The Problem
Using Mid Mics and binaural panning in order to achieve divisi a 2 in Duality A Vn1 or Vn2 is easy enough to set up. However, it seems to my ear that the resulting pair of divisi a 2 subsections still carry the sound of 14 violins each in Vn1, and 12 violins each in Vn2, etc.. Natural, realistic divisi would require only 7 violins sounding in each of the Vn1 divisi a 2 subsections, or 6 violins sounding in each of the Vn2 divisi a 2 subsections. But instead, we hear the traditional problem of 'congestion' or 'over-density' of instruments in each divisi subsection.
For my new binaurally spatialised strings template I've set up divisi a 4 for each of the violins 1, violins 2, violas and cellos sections. I'm using Duality A (binaurally separated Left and Right channels) for 2 of the divisi a 4 subsections; Duality B (binauralised mono) for a 3rd divisi a 4 subsection; and Dimension strings (binauralised mono, 6 : 6 : 5 : 5) for a 4th divisi a 4 subsection. I aimed for strings with 28 : 24 : 20 : 20 proportions, for use with a very large orchestra. Alas, I fear I'm actually getting the sound of 42 : 36 : 30 : 30, which is simply too dense, too congested, in all of the Duality A divisi subsections. Furthermore, it yields a poorly balanced sound quality across the divisi a 4 subsections for each instrument type.
Even if I used Elite strings instead of one 'half' of the Duality A Mid Mic stereo pair, that would still leave the other half of Duality A as too big and dense - and besides, Elite (beautiful though it is) doesn't have sordino, flautando, etc.
I have to confess to feeling saddened and frustrated by being unable to have the new go-to strings template I wanted so much.
A Possible Solution For Future Libraries?
When recording multi-instrument sections, why not have the Left Mid Mics aimed to pick up only one half of the instruments, and the Right Mid Mics aimed to pick up the other half (perhaps using acoustic screens to help do this more precisely)? Congestion problem instantly solved, at least for divisi a 2.