Alto Metallophone – 13 Diatonic Bars
Key Specifications SKU / Model 051302 Age Range 6+ years Configuration 16 metal bars with carving notes, includes 2 × F-sharp and…
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Key Specifications
| SKU / Model | 051302 |
| Age Range | 6+ years |
| Configuration | 16 metal bars with carving notes, includes 2 × F-sharp and 1 × B-flat bars |
| Bars | Metal bars made of special aluminum, size 32 × 8 mm, fundamental tuning |
| Scale | Tuneable to C major, G major or F major; pitch range from C4 to A5 |
| Material | Resonance box made of 12 mm birch plywood; FSC® certified timber |
| Box Size | Resonance box approx. 645 × 226 × 221 mm (L × W × H) |
| Mallets | 2 baby blue plastic mallets made of rubber with different hardness (3 levels) |
| Extras | Musicube songbook with colored keys, song sheet with coloured notes & cloth bag for the add-on bars |
| Packaging | Brown box |
| Certifications | EN 71, ASTM F963, GB 6675 |
| Lead Time | 25–45 days after deposit |
13-Tones Metallophones: The Harmony Voice
All Primary metallophones have 32 x 8 mm (Soprano and Alto) or 36 x 10 mm (Bass) sound bars with fundamental tuning, and the newly designed resonator box with enhanced acoustics are made of solid and laminated birch. The resonator boxes of the Musicube metallophones are made from FSC® certified timber from well managed forests, and all wood surfaces are protected with Water-based paint, an environmentally safe, all-natural varnish.
The bars with the laser of the note enable a visual connection between the sheet music and the instrument — when improvising with self-created melodies, children always have a visual reference to the printed notation. Each metalophone is equipped with a carrying bag to stow 3 bars (2 x f-sharp, 1 x b-flat).
Features
- Metal bars made of special aluminum
- 16 metal bars with carving Notes, includes 2 x f# and 1 x Bb bars
- Fundamental tuning
- Tuneable to C major, G major or F major
- Sandblasting and anodizing treatment of aluminum bars make the clear and powerful sound
- Flexible pins
- Resonance box made of 12 mm birch plywood
- Multiple resonance chambers for a rich sound quality
- Resonator box are protected with water-based paint for lasting durability
- Handles for easy transportation
- The plastic mallets are made of rubber with different hardness (3 levels)
- Musicube songbook with colored keys for easy learning
- 2 plastic mallets, song sheet with coloured notes & cloth bag included
- Great for use in the classroom
- Packed in brown box
Model 051302 Specifications
- Size of resonance box is 645 x 226 x 221 mm (L x W x H)
- Size of metal bars is 32 x 8 mm
- Pitch range from C4 to A5 (Additional notes F#4, Bb4 and F#5)
- Equipped with 2 baby blue mallets
The Alto Voice: Where Class Harmony Lives
In a classroom ensemble, the alto part is where the music actually holds together. An octave below the soprano metallophone, the 051302 carries borduns, broken chords and counter-melodies — the parts that make a group of beginners sound like an ensemble instead of a unison line.
- An octave down from the 051301: same 32 × 8 mm bars, same layout, register shifted for harmony duty
- Deep 221 mm resonance box — the added air volume gives the lower bars their body
- Same three-key system: C, G or F major by swapping the F-sharp and B-flat add-ons
- Baby blue mallets: the 3-level hardness system keeps voicing consistent across the choir
Pair one soprano with two altos and a bass, and a single music lesson becomes a full orchestration exercise — exactly how the Primary line was designed to be taught.
First Harmony Patterns: Bordun and Beyond
The alto register is where Orff-style accompaniment begins. A bordun — the open-fifth drone played on C and G — is usually a child’s first harmony part, and on the 051302 both notes sit within one hand’s reach.
- Open-fifth bordun: the two-bar drone that anchors an entire class song
- Broken-chord textures: alternate C–E–G figures fill the middle of the ensemble sound
- I–V accompaniment: two chords per verse turn a sung melody into an arrangement
- Question-and-answer parts: altos answer the soprano’s phrase in the lower octave
- Ostinato loops: short repeating patterns younger players can hold all lesson long
Because the add-on bars retune the same instrument to G or F major, these patterns transfer across keys without relearning the layout — the geometry of the bordun stays fixed under the mallets while the tonal center moves.
