YEP-642
Professional Bb / F Compensating Euphonium

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| Monel pistons |
Monel pistons are resistant to corrosion and are an ideal choice for professional baritone pistons which must retain precise fit and smooth action over many years. |
| Hand-lapped valves and slides |
Hand-lapping valves and slides ensures an absolutely perfect fit and seal between the valve pistons and casing or slide parts. Such a perfect fit helps to achieve smooth air flow and smooth action and improve the response and intonation of the instrument. |
| Pressure formed tubing |
Perfectly rounded tubing results in less turbulence and a smoother air flow, thus allowing for an excellent scale and reduced resistance. |
| Hand-hammered yellow brass bell |
A hand-hammered yellow brass bell produces a slightly more intense tone with a pure, perfectly-balanced tone with quick response and extra presence. |
| Compensating system |
The compensating system found on the YEP-642 ensures accurate tuning on all notes throughout the instrument's range, particularly in the difficult low range. |
| Bell taper and leadpipe |
The combination of the bell taper and leadpipe is designed for greater projection, control and response. |
| Intonation |
| True and centered intonation makes this great euphonium even better! |
| Available feature |
| The YEP-642 euphonium is available with a silver-plated finish. |
| Specifications | |
| Level | Professional Euphonium |
| Key of | Bb / F |
| System | Compensating |
| Bore | 0.591-0.661" dual bore |
| Bell Diameter | 11 4/5" |
| Leadpipe Material | Gold brass |
| Body/Bell Material | Yellow brass |
| Finish | Clear epoxy lacquer; Silver-plating (YEP-642S) |
| Mouthpiece | L51 |
| Pistons | (3) Monel, top action (1) Monel, side action |
| Valve casing | Yellow brass |
| Features | Large shank mouthpiece receiver |
| Included: | |
| YAC EPC-62 | Plastic euphonium case |
| YAC SLL5148 | Baritone/trombone/euphonium mouthpiece; good for orchestral players, beginning bass trombonists, and performers seeking a dark, smooth tone. |
| YAC RVO | Superior valve oil |
| Optional: | |
| YAC SL46B | Baritone/trombone/euphonium mouthpiece; popular choice for flashy, upper register playing |
| YAC SLL47 | Baritone/trombone/euphonium mouthpiece; facilitates good response and intonation for students and professionals alike |
| YAC SLL48 | Baritone/trombone/euphonium mouthpiece; standard, well-balanced design for full range of orchestral tenor trombone parts |
| YAC SLL48-GPR | Baritone/trombone/euphonium mouthpiece; gold-plated rim through backbore; standard, well-balanced design for full-range of orchestral tenor trombone parts |
| YAC SLL48D | Baritone/trombone/euphonium mouthpiece; balanced design but with deeper cup than 48 to facilitate rich, soft sound |
| YAC SLL51B | Baritone/trombone/euphonium mouthpiece; tailored to the needs of 1st trombone and euphonium players |
| YAC SLL51C4 | Baritone/trombone/euphonium mouthpiece; answers orchestral needs for dark tone and good response |
| YAC SLL51D | Baritone/trombone/euphonium mouthpiece; specially designed for euphoniums, with pronounced cup depth for deep sound in hands of expert players |
| YAC SLL52 | Baritone/trombone/euphonium mouthpiece; larger rim diameter and cup volume than 51 for heavy resonant sound by tenor trombone and euphonium players |
| YAC SLL53 | Baritone/trombone/euphonium mouthpiece; designed to facilitate the large, full sound favored by orchestral players |
| YAC 1351 | Vinyl mouthpiece pouch; fits all low brass mouthpieces |
| YAC 1510G | Tuba/baritone lyre; gold lacquer |
| YAC 1510N | Tuba/baritone lyre; nickel-plated |
| YAC 1100P | Valve oil |
| YAC 1011P | Slide grease |
| YAC 1061 | Silver polish |
| YAC 1077P | Vinyl coated flexible cleaning rod; small |
| YAC 1078P | Vinyl coated flexible cleaning rod; large |
| YAC 1083P | Nylon valve casing brush |
| YAC 1084P | Brass mouthpiece brush |
| YAC 1096P | Treated silver polishing cloth; medium |
| YAC 1097P | Treated silver polishing cloth; large |
| YAC 1099P | Untreated polishing cloth; large |
| YAC 1100 | Chamois-like polishing cloth |
| YAC 1666P | Valve casing cleaning rod |
| YAC 1039 | Maintenance kit; piston valve instruments |
| YAC EV-26 | Educational Video: Paul Droste, "Steps to Excellence"; euphonium |
| SB29C | Euphonium Silent Brass system |
| PM-2 | Silent Brass mute only with cable |
| Model: | YEP-642 |
| Years: | 1995- |
| Key: | Bb |
| Bore: | .591"-.661" |
| Bell Size: | 11-4/5" |
| Current Model: | Current |
