Neptune wrote:Lingon wrote:
...
Neptune wrote:... If someone has solved the intonation problems of that F, then congratulations to them!...
...Jonathan, have you discussed with the factory about the intonation problem? I remember in some earlier thread that you mentioned playing a couple of those instruments both bad and good ones, in China...
I doubt if JinBao would share the individual modifications of another dealer, but may ask. My focus is however more on developing a new 'better' F tuba, amongst other models...
Well, that's fair and of course if MM have worked out something then other could try to do the same or try to license the thing, for that matter, if it is solves the problems? That is maybe about communication? MM that has told us he is a parts supplier for the JB instruments would maybe sell the modded pipe as an accessory to those interested and thus solve the bad reputation of the JB F's intonation? I remember the lyric talk about this instrument when it struck the market...
So, if the problems could be solved with a leadpipe switch then it would be interesting for you and your colleagues to work together to develop such a thing? Or have some independent party work on it? I do not know how these things work in the tuba world but for trombones there are many alternatives to get from more than one source. For example Kanstul makes, amongst other things, a lot of trombone lead pipes. I have an English Mick Rath pipe in my Bach 42 that works very fine. So if there is interest in having the JB600 working why not try to develop a pipe that works, if it is only about the leadpipe? That could also be sold as an option with or without the instrument and thus the already in use JB600s could be bettered and with the perspective of your intentions to get a new model born then also give even more alternatives for the potential buyer. As far as I understand there are good things about the 600 but not good intonation. Fix the intonation and it would be a good instrument? Or just scrap the model?
Jonathan, do not misinterpret my ramblings, It would surely be interesting to get news about a newly developed F-tuba too. Too many tubas are not enough as we all know.

But, if the JB would improve on their exisisting models, giving the current users options then they may eventually be seen in another light, and not the usual just make quick money perspective?
Did you have a pleasant trip to China?
Anyone here that have compared MMs 'upgraded' F with the unmodified thoroughly and would be willing to share the experiences with TN? Or can tell us something about the not so cheap Thein F tuba and intonation?