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RE: Nevr-Dull

Posted by bob_ (A) on June 29, 2020 at 12:01:16

In Reply to: Nevr-Dull posted by Jonesy on June 28, 2020 at 11:54:43:

Thank you for clarifying this and all the advices. Much appreciate it. I believe I can even get the exact same product here (see the image).
I need to take the shot and try because I was slowly loosing hope to determine whether to return the tube to the seller or not (and frankly said it would be a loss since they sound incredible in my system). After hours of testing and gently moving the tube when I first heard the whistle I was convinced it is totally random and must the some kind of internal flaw of the particular tube (as erik's case it goes from left to right when swapping the tube between channels)and I could not distinguish any clear differences in pin shape or diameter. I also tried to bend the pins slightly outwards - did not help. Would be also strange that this is some kind of bad contact between the tube pin (or pins) and the socket since it happens only with this one particular tube.

But finally, yesterday I started to push the tube firmly but slowly with a kind of circling movement (or maybe tilt it to a side better said) when squeaks appeared and it went away the very next second... Unfortunately it comes back right after few seconds more, but again giving a little bit of pressure when titling the tube solved the problem temporarily.. Not sure if this is only a coincidence but gives a little bit of hope that there must be something wrong with pins only and not the tube itself... We'll see...
erik - how about you? did you solve your case once for all?

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