bisontuba wrote: Tue Apr 28, 2026 1:55 am Comments:

“L’UNION FAIT LA FORCE” on seal with coat of arms on bell. “Solist / * / De Prins Gebr / GEBREVETEERD / ANTWERVEN / BELGIE 20837” on second valve.

Typing error

ANTWERVEN must be ANTWERPEN

Nice, but would be nicer if you had the courtesey to give a potential buyer the heads up that you sold it to some one else instead of letting him wait for a response.

Just for fun:

Here’s the frequency spectrum of me playing a Bb2 on the Miraphone 186 using my preferred OG Ultimate:

IMG_1934-dsqz.jpeg

Same note with a Mike Finn 4, which is a (good) heavyweight shallow F-tuba mouthpiece.

IMG_1935-dsqz.jpeg

The shallower mouthpiece adds more harmonic ...

Rick Denney Wrote:
"But there is no carrier frequency or heterodyne reception in a tuba. The lips produce frequencies in the range of maybe up to 20 KHz, most of which is attenuated out because the tuba only resonates harmonic frequencies with any."

if there is no carrier, then how do we define ...

Hmmm, seems to me that you can play as soft with a small throat as a large one. The air needed depends on the efficiency of the mouthpiece and more mass normally means a higer efficiency since there are less vibration losses.
More likley is that the harmonics serie of the mouthpieces are different ...

...

...

.

.

.

.

In reference to the original post: Who cares if it's busted or not? In my opinion, this board has become what TubeNet of old was and in my opinion is much better. Sure, we no longer have Klaus and a few others who have been claimed by time, but we still have a wealth of knowledge here. And with ...

.

.

.

.

.

.

.