![]() ![]() ![]() Because of this, anglo buttons on instruments with wire levers were c.7mm in diameter. 2mm to provide the necessary strength around the hole. The standard wire was ca.2mm in diameter and needed a lever hole in the button of 3+mm (room for the bushing). Low end vintage instruments had bone buttons and wire action levers. inch than english and duet and because of that can have a relative simple action and larger buttons.īutton size and action material were determined by production cost/method, not ‘playing comfort’. ![]() Anglo concertinas have fewer keys per sq. The diameter of a concertina button is primarily determined by the space available in the action. You cannot change the spacing of the buttons without affecting playability. The keyboard dimensions for concertinas are more or less standard. Attached below is a response from Wim Wakker which gave the history. The topic was addresses under a general Concertinas in July 2012 in a post I started. Variation in button size tends to be greater on anglos than on duets or Englishes, and only on anglos is it not extremely rare to find instruments with different spacings between the buttons. I myself prefer the smaller-diameter buttons, i.e., 3 to 4 mm, though I don't refuse to play an instrument with larger buttons. (Also discussed in the past.) Some folks prefer buttons of greater diameter, and at least a couple have suggested that buttons the same size as on melodeons would be better (though that would also require greater inter-button spacing). Also more highly domed ones, with one exception that I would describe as "almost pointed", and even then I was able to play without particular difficulty.Īnother factor, though, is button diameter. But I've also played instruments with flat-topped buttons without the difference intruding on my attention. Most of my instruments have slightly domed buttons, and I find them quite comfortable. This has been discussed before, but I'm not going to take time to search for that thread (those threads?) now. What's best? Why? I currently play a Wheatstone with slightly domed buttons. I'm not sure if this is an ergonomics topic or a general concertina one but I have the option of domed or flat buttons on a new concertina I'm ordering. ![]()
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