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Turntable rumbling

Hello Friends, merry xmas
I have at the moment, a Michell Tecodeck turntable, with a Garrot Bros updated P77 cardridge, I have bought new speakers and amp, Redgum amp, with phono stage, and Usher speakers, I have enjoy the "Break in Stage" of all equipment, as It was so much better, but after approx 50 hours use, all of a sudden the LP,s, have a bass boom, at the start of the LP, and any warped LPs is un playable, I took out the styls, from the cartridge, and seems OK.
All My LP's are mimt no clics and pops!!
The last time I played the LP's was on a Well Tempered Classic, an I had no promblem.
I have set the cartridge, on the correct weight, well the Sure was 1gm out compare to the digital, friends I'm geting upset not good after a heart attack!!
Can someone put me on the right track, as I have just got back into Hi Fi, Where I live down here, on the South Coast of Australia, there is no shop, that deals with Hi-Fi, to get any assistance I have to drive 4 Hours to Sydmey!!
Kindest Regards
David Spry
daveyonthecoast

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daveyonthecoast OP
40 posts
 
Hello Friends
Hoping your Xmas, was good to you!!
My Turntable has no "ground connection", I have been playing my LP's loud latley as Mum has been away!!, this is where I notice the low rumble, from my LP,s.
I have bought a lot of Lps from Americia, with are new and sealed!!, A lot of them are warped, However I had a few in the same codition, when using my Old Well Tempered Classic, as it was a long time ago, I dont rember, the low down rumble!!
I have tried all of the above, including the hot temp and humity at this time of year!!
My cartridge is Garrott Bros P77 update "I think this maybe the promblem??"
I look foward to your advice
Happy New Year
David
If some one
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