Newbie questions - average time + usable range

[Brad361]

You mentioned: “.....I have no teacher and its been a while since I have played brass so I am worried I will fall into the wrong technique thinking its the right approach.“

And you’re correct; it’s very easy to develop bad habits that might take a LONG time to correct.
If you REALLY want to make progress, do whatever it takes to get a qualified teacher. Forums like this are great, but they’re not a substitute for a teacher.

Brad
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When asked if he always sounds great:
"I always try, but not always, because the horn is merciless, unpredictable and traitorous." - Arturo Sandoval

[FrankM]

m1tch, I feel for you. I really do. Take Kalijah's advice. Don't stress about what you can't do. Work on what you can do and be patient. Unless you're a genius with a natural aptitude its a long hard road. Apologies if this sounds like preaching. All the best.
_________________
Fairly large collection. Favourites:-
Eclipse Bb Tpt
Yamaha 6335H Bb Tpt
Besson Meha Bb Tpt
Selmer 99 Radial
Conn Connstelation 36B
Conn Connstelation 28A
B&H Sovereign Cornet
Yamaha 635T Flugel Horn.