Bach - Professional Model: 42AFG - Tenor Trombone Outfit w/Infinity Axial Flow Valve, Goldbrass Bell
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Bach - Professional Model: 42AFG - Tenor Trombone Outfit w/ Infinity Axial Flow Valve, Goldbrass Bell
The Bach Stradivarius 42AFG is a professional large bore (0.547") symphonic trombone with a gold brass bell and a new generation "Infinity" Thayer valve and open wrap F attachment. The Infinity valve provides for an uninterrupted airflow through the valve section. This makes the horn especially free-blowing, allows the F attachment notes to match the open horn in both toneand feel, and makes for a fuller low register.
First is the valve - The "Infinity"thayer axial flow (AF) valve on this model is unique in that it employs anupper and lower roller bearing assembly to support the valve core. Thesebearings are similar to those used in precision machine andautomotiveapplications. They support and align the valve core which eliminates surfacewear and allows for an air-tight seal, two issues that have been problematic inthe axial flow valve design since it first appeared in the 1980's. Thislightning fastvalve is complimented with a new miniball valve linkage whichmakes for a design that's comfortable, fast, tight and responsive.
Second is the handslide - Bach has adopted anew state of the art slide manufacturing process that employs a pre-polishingstage. The result is a slide that is truely world class. Gone are the days ofhiss and scratch. The new slides are fast,even and nearly silent. And as abonus, the slide lock has been improved for worry free operation.
Third is a new fixture-mounted constructionprocess - This reults not only in improved alignment of parts, but alsobetter resonance and thus improved sound
General features include:
- 8.5" one-piece hand-hammered bell. A one-piece bell generally gives a better response over two-piece designs due to the lack of the additional solder joint at the bell flare.
- Gold brass bell material. Though subject to debate, gold brass is often thought to make for a warmer sound to the player, with slightly less projection than yellow brass. No gold is used in the manufacture of such a bell.
- Infinity Axial Flow Valve. The Bach Infinity valve provides for an uninterrupted airflow through or past the F attachment. Conical shaped, and rotating about its axis on precision roller bearings, the valve provides a straight-through air path with no resistance whatsoever. Axial Flow valves make the horn especially open and free-blowing, allow the F attachment notes to match the open horn in both tone and feel, and makes for a fuller low register.
- Brass outer slide tubes. Brass outer tubes are generally thought to help produce a darker, more intense sound with great projection that is less apt to "break up" at high volume levels.
- Seamless chrome-plated nickel silver inner slide tubes. The lack of a seam helps make the inner tubes perfectly round—they don't flatten or bulge at the seam. This, together with the polished nickel finish makes the action quick, light and quiet.
- Nickel silver slide handgrips. Lacquered nickel grips resist corrosion far better than brass grips and also prevent staining of your skin.
- Tubular nickel silver body braces. Nickel braces are lightweight and tough, reducing weight and increasing body integrity.
- Bach 6.5A mouthpiece. The 6.5A is a decent mouthpiece for this horn. It can be swapped for a 5G (a better match for experienced players) or any other in-stock Bach mouthpiece of similar cost at no additional charge.
- Fabric covered wood shell case. Bach's case is protective and durable, though a little on the large side. It has a zipper enclosure with a velcro flap. A large outside zippered pocket is convenient for music storage.
- Metal cleaning rod. Standard with every Bach Strad trombone. You're going to need one anyway, and this saves you the expense later on.
Conn-Selmer Professional Level Instruments Rebate