static/popping even when not playing

8 replies
hemiceni
Offline
hemiceni
Bronze
Posted November 27, 2022 at 09:26 GMT
#1641565
Hi I'm new here but also new to B&O products. I have just bought myself a Beogram 1700 which played perfectly at first but after only a couple of days it has developed this problem.

I get a popping and static noise even with the tone arm lifted. It seems to happen when the turntable moves in its suspension. Only the stillest environment will be free of the noise. Even the tone arm lifting and returning will cause enough movement to hear some popping noise.

Sadly I did have it shipped to me and the sender did not take very good shipping precautions. The transit screws were not engaged and the metal platter was still in place. He did "try" to tape the tonearm down but the cartridge was left in and unprotected.

I'm not sure this one is going to be a DIY fix but I would appreciate any suggestions,

Thanks
DI
Offline
Dillen
BronzeModeratorFounder
Posted November 27, 2022 at 10:27 GMT
#1651055
Check the muting switch.

Martin
Mark-sf
Offline
Mark-sf
Bronze
Posted November 27, 2022 at 18:48 GMT
#1651073
In addition to the muting switch, you may have a DC offset issue with your phono section. Is the piping only in one channel or both?
hemiceni
Offline
hemiceni
Bronze
Posted November 29, 2022 at 09:42 GMT
#1651114
Thanks for your replies, it is much apprecitated.

The popping is in both channels. It is only since getting this turntable that I am for the first time using the phono input on my amp, so it wouldn't entirely surprise me if the problem lies there either.

I just assumed that it was the turntable because the noise is directly corrolating to physical movement around the turntable.

I also beleive the same noise is happening while a record is playing. - would this make it less likely to be the muting switch?
Mark-sf
Offline
Mark-sf
Bronze
Posted November 29, 2022 at 19:09 GMT
#1651145
What do you mean by “physical movement around the turntable”?
hemiceni
Offline
hemiceni
Bronze
Posted November 29, 2022 at 21:57 GMT
#1651152
If i lift the lid of turntable, it will do it. If someone walks past, it will do it. (I have wooden floors). Any sort of movement will set it off. It then takes a while to settle and stop as the suspension becomes still again.
pepps
Offline
pepps
GoldModerator
Posted November 29, 2022 at 22:37 GMT
#1651156
Hi Hemiceni,

A rather crude way to try and suss out the problem would be to gently try to replicate the static/popping noise yourself. Very gently touch the tone arm, the platter, the cable connecting the deck to your amp, the connection points at both deck and amp ends, etc.
If you can recreate the interference in a controlled manner you'll be closer to understanding what the problem might be, but you may also be able to rule out what is not.

Do check that the surface the deck is sat on is level and all the Beogram's rubber feet are intact and protecting the deck from 'flat surface to flat surface' contact.

Julian

 

Location: Kent, UK

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IS
Offline
Ismo
Bronze
Posted December 1, 2022 at 09:41 GMT
Edited December 1, 2022 at 09:42 GMT
#1651195
Sounds really sensitive problem. Maybe some grounding issue in cables, platter adjustment. I would check mechanically first, like Pepps above mentioned. Is the amp same series as the 1700 i.e. compatible. If it is generating static electricity when platter moves, maybe try to put your hand on metal part of player...any effect. You create discharge route with your body. But first I would open it up and check any physical issues.
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