Per quanto riguarda i pillars o cazzilli, vi riporto un test fatto da un Mariachi (uno veramente bravo, fra l'altro) su trumpetherald. In inglese, ovviamente:
"No Pillar: The horn has a great, open sound. You can feel the resonance in the bell and the sound to my ears sounds similar to a large bore trumpet with a sound that spreads nicely.
Nickel Pillar: The tone stays nearly the same, but the notes seem to have more core to them. Instead of a sound that spreads, it sounds like the notes hold together a bit more. I want to say it's a very similar effect that a heavy trim kit would have. It doesn't darken the tone though...just keeps the notes from spreading or having a flair to them.
Copper Pillar: This darkened the sound a decent amount. It was actually too dark for my preference. Almost like a different horn when compared to how the horn plays with no pillar or the nickel pillar. The sound wasn't my preference. IMO this took away a bit of the versatility that I find so appealing about the horn.
Now, I'll be the first to say that it sounds crazy and I almost don't believe it for myself. I think it was a bit of a blessing that it took a week for these pillars to get delivered to me because I was able to play the horn extensively without any attachments. At this point I'm very familiar with the sound of the horn with no pillar....so when I first tried the nickel pillar I was blown away that it actually changed the sound. I'd never believe it if I hadn't tried it myself."
E POI, MOLTO IMPORTANTE:
"
Playability wise:
No Pillar: Slotting seems the best. The sound is what I think Edwards was going for as far as a "default" sound for the horn. And after some time back and forth, I think no pillar might have the best true "X-13" sound and best playability.
Nickel Pillar: Slotting above the staff felt a bit looser. Sound feels a little more tamed. You might end up overplaying because the horn to your ears will sound a tad bit softer than with no pillar. Great core sound, but I feel like I'm fighting what my ears wants to hear.
Copper Pillar: Loose slotting again above the staff. I'd use this pillar maybe for smooth, solo stuff that doesn't go into the upper register."
