Why Your Piano requires tuning?

A piano is a complex instrument with over 200 tightly stretched strings, each under high tension. That tension, combined with environmental factors, means the instrument naturally drifts out of tune over time. Here’s why regular tuning is essential:
Environmental Changes
  • Humidity & Temperature: Wood and felt inside the piano expand and contract with changes in the air. Even small shifts can alter string tension.
  • Seasonal Variations: In climates with big seasonal swings, pianos can go noticeably out of tune twice a year.
String Tension & Stretch
  • Each string holds 150–200 pounds of tension. Over time, strings gradually stretch, loosening pitch.
  • New pianos especially need more frequent tuning because the strings and wooden frame are still settling.
Sound Quality
  • When a piano drifts out of tune, notes clash instead of blending, making music sound harsh or “off.”
  • Regular tuning keeps the instrument sounding rich, balanced, and enjoyable to play.
Longevity & Maintenance
  • Consistent tuning prevents long-term damage. If left untuned for years, strings can drift so far that bringing them back to pitch risks breaking them or damaging the frame.
  • Regular care also helps technicians spot other issues early, like sticky keys or worn hammers.
Most technicians recommend tuning at least twice a year in case that the piano is stable.
Reference:
Why do pianos need tuning?
Why do pianos need to be tuned? And how often?
Piano Tuning: When and Why It’s Needed

What Happens If You Delay Tuning
  • Pitch Drift Becomes Larger: If a piano is left untuned for too long, the strings can slip far from standard pitch (A=440). Bringing them back up later requires more stress on the strings and frame.
  • Risk of String Breakage: A sudden big adjustment after years of neglect can snap strings or strain the soundboard.
  • Uneven Tension: The piano’s structure relies on balanced tension across all strings. Letting it drift too far destabilizes the instrument.
  • Harder to Tune Later: If neglected, a technician may need multiple “pitch raises” before fine-tuning, which costs more and stresses the instrument.
Expert Advice
Technicians emphasize that the myth of “only tune when it sounds bad” is misleading. Even if your ear doesn’t notice small changes, the piano is already drifting. Regular tuning keeps the instrument stable and avoids expensive repairs later.
Reference:
Piano Tuning Myths That Could Be Hurting Your Instrument
How Long Can a Piano Go Without Being Tuned? Understanding the Importance of Regular Tuning

湯 先生/ Mr. Tong
英國註冊鋼琴技師 / Registered Piano Technician (MPTA)
Mobile / Whatsapp: 6304 4081
Website: www.tongtuning.com
Blog: www.tongtuning.com/wordpress
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