Chemnitzer Concertina - 52 buttons
Kosatka's Peerless - Internal Photos

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Here are some photos of the insides of the Kosatka Concertina.  My apologies for the quality of the images .. they were the best I could produce under my time constraints.  Regarding the instrument's volume (sonic pressure capacity), I would judge the Peerless to be equal to Chemnitzers and other LGCs I've played.  This instrument is exceptionally well-conceptualized and well-constructed.  It definitely is a different playing experience from the standard (laptop) model.  Efficiency of effort and maximalization of output are definite strengths.  \korbo
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