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Turntable issue

I haven't had much luck finding an answer to this question so hopefully it's not something that's been asked a thousand times.

Yesterday I turn my preamp on, place a record on the player and I can hear every touch of the tonearm I make. It clicks when lifting it out of its resting position and when I screw or unscrew the record clamp this at is also very audible through my speakers. Also I'm now hearing a hum that was never present before.

I understand that the cartridge picks up vibrations and turns them to sound but this has never been something that was clearly audible before. I'v never heard siuns coming from my speakers when screwing the clamp on our off.

Thanks for any responses.

MMF 5.1SE
Project Tube Box S
jsouth72
jsouth72 OP
7 posts
 
Swapped the tubes out with a pair of reissued Mullards. Anyways mostly everything has gone away. When I tap the player I no longer hear it through my speaker, I cant hear the clamp being screwed...very slight hum when nothing is playing but only if I turn the volume up high.

Thanks again for all your help
mofimadness's avatar
mofimadness
5,220 posts
 
"very slight hum when nothing is playing but only if I turn the volume up high."

That's normal tube rush. Glad you solved the problem.
czarivey
5,946 posts
 
Now you are down to following suspects:
1. tubes
2. cartridge
lewm
13,418 posts
 
Czarivey, Wouldn't you agree that the problem related to transduction of sounds into the speakers was shown to be a microphonic tube or tubes? Hum and noise are other bugaboos, but if the OP is now happy, then I would guess the hum and noise are minor issues, relatively.
czarivey
5,946 posts
 
I would agree after I test the 'suspects'. swapping tubes or cleaning sockets inside the box or swapping cartridge. Not too many unknown left so far...
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