For the majority of modern Miyazawa flutes (manufactured from the late 1970s to present), the dating system is relatively straightforward. The serial number is typically a 5 or 6-digit numerical code.
This comprehensive guide explores everything you need to know about Miyazawa serial numbers, manufacturing timelines, and model identification. Where to Find the Serial Number on a Miyazawa Flute
: On some models, the number is stamped into the small strap for the trill keys .
Unlike some brands with publicly accessible dating charts, Miyazawa requires direct contact for precise details. Miyazawa Serial Numbers
Miyazawa serial numbers are the primary way to verify the age, specifications, and authenticity of these handcrafted flutes. Because Miyazawa does not publish a public master list of manufacturing dates, these numbers are essential for insurance appraisals and identifying older models. Where to Find the Serial Number
| ( n ) | ( a_n ) | Digit sum ( s(a_n) ) | Palindrome? | MSN | |--------|-----------|------------------------|--------------|-----| | 1 | 1 | 1 | Yes | 1 | | 2 | 2 | 2 | Yes | 2 | | 3 | 3 | 3 | Yes | 3 | | 4 | 4 | 4 | Yes | 4 | | 5 | 6 | 6 | Yes | 6 | | 6 | 9 | 9 | Yes | 9 | | 7 | 13 | 4 | Yes | 13 | | 8 | 19 | 10 → 1 | No (10→1) | - | | 9 | 28 | 10 → 1 | No | - | | 10 | 41 | 5 | Yes | 41 | | 11 | 60 | 6 | Yes | 60 | | 12 | 88 | 16 → 7 | No | - | | 13 | 129 | 12 → 3 | Yes (single digit) | 129 | | ... | ... | ... | ... | ... |
: Many players find that flutes from specific serial number eras have distinct sound profiles. For example, some professional flutists prefer the "subtlety" of 80s and 90s serial numbers over the more "forward" sound of modern versions. Pitch Identification For the majority of modern Miyazawa flutes (manufactured
(e.g., 60,000 and above) indicate modern production eras. Handmade and Custom Exceptions
Proof sketch: The core sequence grows exponentially (base ( \psi \approx 1.465 )), and the digit-sum palindrome condition removes all but a vanishing fraction. The intersection with base-10 palindromic digit sums (which have density zero among naturals) forces the final density to zero.
If you are located in Europe, Asia, or Oceania, contact or your regional master distributor. Where to Find the Serial Number on a
Miyazawa serial numbers can be famously "tiny" and difficult to spot. Check these common locations:
Modern Miyazawa flutes utilize a 5-digit sequential numbering system. As production numbers grew, the sequences crossed major milestones (e.g., passing the 50,000 and 70,000 marks).
A positive integer ( N ) is called a if: