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Any experience with Copper Mat on Raven One

Hi Musiclovers!
Considering big brother AC having copper layer in its platter I´m curios how it would sound on a Raven.
I know it`s not a fair comparison with just a copper mat on top because AC platter has more of other material than copper/delrin.
Obviously there are more technical calculations and know- how brought into producing. But still, could sound improve?
I should direct this question to Thomas Wosnick himself, maybe they have tested already or even used same type of AC platter (obviously modified to suit) on Raven.
Hmmmm....
clabe
clabe OP
101 posts
 
Hi!
Just got the Copper Mat, my immediate impression is similar to Islandmandan. Better clarity and bass slightly more distinct. I don´t think mat has affected speed stability. From what I know Papst motor is very strong (in general) and the belt is sturdy and won´t be affected by extra weight, on the contrary.
Bear in mind, this is my personal opinion.

I´ll be back after some more extensive listening if there is anything else to ad to copper mat.

Happy Listening!
Ag insider logo xs@2x
islandmandan
1,260 posts
 
One other thing the copper mat makes possible is to fasten a ground wire from the bottom of the bearing assembly to ground on phono pre. Used Mapleshade Silclear on spindle to enhance connection between it and copper mat. Can't say it made much difference, but it's doable, so I did it. Just food for thought.

Enjoy,
Dan
clabe OP
101 posts
 
Hi music lovers!
I´ve had the copper mat for some weeks and think I got a good idea of the sound. Immediately after putting copper mat on platter I noticed a more clearer sound over whole spektra and it still remains. Bass more distinct/firm, mids and highs clearer with more details.
Speed stability I can´t notice much difference, maybe on less advanced system there could be an improvement due to inertia of gravity (it´s more difficult to affect a heavier platter once it´s turning)
I´m satisfied and think it´s a cheap way of upgrading.
Besides, it looks more pleasant and the mat is tightly stuck on to the platter spindle with zero tolerance.
For 250 bucks it´s definitely worth a try, I got it for 139 bucks via auction on audiogon.

Many Thanks!
clabe OP
101 posts
 
Hi again!
Trying copper mat with and without weight (the one that belongs to millenium mat) I prefer without.
Used to have problems with static discharge that sometimes could trigger relay in my preamp and no sound. I had to switch channel and back to get sound, bit of a PITA. Haven´t experienced after using copper mat (yet).
Due to it´s weight and close tolerances there´s no chance
mat will slide. It sits perfecly tight on Ravens One platter.
Definitely worth a try!

Many Thanks!

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