$8,500.00
| Branding | Yamaha |
|---|---|
| Model | UX30A |
| Year | 1992 |
| Size(L-W-H) | 51 1/2"(131cm) – 60 1/4"(153cm) –25 1/2"(65cm) |
| Serial Number | 5083289 |
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The Yamaha UX30A is an exceptional 52-inch (131 cm) professional studio upright piano manufactured by Yamaha between 1990 and 1993 at their flagship factory in Hamamatsu, Japan.
It belongs to the legendary, high-end "X Series" (UX Series) and serves as the direct, upgraded successor to the UX30Bl. As a late-generation model of this iconic line, the UX30A features all of Yamaha's premium structural innovations, making it highly sought after today on the pre-owned and refurbished piano markets.
Core Engineering & Structural Highlights
- Advanced Radial X-Brace Frame: The defining feature of the UX30A is the massive X-shaped wooden support structure on the back of the piano. This heavy-duty architecture distributes over 20 tons of internal string tension far better than the standard vertical posts on a regular U3, giving the UX30A legendary tuning stability and immense acoustic projection.
- Curved Bass Bridge & Extended Strings: Yamaha optimized the internal scale design with a specially curved bass bridge layout. This modification allows the UX30A to fit noticeably longer bass strings than a standard 131 cm upright. The result is a deep, thunderous lower register that easily matches the sonic presence of a compact grand piano.
- Grand Piano-Style Curved Music Desk: Moving away from the basic cabinet profile of standard uprights, the UX30A features a large, elevated, forward-sitting grand piano-style music rack with distinctive curved acoustic lines on the side panels. This places sheet music or tablets at the correct grand piano sightline.
- Tone Escape Vents (Front Panel Slots): Built discreetly into the split-panel casing behind the music desk are sound escape vents. Rather than trapping all the acoustic resonance inside a sealed wooden box, these vents allow the sound to travel straight from the solid spruce soundboard directly out to the player, offering a highly responsive, open listening experience.
- Premium Mahogany-Core Hammers: The action is fitted with premium, under-felted mahogany-core hammers voiced to match the quality of Yamaha's C-series grand pianos. These hammers provide an incredibly wide dynamic range, adding a warm, round, and orchestral depth to Yamaha's classic crystal-clear brightness.
Technical Specifications
| Feature | Specification |
|---|---|
| Cabinet Height | 131 cm (52 inches) — Professional Full-Size Upright |
| Origin & Builder | Made in Japan (Hamamatsu Flagship Factory) |
| Production Run | Circa 1990 – 1993 |
| Frame Architecture | Heavy-Duty Cross-Braced Radial X-Posts |
| Action Rails | Extruded Aluminum Alloy Rails (immune to climate warping) |
| Pedal System | 3 Pedals: Damper, Muffler (Practice Mute Felt), and Soft |
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