* The Medium is from 1922, the Monster from 1915. Different engravings...
* Both are in great physical condition
* Both play very easily, and don't take much effort to make them "go". Solid intonation, no weird notes, etc.
* Both have a beautiful, classic, characteristic "old American tuba" sound. Even after a lifetime of playing German rotary tubas, I fully appreciate the sounds these tubas make.
* Both are 3 valves, so that low Ab just isn't there (I'm not a fan of false tones... these both can be made to play the Ab false tone... but that's just me)
* To attach arbitrary estimates to things, the Medium is about 15% easier to play than the Monster, and the Monster puts out over 15% more sound than the Medium.
* The characteristic Martin "square-ish" bows are more pronounced on the Monster than the Medium
* Medium takes a small-shank mouthpiece; the Monster is a bigger shank, but still seems a little less than a regular American shank size...?
* Medium is 32" tall and 17" bell -- Monster is 32.5" tall and 20.5" bell (<-- for comparison, the B&S Neptune that I had also had a 20.5" bell... huge!)
* Both have the same finish level (satin silver w/polished silver highlights and inside bell). The Medium has retained more of it's satin finish than the Monster.
* Little dents and pings all over both of them, but nothing large on either and no evidence of repairs on either. They've been well cared for, used plenty, and have a LOT of life left in them. Martin sure knew how to make a tuba.
As you can see, they are closely related to each other -- I think of them as big/little brothers. Playing characteristics directly attributed to physical differences, and both have their strengths and differences. Both are built very solidly but are not leaden.
Here are some dimly lit photos!
![Tuba :tuba:](./images/smilies/tuba.gif)
I'll have to take some better ones... The monster Eb is really a lot thicker n the bows and bell, but doesn't look so much bigger here.
![Image](https://i.ibb.co/r4M9HPS/20230227-230947.jpg)
![Image](https://i.ibb.co/xJVQFQm/20230227-231152.jpg)
![Image](https://i.ibb.co/9rc5yZ6/20230227-231239.jpg)
![Image](https://i.ibb.co/MGmYbPK/20230227-231316.jpg)
Engraving on the Monster
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![Image](https://i.ibb.co/C5w4SFn/20230227-231022.jpg)
Engraving on the Medium
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![Image](https://i.ibb.co/g9G1yBp/20230227-231038.jpg)