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Custom Harmonicas by Andrew Zajac
The most expressive harmonicas

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Marine Band Reed Chart - High-Resolution PDF download only

By Andrew | 6:45 PM EDT, Mon August 03, 2020

This is the DOWNLOAD version of these charts.

Here's a chart of Marine Band reeds organised by slot dimension.

It's also a table of all of the notes of Standard Richter tuning in every key with the octaves displayed.

See this page about how to use these charts.

Color version:

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Quick Customizing Videos for the diatonic harmonica player

By Andrew | 10:22 AM EST, Sat December 29, 2018

These videos are available as a 650 Meg download from this site or as or a USB drive from my USA dealer Rockin Ron's.


This is a new collection of quick videos made for the reluctant customizer.

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Send me a harmonica you have worked on for assessment

By Andrew | 5:22 PM EDT, Fri September 28, 2018

"I don't know what I don't know!"

Send me a harmonica you have worked on for assessment. I can give you pointers and an action plan on how to get your results to the next level.

You can't find a problem unless you know where to look. I will give your instrument an objective 30-point assessment and tell you where to focus your efforts and improve your trouble areas.

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Andrew's videos on USB

By Andrew | 10:30 AM EDT, Tue August 22, 2017

"...better than Netflix and solved a lot of harp issues for me!"- EMC





Update #3 is included in the current release!

Version 3 includes over 9 hours worth of videos of which 2 hours and 30 minutes are Premium videos. Premium videos go into unprecedented details and show you topics that have never been shown before.

Learn to repair, upgrade or customize your own harmonicas to make each one of them a high-quality instrument.

A well-playing harmonica is a joy to play.

  • Read more about Andrew's videos on USB
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Quick Customization Videos Download Screenshot Quick Videos CA$49.00

Custom diatonic harmonicas, Hohner Affiliated Customizer.
I customize Hohner Marine Band, Rocket, Special 20, and Golden Melody harmonicas.
Andrew Zajac, Kingston Ontario, Canada.
I use a continuous quality improvement process. I use regular evaluation and incremental steps to strive for constant improvement.
Website, text, photos, videos, download documents, designs and products by Andrew Zajac are licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
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