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Bandoneon Reeds and Tuning

JIM D.

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A quality Bandoneon uses the the same type of reeds used in quality PA's & Button boxes. They are just in a different configurations
to match the keyboard layouts. I'll try to find some older pic's of the layouts. I've always been in awe of a talented Bandoneon player
with a quality model exceed the accordion models of both PA & Button types capabilities ----

 

Sebastian Bravo

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the reed configuration is LM for most of the notes, MM for the highest ones in the right hand. That's why the LM register in an accordion is called "Bandoneon". But they don't sound similar, because of the reeds difference.

The reeds on the bandoneon are mounted in long single plates with lots of reeds, and the shape of each reed is rectangular, from botton to tip. Each reed is tiny, compared to accordion reeds. The plates are held to the wooden reedblock with nails and leather as a gasket. All that configuration togheter makes the sound sharp and bright, the disctintive bandoneon sound.
IMG_20211019_051107.jpgIMG_20211019_051339.jpg

In the accordion, the reeds are individual plate for each note, and the reeds are bigger, too. The shape of the reeds is different, getting narrower to the tip. The reed plates are held with wax. That's why they sound warmer than the bandoneon.
IMG_20211019_051547.jpg

The bandoneon is diatonic, the note changes with the direction of the bellows. That helps getting less weight and more tessitura with less reeds, compared to the accordion, that needs lots of reeds for each key.

The tuning is mostly, 442Hz in Argentina. Original tuning is always higher (445Hz and even more in some cases) and that's why most of the old bandoneons in Argentina have deep scatches and tuning marks in all the reeds, to achieve the 442Hz tuning.
 

JIM D.

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Just a note;
Bandoneons are made in diatonic & chromatic. Constantini & Galliano play a chromatic.
 

Sebastian Bravo

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Just a note;
Bandoneons are made in diatonic & chromatic. Constantini & Galliano play a chromatic.
modern bandoneons are made in a weird C-Griff layout. I have a client who bought a Pigini. It's more convinient that the original button layout, the C-griff makes more sense.
 

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Tom

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In the US a version of the Bandoneon called a Chemnitzer Concertina is very popular with a different key layout & diatonic.

It's popular for "old time" music around here played by the German-American people who are called "Dutchmen." Go figure. I bought one but find it difficult to play, awkward fingering. I'll probably sell it. ☺
 

96Bass

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the reed configuration is LM for most of the notes, MM for the highest ones in the right hand. That's why the LM register in an accordion is called "Bandoneon". But they don't sound similar, because of the reeds difference.

The reeds on the bandoneon are mounted in long single plates with lots of reeds, and the shape of each reed is rectangular, from botton to tip. Each reed is tiny, compared to accordion reeds. The plates are held to the wooden reedblock with nails and leather as a gasket. All that configuration togheter makes the sound sharp and bright, the disctintive bandoneon sound.
IMG_20211019_051107.jpgIMG_20211019_051339.jpg

In the accordion, the reeds are individual plate for each note, and the reeds are bigger, too. The shape of the reeds is different, getting narrower to the tip. The reed plates are held with wax. That's why they sound warmer than the bandoneon.
IMG_20211019_051547.jpg

The bandoneon is diatonic, the note changes with the direction of the bellows. That helps getting less weight and more tessitura with less reeds, compared to the accordion, that needs lots of reeds for each key.

The tuning is mostly, 442Hz in Argentina. Original tuning is always higher (445Hz and even more in some cases) and that's why most of the old bandoneons in Argentina have deep scatches and tuning marks in all the reeds, to achieve the 442Hz tuning.
Hello Sebastian, Thank you very much for your explanation. This was exactly the information I was seeking.
Robert
 

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