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Re: Isolation device/s for tube preamp

I read in the DIY Tube archive (I think) that 60% of tube microphonics can be attributed to the socket and the rest to the chassis and the air. I would try to isolate the socket from the chassis. I use "O rings" for tube dampning...$1.30 for 10.

You could try to dampen the chassis with Dynamat etc. I think you preamp will sound a bit like what ever it is setting on...if you don't want your sound colored, set it on something that is ascousticly dead. My favorite is 3cm thick soapstone.

Visit a toy store...look for some squishy balls to use a isolation feet.


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  • Re: Isolation device/s for tube preamp - Uncle Clyde 10:55:27 02/26/04 (1)


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