The Miraphone M7000 Ambassador EEb Tuba includes a lot of the same features of the M9000 Amabassador BBb. The features include a .709-inch to .740-inch conical bore plus a 4 valve (3 Top and 1 Side) compensating valve design that is an excellent choice for brass band work. The Ambassadors nickel silver mouthpipe offers a quick response for this 5/4 instrument.
The Miraphone M9000 Ambassador is the newest addition to the Miraphone BBb tuba line. The M9000 Ambassador features a compensating design with a .772-inch to .803-inch conical bore and 4 piston valves with 3 top action and 1 side action configuration. The Miraphone M9000 also features a 19.68-inch bell with excellent resonance and a nickel silver mouthpipe for quick response.