 Study: BeoSound Core - BeoLab 8000 - BeoCom 5 on Speaker Base Gym: BeoPlay A9 On The Go: BeoPlay H7 - BeoPlay H5 - BeoPlay E8 3.0 - BeoPlay H95 - BeoPlay EX

Mark-sf

Bronze

592 posts

Posted July 26, 2022 at 16:34 GMT

#693124

Check the rear of the tonearm’s clearance with the record edge.

isthatthebeotime

Bronze

103 posts

Posted July 26, 2022 at 16:42 GMT

#693126

All seems fine in that regard, looking at it closely I’m starting to think it’s the platter clearance in some way, only really happens on modern 180g vinyl not the older records that I think are 120/140g so starting to think it could be the suspension, platter isn’t quite 12” and the edge of the record overhangs the surrounding plate

Sitting: BeoVision 11-46 on Motorised Floor Stand - BeoLab 11 Wall Mounted - BeoRemote One - BeoCom 5 with Speaker Base Dining: BeoGram 3000 Type 5228 - BeoSound Core - BeoLab 28 - BeoRemote Halo Kitchen: BeoSound 1 - BeoRemote Halo - BeoCom 6000 Bedroom: BeoSound 35 - BeoRemote One - BeoTime Guest Bed: BeoLit 20 Study: BeoSound Core - BeoLab 8000 - BeoCom 5 on Speaker Base Gym: BeoPlay A9 On The Go: BeoPlay H7 - BeoPlay H5 - BeoPlay E8 3.0 - BeoPlay H95 - BeoPlay EX

Mark-sf

Bronze

592 posts

Posted July 27, 2022 at 05:35 GMT

#693137

The service manual provides clearance specifics so I would adjust to that with your 180g records.

DI

Dillen

BronzeModerator

12821 posts

Posted July 27, 2022 at 15:16 GMT

#693141

180gr records are non-standard. Most decks can be made to play them but, ideally, if you adjust the suspension to suit 180gr records, you should put it back again to play standard records, because the subchassis suspension carries both the record, the platter, electronics and carriage of which the latter shifts the center of gravity of the whole subchassis when moving. In your case I would tighten the suspension just slightly on the left and rear leaf spring. Martin

Mark-sf

Bronze

592 posts

Posted July 27, 2022 at 17:26 GMT

#693146

Unfortunately, there is no industry standard for 12” record weight. They can range from 80-200g. I have never had a problem finding a suspension height that will work with all without bottoming or scrapping. In the end it’s critical that the platter also remain level.

DI

Dillen

BronzeModerator

12821 posts

Posted July 27, 2022 at 19:35 GMT ? Edited July 28, 2022 at 10:27 GMT

#693148

isthatthebeotime

Bronze

103 posts

Posted July 27, 2022 at 20:18 GMT

#693150

Thank you all for replying Login to view image Maybe worth looking into how to adjust the suspension and do you as you suggested Dillen not sure if it’s sitting a tad low, mainly play vinyl that this BEOGRAM would have played when released from the late 80’s early 90’s so not a problem but finding most new releases or reissues are 180g, still not even sure that’s the problem but makes sense due to it only happening with heavier vinyl.
Sitting: BeoVision 11-46 on Motorised Floor Stand - BeoLab 11 Wall Mounted - BeoRemote One - BeoCom 5 with Speaker Base Dining: BeoGram 3000 Type 5228 - BeoSound Core - BeoLab 28 - BeoRemote Halo Kitchen: BeoSound 1 - BeoRemote Halo - BeoCom 6000 Bedroom: BeoSound 35 - BeoRemote One - BeoTime Guest Bed: BeoLit 20 Study: BeoSound Core - BeoLab 8000 - BeoCom 5 on Speaker Base Gym: BeoPlay A9 On The Go: BeoPlay H7 - BeoPlay H5 - BeoPlay E8 3.0 - BeoPlay H95 - BeoPlay EX
DI

Dillen

BronzeModerator

12821 posts

Posted July 27, 2022 at 21:02 GMT

#693151

Well, judging from that photo I'd say the platter rides a bit too low - at least at the left side (facing the camera). Bring it up 1-1,5 mm at the left and perhaps also at the rear leaf spring and let us know how it works out. Actually, a very low platter setting has often caused wow. Reason: A 12" record is a larger diameter than the platter and the wow comes when the record touches the surrounding surface - gradually increasing as the tonearm and carriage move inwards, shifting the center of gravity. First tracks play fine, later tracks not. The solution is to tighten up the suspension a little at the left/rear. Don't overdo. Make sure the subchassis is still able to move freely. Martin
DI

Die_Bogener

Bronze

1477 posts

Posted July 28, 2022 at 09:28 GMT ? Edited July 28, 2022 at 01:24 GMT

#693165

The beograms are very old hardware, they become lower and lower... quite normal, it can be adjusted easily. And a new belt pulls on the left side additionally, lowering the left side of the platter. There are 3 springs on the subframe. You only need a screwdriver and a good eye for adjustments. Just remove the white platter cover and you have access to the springs. It is not necessary to open the deck like on the picture... just to show the springs... Martin No.2 Login to view image

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