Yamaha YV-391CEEMM

Historical Context and Positioning in the Range

Designed in the spirit of Yamaha vibraphones focused on performance and reliability, the YV 3910M emphasizes playing precision, mechanical stability, and portability. Its approach favors a consistent and reliable instrument across the entire keyboard, with a design intended for musicians who alternate between rehearsals, stages, and recordings, while seeking a vibraphone with highly controllable behavior.

Who This Vibraphone Is For

The Yamaha YV 3910M is primarily aimed at intermediate to advanced vibraphonists and environments where response quality makes a difference: conservatories, big bands, orchestras, studios, and performance stages. Its 3 1/2 octave range is perfectly suited for jazz, Latin, variety, and classical percussion repertoires, with dynamics fine enough to work on nuances and sufficient presence to stand out in an ensemble.

Features and Innovations

The strength of this model lies in its combination of compact mechanics and musical control. The compact motor and toothed pulleys promote stable rotation, resulting in a more regular vibrato and a consistent playing feel. The "pause" button and silent slider provide smooth control, particularly useful in concert situations when adjusting expression without unwanted noise.

The YVM 300 motor incorporates a memory system : when the pause function is activated, the shutters automatically return to a predetermined position, regardless of their stopping point. In practice, this secures transitions and allows quick recall of a reference setting while maintaining a very musical playing sensation.

Sound

The aluminum alloy bars contribute to a precise sonic identity, with a clear attack and excellent note clarity in fast passages. This type of material favors immediate response under the mallet and effective projection, while maintaining a usable sustain for legato and chords. The special tuning announced by Yamaha aims for a pure fundamental, which contributes to a more "centered" sound with appreciable homogeneity when playing across the entire range.

The motorized shutter system adds the typical expressive dimension of the vibraphone: a tremolo that can remain subtle to thicken the sound or become more pronounced for movement effects. The speed range allows adapting the vibrato pulse to tempo and style while maintaining a sense of regularity. The result is a vibraphone with a full, uniform, and easy-to-control sound, suitable for very soft nuances as well as accented playing.

Technical specifications

Number of octaves	4	Material	aluminium
Instrument size	Large	Frequencies	442 Hz
Category	orchestra	Finishing	Gold

Range	c-f3, 3 1/2 octaves	Speed	25 to 150 rpm
Finish	shiny "gold" color	Transmission	toothed pulleys
Bar width	39-57 mm	Control	silent slider
Bar thickness	13 mm	Design	fully detachable frame
Tuning standard	A=442 Hz	Dimensions (L x W)	143 x 82 cm
Other tunings	available on special order	Adjustable height	86-94 cm
Motor	YVM 300	Weight	61 kg
Functions	pause button with memory	Matte finish keyboard	YV 3910M