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Anyone ever use the Goldmund Reference Mat ?

Someone left one of these at my house.I know usually they just leave their sunglasses or car keys.Sometimes they just leave(Hooray).Anyway,the mat is about 5/16" thick made of carbon fiber acrylic.It is coupled to the platter with an audioquest sticky sorbothane sub mat.I put it on my Oracle Mark II,Magnepan Unipivot,Ortofon kontrapunkt,into Music Reference,Audio Research,Music Reference and finally to Acoustat 2+2.Certainly added detail.I played "Stagefright" by The Band which seemed a bit muddy to me last time I spun it.Clean and more focused now.Then i played"Nightwings" by Bucky Pizzarelli w/ Joe Venuti.This is a mid 70s flying Dutchman LP.A duet of Bucky on 7 string Electric and Venuti on Violin of course.Initial impression is very favorable to me.I had to raise the arm,but the Unipivot has VTA on the fly so no problem.The only problem is that the mat is so tall that the record is at very top of spindle where Oracle has threading which is of smaller diameter than spindle.Record needs to be centered visually.I'm working on adapting a spindle from junk turntable to heighten spindle .shouldn't be too difficult.Imagine I'll need to recalculate downforce with added heighth as well.Need to spin personal reference LPs to get bigger picture,but seems to have possibilities.
casey33
nkj
130 posts
 
I've used one of these on my Oracle (now a Mk V) for about 20years. It's Goldmund Relief Mat made of Metacrylate. It does in fact have a concave "relief" to it for the label area and its impedance is supposed to match that of viynl.

I tossed the sticky original Oracle mat when I bought it. It was quite a cult item at the time amongst our audio group. It certainly makes for a less muddy more accurate presentation.. probably one of the best mats I have tried (I started with Platter Matter, thats how long I've been in this game!) In fact, the use of the Goldmund mat on the Oracle is now vindicated as Oracle themselves have ditched the sticky mat for a hard mat like just like the Goldmund relief mat.

Nkj
nkj
130 posts
 
Btw,

Forgot to mention Nsgarch is right. The Goldmund mat was not intended to couple via the sorborothane mat. The Goldmund mat originally had a paper backing that peeled off to reveal a sticky surface that was then applied to the platter. If the sticky back surface is now gone you could use some 3M spray glue to apply it directly to the Oracle. A hair dryer or low setting on a heat gun could be used if you ever wanted to remove it.

Nkj
casey33 OP
260 posts
 
I definitely agree with nkj"less muddy more accurate presentation".I used a few evenly spaced pieces of double sided tape.Listened to a Japanese press of Glenn Gould Bach,Starker on Everest Romantic Cello Music of Spain,Rollins Analogue Productions "Way Out West" I think the big improvement is more accuracy in the bass.Thanks peoples.
djeickme75
8 posts
 
I just got a Oracle Delphi Mark IV off of Ebay a few weeks ago. Much to my surprise (well after the surprise of bent suspension pillars) was a non-stock mat. When I took a closer look, it turned out to be a Goldmund. I also have an old Oracle rubber mat from my Oracle Alexandria. Haven't had a chance to hear the Delphi with either mat yet as I am now waiting for new pillars from Oracle. Perhaps I will post a comparision once I get the table up and running. I concur with the previous post, that it is quite interesting that Oracle has now switched current production to a mat that is at least superficially similar to the Goldmund.
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