Sonor Primary KSP 50 X Large Bass Sound Module "f"

Sonor Primary KSP 50 X Large Bass Sound Module "f"

Powerful, resonant, professional—the Sonor Primary KSP 50 X Large Bass Sound Module "f"

With the Sonor Primary KSP 50 X Large Bass Sound Module "f", you get a high-quality, individually tuned musical instrument that was specially developed for use in music education, early music education, or Orff instrument sets. The large bass sound bar impresses with its deep, warm tone, precise intonation, and robust, durable construction.

The note “f” is a central element in many diatonic and pentatonic scales and is ideal for basic music education, ensemble playing, or improvisation. Whether as a complement to existing sound module sets or as a targeted addition, this tone bar brings tonal depth and expressiveness to any musical setting.

Sonor – Musical Quality with Responsibility

For decades, the German brand Sonor has stood for excellent musical instruments that meet the highest standards in both sound and craftsmanship. The Primary Series, developed specifically for educational institutions, combines sturdy construction, child-friendly playability, and sustainable manufacturing—perfectly tailored to the needs of schools, preschools, and music schools.

The Sonor Primary KSP 50 X Grand Bass Sound Module "f" is made entirely from FSC®-certified wood. The soundbox is made of high-quality birch plywood, which impresses with its strength and excellent resonance properties. The soundboard is made of Pao Rosa—a tropical tonewood characterized by its exceptional acoustic quality and long durability.

Technical details of the Sonor Primary KSP 50 X Grand Bass Sound Module "f"

The instrument’s soundboard is 44 mm wide and 20 mm thick—dimensions that have proven themselves in practical music instruction and guarantee a comfortable playing experience. The natural finish highlights the elegant grain of the Pao Rosa wood and gives the instrument a high-quality appearance.

The sound bar is tuned to the fundamental note “f,” following the fundamental tuning method, which ensures a pure sound with few overtones. This makes it particularly well-suited for working with children, who rely on clear pitches and distinct sounds. The resonant, deep tone blends superbly into ensemble sounds and provides a solid sonic foundation for any arrangement.

The combination of a precisely crafted sound plate and a carefully designed resonance chamber ensures balanced sound projection with good volume, long sustain, and a clear timbre. The soundbox, made of multi-layered birch plywood, is designed to optimally amplify the low “F” note and produce a round, full-bodied sound.

As with all instruments in the Sonor Primary series, every single note in this sound module is individually tuned. This may result in slight variations in the dimensions of the soundboard—a hallmark of genuine craftsmanship and precision.

Why the Sonor Primary KSP 50 X Grand Bass Sound Module “f” Stands Out

The Sonor Primary KSP 50 X Grand Bass Sound Module “f” is a high-quality musical instrument that excels across the board in terms of sound, aesthetics, and environmental sustainability. Its low pitch and clear, warm tone make it an indispensable part of any Orff instrument collection or xylophone set. Whether in everyday school life, early music education, or professional ensemble projects—this tone bar consistently delivers high sound quality and playing comfort.

The use of FSC®-certified materials makes this instrument not only a musically sound choice but also an environmentally responsible one. If you’re looking for a reliable, durable, and sonically impressive instrument, the “f” model from the Sonor Primary Series is the perfect addition.

Since it is sold as a single instrument, it offers maximum flexibility when setting up or expanding an instrument collection. This allows you to specifically add the pitch ranges your ensemble or teaching concept requires—without compromising on quality or sound.

Features:

• Product Description: Resonant Bar – Xylophone
• Group: Grand Bass
• Product Name: KSP 50 X
• Series: Primary
• Fundamental Pitch
• Pitch: F
• Resonance Box: Birch plywood, FSC-certified
• Sound plates: Pao Rosa, FSC-certified
• Sound plate color: natural
• Sound plate width: 44 mm
• Sound plate thickness: 20 mm
• Soundboard Notes: The actual dimensions of a soundboard may vary slightly from these specifications. This is due to the tuning process and the properties of the materials.

Specs:

• Color: Birch
• Material: Birch
• Size: Misc.
• Type: Tone Clave
• Theme: Drums and Percussion

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