Scherzo
December 27, 2021 6:23 PM   Subscribe

 
I'm confused about the tuba video - it clearly has 3 valves, yet they say "it doesn't have any pistons and valves". I have to assume they mean the valves are seized (as opposed to merely decorative), not that it was designed like a bugle...
posted by Greg_Ace at 7:45 PM on December 27, 2021 [1 favorite]


Yeah, they all look wired up properly. Probably rusted in place.
posted by CheeseDigestsAll at 7:56 PM on December 27, 2021


How amazing would that tuba look if it was completely repaired/refurbished/polished!? Though I suppose it would lose some of its current rustic (emphasis on rust) charm.
posted by Greg_Ace at 8:31 PM on December 27, 2021


It looks as if the pistons could just be for show, you can see the way the lead pipe goes straight through the valve block without any offsets suggests that there's not actually enough room to engage with the tubes coming off of each piston.
posted by Jon_Evil at 9:09 PM on December 27, 2021


> Though I suppose it would lose some of its current rustic (emphasis on rust) charm.
They can totally restore the inside without polishing it up it that's how they like it.
posted by technodelic at 9:30 PM on December 27, 2021


the lead pipe goes straight through the valve block

I re-watched the video, especially the close-up pan at 0:22-0:26, to see what you were talking about. That's not uncommon for larger instruments, as there's plenty of room on the valves to spread out the connections so no need to stagger the straight-through connecting tubes.* My flugelhorn is the same way, straight-through between the valves; but on my smaller-valved trumpet some of those tubes are slightly offset to accommodate each valve's individual tubes. It doesn't make economic sense to go to the extra cost of adding valves and tubing to an instrument that isn't going to use them, especially since that's the most expensive and time-consuming part of the design/manufacture process.

*Explanation for anyone who isn't familiar with how brass instruments work: Each piston valve (some instruments have rotary valves but the principle is the same) has one hole through it for a "straight-through" path when the valve isn't pressed and its extra tubing isn't being used, and another two holes that get used when the valve is pressed down to port the air through its attached tube to alter the pitch being played. Each of the three valves has a different-length tube to allow for different pitches, plus there are multiple fingerings to combine the extra tubing on any 2 or all 3 valves to produce even more pitches. There more to it than that, but no need to go into more detail here.
posted by Greg_Ace at 9:56 PM on December 27, 2021


That ball is quite interesting. Calling it a drum machine is actually short selling it a bit. Seems more like a tactile version of Garage Band. It makes sense, because the sounds all exist on the app on the phone and the ball is just a sensor for input. The loops and sounds in the video were a little on the goofy side, but with proper guitar and string chords you could make some real music with that.
posted by zardoz at 11:08 PM on December 27, 2021


That ball is pretty similar to the Orba by Artiphon, which I got for Christmas last year.
posted by emelenjr at 6:09 AM on December 28, 2021


According to ODD's website, their balls can be used as a general-purpose MIDI controller (via Bluetooth).

I guess that's kind of cool – different kinds of controllers can encourage different kinds of performances, and a bouncing ball might be a useful tool for coming up with interesting rhythms. $130 feels a bit steep, but the small production numbers for niche stuff like this often translates to steep prices.

No serious musician is going to be creating beats with the ODD smartphone app, though – it's first and foremost a toy.

(Then again, some of the earliest UK grime releases were created on Sony Playstations, with an app called Music 2000. So who knows?)
posted by escape from the potato planet at 7:18 AM on December 28, 2021


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