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I tried one of these at the Laabs store in the Twin Cities and wasn't impressed with it in any way. That said, I only spent a few minutes with it, but with just the first run through a Bb scale it had some issues that I just didn't feel like trying to deal with.

Mack Brass sells this horn. It is actually a Jinbao 520L. Here's a link to his page http://www.mackbrass.com/MACK-TU520L__BBb_Tuba.php and there are some links on it to YouTube recording of the horn.

I tried at the factory and was not impressed enough with this model to want to stock. The rotary valve version JBBB-500 I found much, much better with spot on tuning throughout the range and good tone.
http://www.wessex-tubas.com/bbb-lightweight/

How's the low range on that rotary one?

Are you kidding me ? The Chinese are making tubas ?
No way.....

That link looks just like the little piston valve Barrington tuba they've had at the NAMM Show for the last several years. I tried it each time I was at the show and I considered it a waste of time, not a good player at all.

Bob Kolada wrote:How's the low range on that rotary one?

Just gone and blown one to remind myself. Actually very good low register - surprisingly open. I would not mind playing with small band.

I will try to put up YouTube demonstration video to demonstrate, although the iPhone does not really pick up the depth of sound so well.

I have brought a few of these in and they are not bad. I still am not happy with using them at the middle school level as they are a little on the large side for a 12 year old kid. Have not bought them in a while but those that have bought them thought they were good for the money. I am still looking for something to replace this model with. I think the horn is about 90% there but not totaly sold on it so I may be pulling it from my line.