Product Highlights
C4 to A5 alto register — an octave below the soprano, the natural home of classroom harmony parts
Deep 645 × 226 × 221 mm birch resonance box — multiple chambers tuned for the lower register’s richness
Tuneable to C major, G major or F major — the add-on bars modulate the whole ensemble in seconds
FSC® certified timber from well managed forests — documented for sustainability-led tenders
2 baby blue rubber mallets from the 3-level hardness system — the alto voice of the Primary line
Laser-etched note names on every bar — harmony parts readable straight off the instrument
What’s in the Box
- 1 × Alto Metallophone — 13 diatonic bars mounted on the birch resonance box (C4–A5)
- 3 × add-on bars (2 × F-sharp, 1 × B-flat) in a cloth carrying bag
- 2 × baby blue plastic mallets (rubber, from the 3-level hardness system)
- Musicube songbook with colored keys & song sheet with coloured notes
Applications
Orff-style ensembles — the harmony voice that turns classroom melodies into arrangements
Primary music lessons — C4–A5 covers the range of most classroom songbooks
Three-part choirs — slot between soprano and bass for a complete Primary metallophone section
Key-signature curriculum — swap add-on bars and the whole class modulates together
Notation introduction — laser-etched letters keep printed music and sounding pitch connected
Sustainability-led tenders — FSC® chain-of-custody documentation included
Product Positioning
The 051302 Alto is the workhorse of our three-part Primary metallophone platform: sixteen aluminum bars (32 × 8 mm, including the F-sharp and B-flat add-ons) spanning C4 to A5 on a deep birch resonance box. Where the 051301 Soprano leads melodies, this model carries the harmony that makes classroom ensembles sound full — and its 221 mm box depth gives the lower bars the air they need.
It shares the production line, tuning bench and certification process with our own consumer brand Musicube — the same instrument that is already selling on the US retail market under the Musicube name. Complete the section with the 051303 Bass (C3–A4, dark blue mallets) and the three registers cover a full C-major-to-F-major repertoire from floor-shaking low C to singing high A.
Quality & Manufacturing
The resonator box is built from 12 mm birch plywood with FSC® certified timber from well managed forests, finished in water-based paint — an environmentally safe, all-natural varnish. Special aluminum bars (32 × 8 mm) receive sandblasting and anodizing treatment for the clear and powerful sound, and sit on flexible pins over multiple resonance chambers. Batch-level EN 71, ASTM F963 and GB 6675 reports are available for every shipment, issued under your brand name.
Below: the production line where this model runs.
And the paperwork your import process will need — real reports, not templates:
OEM / ODM: Make It Yours
Once the instrument is proven, the next question is how it starts carrying your brand:
- Logo: print on the birch resonance box, from low trial quantities.
- Songbook: your brand and your own song selection on the colored-keys songbook.
- Mallet colors: the three-level hardness system can ship in your Pantone-matched colors at volume.
- Packaging: the brown box takes a full-color sleeve, or we quote a full-color box from volume.
- FSC® claims: chain-of-custody documentation supports your sustainability labeling under your brand.
Request OEM pricing for this model → — costed proposal within 24 hours.
Packaging & Export
What lands at your warehouse:
- Each unit packed in a brown box with the cloth bag, add-on bars and mallets inside; export cartons engineered for drop-test survival.
- Shipping terms: FOB Ningbo/Shanghai; DDP available for EU and US destinations.
- MOQ, carton quantity and container loading for this SKU are confirmed on your quotation — ask with your quantity.
Frequently Asked Questions
Q: How does the alto differ from the soprano metallophone?
A: Register and box depth. Both use 32 × 8 mm aluminum bars with the same 16-bar three-key system, but the 051302 spans C4–A5 (an octave lower) in a deeper 221 mm resonance box — built for harmony and bordun parts rather than melodies.
Q: Why are the mallets baby blue?
A: Mallet color is the quick-visual system of the Primary line — yellow for soprano, baby blue for alto, dark blue for bass. Teachers hand out parts by color, and the hardness level behind each color keeps voicing consistent across the choir.
Q: Can this alto model play together with the soprano and bass versions?
A: That is the design intent — the 051301 (C5–A6), 051302 (C4–A5) and 051303 Bass (C3–A4) form a three-part choir with matching bar construction and the same rubber-mallet hardness system, so one classroom runs melody, harmony and bass simultaneously.
Q: What is the MOQ for OEM orders?
A: MOQ and carton configuration depend on your customization level and destination market — they are confirmed on your quotation rather than a fixed published number. Send your quantity and target market for a costed proposal within 24 hours.
Need this product customized for your brand?
Send us your quantity, target market and customization needs — quotation within 24 hours.
