However, the blending might make it hard to decide which octave interval is being played for a particular button. If you're curious, one way to find out what's going on for a particular accordion is to use your ear and compare each note with a piano. (This fools some people more than others.) As you go up the scale, the top note of the octave interval fades out and a lower octave fades in. Antique Excelsior Symphony Accordion Salesman Pin Advertising Porcelian Sign A+.
EXCELSIOR ACCORDION MODEL A2 PROFESSIONAL
EXCELSIOR Professional Model Cassotto 120 bass B GRIFF Accordion Akkordeon Bayan. You can play an ascending scale and keep going without an obvious jump down, sort of like a Shepard tone illusion. EXCELSIOR Model:940 Accordion Musical Instruments. They might be the same range, but the bass range may be lower than the chord range, depending on the register switch.Īlso, sometimes the bass buttons will play octave intervals, blending notes from two octaves together. Typically, the chord notes come from an octave range, and the single bass notes also come from an octave range. It often isn't documented for a particular model. Each kind of accordion is different and each register switch is different. I haven't heard of any standard for exactly which notes a Stradella bass plays. Some Gola models are examples for accordions foregoing the coupling: in order not to be unbalanced in Master then, they have a third reed bank exclusive to the bass notes. While big Hohners tend to have reed banks starting at E1, E2, E3, E4, E5, an Excelsior of mine does A1, A2, F♯3, C4, C5 in order to better mask the octave breaks when playing in the Master register: it's the rule rather than the exception that whatever reed banks are used for the chord buttons are also engaged for bass notes while the lowest two reed banks are reserved exclusively for bass notes: the bass couples into the chord reeds.
EXCELSIOR ACCORDION MODEL A2 REGISTRATION
It's not even a given that the different reed banks selected by registration have an octave of distance. Accounting for the octave is not done since each reed bank in the bass covers only a single octave and whatever note in this octave happens to match the desired pitch is played. No exception (we are not talking about Belgian bass which is the other way round). It's fifths up and down going up and down, not accounting for the octave.
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