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Forums :: Ask Harp Tech Expert Kinya Pollard

Improve Reed Response

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Tue, 05/26/2026 - 12:26
Harp Tech Kinya...
Harp Tech Kinya Pollard's picture
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Joined: 02/07/2010

Hello Harp Techs, over the past few weeks I had a situation where the two harmonicas I was customizing lacked the reed response I was looking for, specifically DRAW Bend 3 and BLOW Bends 8+,9+,10+

The solution was to "Chamfer" the reeds responsible for the Bent Notes (pitch). For example (on a C harmonica),

  • DRAW bending on 3 (B) would energize the 3+ (G) BLOW Reed and produce your Bb, A, Ab Notes, so chamfer your 3+ BLOW reed
  • BLOW bending on 8+ (E) would energize the DRAW 8 (D) and produce your Eb note, so chamfer your 8 DRAW reed
  • BLOW bending on 9+ (G) would energize the DRAW 9 (F) and produce your Gb/F# note, so chamfer your 9 DRAW reed
  • BLOW bending on 10+ (C) would energize the DRAW 10 (A) and produce your B, Bb notes, so chamfer your 10 DRAW reed

With proper chamfering, your reeds will respond with less effort. Worth trying my friends, but first as a refresher, review video: Part 7 - Marine Band University | High Performance Reed Treatment Part 1 (Chamfering)

https://www.bluesharmonica.com/harpsmith_bench

Your HARPSMITH, Kinya

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