the sound of massed violins in classical orchestral recordings


why do massed violins have this sort of gritty sandpapery reverberation in classical orchestral recordings?even in some sections of a piece, when the violins are playing softly in the background, you hear that gritty overtone more than the melody.when I listen to the Houston symphony in Jones Hall,sitting fourth row, facing the violin section, I don't hear that sound.I have three systems { two of them mid-fi ] and I hear the same thing-even with headphones.in all instances, the other parts of the orchestra are clear.  my main system : Vanalistine Trancendence 10 tube preamp,a 35 year old solid state Proton D1200 amp, [have tried NAD,Project, Musical Fidelity amps--they don't sound any better],Onkyo dx7555 CD player [Stereophile class B],and Project Carbon turntable with Grado Black 2 cartridge [ the Ortophon Red was too bright ] through Magnepan MG12/QR speakers.Tried a highly regarded Elac speaker--no change as far as the violins go, but way inferior to those dramatic Maggies.So, there you have it. Is it the equipment? Is the state of the art not up to recording violins? Is it me? [its o.k.-I can take it}. In closing,a couple of years ago,I had phone conversation with a well known person associated with a major speaker company about this. His response :[ paraphrased ] Violins are a problem--don't like 'em.  Any input will be appreciated. Thanks.
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I think the quality of the recording has as much to do with this as anything.  Most just do not get it right.  Occasionally they do:
Beethoven Overtures, Sir Collin Davis.  A beautiful SACD recording on the Sony label, manufactured in Japan that I am enjoying right now.
Yeah, it just seems to be one of those things recording engineers have trouble with. I've got hundreds (thousands?) of orchestral recordings on CD, vinyl and cassette, and probably only about twenty or thirty of them get orchestral strings close to truly clean & right.  I'm picky enough on this topic to rate the various labels on their orchestral string tone cleanliness batting average.  It's one of the reasons I have so many orchestral recordings on Philips.  Analog recordings usually do better on this front than digital ones, but that doesn't mean that analog and vinyl are superior in this respect.  I also gotta say that streaming via Qobuz and Primephonic probably does better with this aspect of reproduction than any other media.  Who'd a thunk it?
Thanks "no romance" and" millercarbon" for your articulate responses.What I have learned is that the phenomenon is real [ which, strangely,gives me a sense of  relief ] and it is formidable.I'm not sure I'm ready to go " on and on" at this stage of my life.Now that I know [ perhaps subliminally have always known ] I can better appreciate how far I have come from that portable Phonola I carried around some sixty years ago. I still get a thrill when those Maggies go full tilt Mahler!

Is it the equipment?

Yes.

To understand why we will need to drill deep down into the details of exactly how a violin makes music. It’ll be worth it because a lot of the same things happen with a lot of other instruments, just not quite to the same degree. Which is what makes violin so hard to do right.

The violin bow is a bunch of rough textured threads. Its not one thing. Its a bunch of them. That’s why you sometimes see them all frayed, as some wear through and break, the ends fray and frazzle.

As the bow is drawn across the string its not a smooth motion. As each little rough bit grabs and lets go its more like a series of tiny little plucks than a steady tone. Its all these transient spikes within the tone that give violin its character.

In order to reproduce this well it requires the entire system be fast enough to accurately reproduce each one of those micro transient spikes, then die down fast enough to reveal the underlying fundamental tone, as well as the resonance of the body of the instrument. This is asking way too much. The vast, vast majority of components get the transient, render it too harshly, smear it so much the tone and body are lost, wash rinse repeat. All day long. Its crap. Its why hardly anyone wants to listen to classical.

Its sad how hard this is to do right. My system didn’t get there until I got the Moabs. Even then it would not be there without all the many many tweaks and mods to every inch of wire, every component chassis, on and on.

So yes its your equipment. But not just the amp, speakers, etc. Equipment includes every inch of every wire from the breaker panel to the speaker cone and every component in between and all the stuff they sit on and the room the sound is heard in.
Very complex waveforms of many instruments -all not necessarily in perfect tune with each other. Add in their harmonics and intermodulation. This is very demanding on an audio reproduction system.