295mm for most tables 292mm for a drop in on a linn lp12 platter and 285mm for technics sp12s.
Sds platter mat.
Felt slip mat many turntables ship with thin felt platter mats as standard.
I shot an email off to les.
Paul rigby reviews the soundeck pm produced as a development of the sounddampedsteel isoplatmat this new variation arrives in two flavours.
On the one hand they offer a safe soft surface to protect against scuffs and scratches but on the other hand felt mats are a magnet for dust lint and static.
The photos show an isoplatmat and also a soft isocover.
While i sighted across the surface of the mat linda pressed down near the center of the mat repetitively.
Sept 2020 we are 100 open.
First up is the platter mat soundeck pm.
The standard 295mm diameter model and the 285mm version for those turntables with a lip on the perimeter.
There was a small but visible deflection indicating the mat was not making full contact with the surface of the platter but rather was supported by the outer rim.
Helping to control and focus sound frequencies a player mat can be of use for many turntables.
Browse our platter mat selection for your turntable or record player to protect your records.
A turntable mat made from steel might sound counterproductive.
The center hole diameter is 7 9mm and it is perfectly centered on this precisely machined disc.
Sds on the other hand is different.
After all most metal platters are known for their problematic resonance.
Soundeck pm platter mat hi fi choice mar 29 2019 sound damped steel sds developed by british steel in the nineties is based on the principles of constrained layer damping and soundeck md les thompson has realised the considerable sonic benefits it can bring to hi fi.
Fear not that the painted surface will damage your precious lps.
The 2 2mm thick mat is available in three sizes.
The sds sonphonon aluminium converts vibrational energy into negligible amounts of heat which lets your needle process the information in the grooves without interference from feedback and rumble.
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In this case two plates of metal 1 5mm of steel and 1 00mm of aluminium are bonded together with a polymer.