My Titan 425 sits on some packaging foam sheets. The foam is between the
front supporting bail and the desk top, and also between the rear fee
and the desk top. That makes a huge reduction in the vibration
transferred into the desk, and overall less noise in the shack. Someday
I'll replace the grommets that are supposed to isolate the vibration
from the chassis. If those grommets are as hard as the ones I removed
from the vacuum relay mounting, new ones will make an improvement. I
wonder if there is a way to get the squirrel cage precision balanced? It
seems like the noise is mostly from vibration due to imbalance, and the
air flow noise is not the problem.
DE N6KB
> Are there any proven approaches to quieting down the fan noise on the
> TT 425 Titan amp? Slow speed is tolerable (but not great), but High speed
> just causes lots of "rattling" noise.
>
>
>
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