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Brass screw tweak, seen in Virtual Dynamics video.

I am curious if anyone has seen and tried the brass screw tweak as seen in the Virtual Dynamics "Oddiophile" videos?
In particular, I am interested in the brass metric machine screw with the insert. Sounds rather interesting. Could anyone offer any insight or relay experience? Are any manufacturers using this tweak?
The address is below. Episode one is the first tweak, episode number six is the advanced version, the one I am most interested in.
Thanks.

https://www.virtualdynamics.ca/oddiophile-episodes/
fotis_k
theaudiotweak
2,778 posts
 
Swapping brass for steel especially around tweeter domes and the mounting frames is very obvious. Same can be said for mounting hardware around the crossover and circuit boards. Tom
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0thd
22 posts
 
I wonder how fantastic your system has to be for you to notice the difference using this tweak.

I would love to see the previous points raised debated.
johnk's avatar
johnk
1,973 posts
 
Kirkus I got the same from the video only reason I tried was customers keep asking about it. Like I said I could not hear or measure any difference.
shadorne's avatar
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shadorne
7,467 posts
 
I wonder how fantastic your system has to be for you to notice the difference using this tweak.

Definitely important on mounting air core inductors where screws are close to the coil.

I have my doubts whether a tweeter would be affected audibly from the screws on the front mounting plate. I guess you never know.
aptquark
99 posts
 
I used "brass" screws instead of the oh so typical steel bolts that we are all so accustomed to seeing on Mrs Frankensteins neck, on my wife...and I must admit, her shrieks were almost tolerable. NOW THATS A TWEAK!!!
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