Appearance: paint gold
Tonal: drop the B
Type: CO-255 L
Origin: tianjin
Material: brass
The piston: stainless steel pistons
Tube bending notes: brass
Th mouth: silver 7 C small mouth
Refers to the key design: made key type (three key)
Inside pipe diameter: 11.65 MM
Bellbottom diameter: 99 MM
Instrument maintenance
1. The instrument is stained with sweat be soiled will change color, and even rust, if is silver plated surface will become black, so grab or playing a musical instrument had better take the gloves.
2. Before each use, first check the performance of the Musical Instruments, such as the piston is ineffective, at this time will wipe out the piston, piston oil good, and then the piston to flexible for good activities.
3. After using instruments, must immediately be instruments row of water purification, again with a soft cotton cloth to wipe clean play inside and outside, the piston tube, good oil, put the case, in case of rust.
4. Don't blow long put instruments, regular inspection and maintenance, don't make components mildew to change, rust.
5. Often check every removable parts if there's any loose phenomenon, once discovery should be immediately lock.
6. Don't use organic solvent and chemical liquid instruments wipe, lest cause the corrosion of Musical Instruments.
7. Musical instrument pipe deformation will be hard to reply once, placed instrument must be firm, safely avoid accidentally fell touch, or they will cause serious consequences.
8. No installation tip with clap is a bad habit, sometimes led to tip number deadlocked against pulled up, and how it can be inserted a gently.
9. Don't in high temperature, moisture, dust and gas in the environment of corrosion for Musical Instruments, in case of deformation and cracking caused by instruments, rust and corrosion, etc. Find yourself not sure the fault handling, to contact us in time to deal with.


