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What do defective phono tubes sound like?

I have noticed some rather loud energy discharges when playing LP's.Sort of an abrupt popping.Not unlike static discharge.I do not get this with my digital playback.
The ONLY change made to my system lately has been a new arm.The problem began immediately "after" it's installation.It was just fine with the previous arm.

I don't want to make this an "arm" mfgr thing(and will not mention arm name)but wonder if the phono tubes in use(very NOS Siemens CCa's,with low hours)can be the culprit.

This is making me pull my hair out,and I have little already.
Any thoughts would be appreciated.
sirspeedy
sirspeedy OP
738 posts
 
Atmosphere thanks So much for the advice.

Audiofeil,you expose yourself again,as a total jerk,but I've been aware of that for some time.Thanks for the kind words anyway.

Best
jloveys
226 posts
 
Static discharge ! Thanks for your intervention, Atmasphere. I grounded the turntable to arm, separated the phonopreamp from turntable,check tonearm grounding and no more "pops". It wasn't the fridge! Are those static discharges harmful to cartridge coils or any components of the system?
sirspeedy OP
738 posts
 
Btw,getting a "new" arm and "new" arm cable...that shoud put an end to it...whew!
Best to "almost everyone"! -:)
atmasphere's avatar
atmasphere
7,068 posts
 
Jloveys, the static discharge was likely not been 'seen' by the cartridge. Its often a discharge between the ungrounded arm and the turntable. So no worries!
jloveys
226 posts
 
My Allaerts Finish Gold just asked me to send you a big Atmokisss !!!!!!
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