Overview
							
								(Image shows CL-4C mouthpiece)
The Standard Series are made out of high quality phenol resin (plastic) and feature a design based upon the top grade Custom series. They are extremely consistent in specifications and playing quality, and offer excellent value for their price. The facing of this series is slightly shorter than that of the Custom series making them easier to play, and easier for beginning students to achieve a rich characteristic clarinet sound. They also are available in a variety of sizes, to suit the needs players of many different styles.
							 
						 
																									
								Features
								
								Yamaha's 5C mouthpiece for Bb and A clarinets facilitates a richer, fuller volume than the 4C model, with a greater tonal variety.
							 
												
							Specs
							
							| Standard Series |  |  |  | 
| Model No. | Tip Opening (mm) | Facing Length (mm) | Characteristics | 
| CL-3C | 1 | 19 | Easy control and good response   from lower to higher ranges, even for beginners. | 
| CL-4C | 1.05 | 19 | Helps obtain a well-balanced   tone over all octaves, for professionals and beginners alike. | 
| CL-5C | 1.1 | 19 | Facilitates a richer, fuller   volume than 4C, with a greater tonal variety. | 
| CL-6C | 1.2 | 19 | An excellent mouthpiece for   experienced players seeking powerful volume, strong tone, and rich tone   variety. | 
| CL-7C | 1.3 | 19 | A jazz favorite for penetrating   volume with a rich, strong sound and precise tonality. | 
|  |  |  |  | 
| Custom Series |  |  |  | 
| Model No. | Tip Opening (mm) | Facing Length (mm) |  | 
| CL-4CM | 1.05 | 21 |  | 
| CL-5CM | 1.1 | 21 |  | 
| CL-6CM | 1.15 | 21 |  |