Impeccable Sound and Superior Design - The Yamaha YMP-204M Marching Mellophone in F - Lacquered

The Yamaha YMP-204M Marching Mellophone offers a rich and vibrant sound with excellent tonal projection. Through extensive field tests and research, Yamaha R&D has redesigned the bracing for a more open and "free-blowing" feel. The overall balance has been improved for enhanced comfort while playing, and the slide configuration has been reworked to improve intonation and tone qualities. It is the preferred choice of renowned groups such as the DCI World Champion Cadets Drum & Bugle Corps.

• Well Balanced: All Yamaha marching instruments are well-balanced, making them easy to hold and maneuver while marching.
• Hand-Fitted Valves and Slides: Hand-fitted construction ensures a perfect fit and seal between valve pistons, casing, and slide parts, resulting in smooth airflow, improved response, and intonation.
• Laser-Fused Plasma-Welded Bells: The high-energy laser fuses the brass together, creating a virtually seamless bell that produces continuous and even vibrations.
• Pressure-Formed Tubing: Perfectly rounded tubing reduces turbulence and enables smoother airflow, resulting in an excellent scale and reduced resistance.
• Heavy Bracing: Yamaha marching instruments feature heavy bracing throughout to enhance durability and withstand the rigors of marching band use.
• 1st Valve Thumbhook: The instrument is equipped with a 1st valve thumbhook for intonation adjustments (except for the YEP-201M).

SPECIFICATIONS

• Level: Marching Mellophone
• Key: F
• Bore: M: 0.462"
• Bell Diameter: 10"
• Leadpipe: Gold Brass
• Bell Material: Yellow Brass
• Finish: Clear lacquer
• Pistons/ Valves: (3) Nickel-plated, nickel alloy
• Mouthpiece: MP-14F4
• Case: MPC-203M
• Mouthpiece adapter included

Manufacturer: Yamaha
Model: YMP-204M
SKU: I168009-N-9-WHXD
UPC: 086792840581

We are Chuck Levin's Washington Music Center

Since 1958, Chuck Levin’s Washington Music Center has been the trusted destination for musicians and audio professionals across Maryland, Virginia, and Washington, D.C. Family-owned and operated, our legendary music store delivers Everything in Music®—from instruments and recording gear to pro audio, rentals, and repair services.

Our team of musicians and industry experts lives and breathes gear, helping you build the perfect setup for your next performance, studio session, or installation. As an authorized dealer for top brands, we also offer our award-winning CHUCKSCLUSIVE line—exclusive, limited-edition instruments and collaborations recognized with the NAMM Top 100 Dealer Innovation Award for redefining what a music retail experience can be.

Chuck Levin’s isn’t just a store—it’s a community built by players, engineers, and creators who share a lifelong passion for sound. Stop by our legendary Wheaton, MD showroom or contact us anytime for expert advice, product questions, or the best possible deal on your next piece of gear.