I have had 4 Delphis. II.5 and II.7 with the GROOVE ISOLATION w/ clamp & space-washer were the best hands down in audio quality. Because it´s the best record clamping system there can be. Platter + GI + record become one unit. Never liked the hard mat nor the stiffer suspension of IV, nearly impossible to fine tune the otherwise great suspension and sounded just awful. The get the best out of an Oracle its suspension must be in perfect balance. No exceptions. The micro detail sound is very hard to beat, for any deck.
Using Reso-Mat on the original GI mat is another thing. And you can use the original clamp as a weight. It even sounds very very good :) IMHO
Haven´t had static issues with Reso-Mat either.
Using Reso-Mat on the original GI mat is another thing. And you can use the original clamp as a weight. It even sounds very very good :) IMHO
Haven´t had static issues with Reso-Mat either.