What is the lowest register brass instrument?

[Louiseyoko]

What is the lowest register brass instrument?

Thanks

[Mr Veritas]

Personally,I would have said it was the Tuba,as Wikipedia says "The tuba is the largest and lowest pitched brass instrument."
See here:~
http://en.wikipedia.org/wiki/Tuba

[saxy_jag]

Yeah, you'd probably be about right.

There is also the contrabass saxophone (they show one on the Speckled Hen beer ad), which is made of 'brass' and pitches lower than the tuba, as far as I'm aware, but isn't technically a member of the brass section of the orchestra or band.

[Mr Veritas]

Thanks to saxy_jag's prompting,here is the Wikipedia page for the Contrabass Saxophone.
http://en.wikipedia.org/wiki/Contrabass_saxoph one
AS saxy says Wikipedia regards this as a woodwind instrument,mainly due to the fact that it has a reed in the mouthpiece.
Just in case you want to hear what it sounds like(and I urge you to) hear is something from youTube:~
https://www.youtube.com/watch?v=hXBeu7o9uUM

By comparison here is a Tuba:~https://www.youtube.com/watch?v=Y75ryZC8LB0

Of course to muddy the waters even more,here is a Sousaphone,which I don't think is the lowest;but is interesting, and large!
http://en.wikipedia.org/wiki/Sousaphone
and this is what it(en masses) sounds like!

My thanks to saxy,as I had never heard of Contrabass Saxophone before!

[Mr Veritas]

Sorry this link didn't work before.

https://www.youtube.com/watch?v=Y75ryZC8LB0

[saxy_jag]

I believe there is an even lower pitched one around. They're very expensive, though. You need a second mortgage to buy these big boys. Whole saxophone family here.

The saxophone per se is a bit of a hybrid. It has a reed, same as some members of the woodwind family, is usually made of metal, same as brass, and the alto has a timbre similar to the French Horn.

In 'classical' orchestras and wind bands it's included the woodwind section, and in big bands it forms part of the horn section.

Within the woodwind family, it's a hybrid again, because it has the conical bore of the oboe, but the single reed of the clarinet.

And now I guess I'm 'boring' everyone, so let's get back on topic. ;-)