Petosa is the exclusive U.S. dealer for Zero Sette Accordions.

petosa home accordions


Piano Accordions Standard Models

B.11a
34 Keys - 72 bass
3 set treble - LMM
4 set bass reeds
5 treble registers
3 bass registers
7.4 kg

available colors

B.22
41 Keys - 120 bass
4 set treble - LMMH
5 set bass reeds
11+M treble registers
7 bass registers
10.6 kg

B.29
41 Keys - 120 bass
4 set treble LMMH
2 reeds in Tone Chamber
5 set bass reeds
11+M treble registers
7 bass registers
11.6 kg

Converter Free Bass Models

B.22-45 CONV.
45 treble keys F-C
120 standard bass
55 Free Bass notes
4 sets treble reeds
2 sets reeds in Tone Chamber
6 sets bass reeds
2 sets free bass reeds
13 + M treble registers
3 Chin registers
6 bass registers
12.4 kg

B.31c-61 CONV.
61 treble notes
120 standard bass
55 Free Bass notes
4 sets treble reeds
2 sets reeds in Tone Chamber
6 sets bass reeds
2 sets free bass reeds
15 treble registers
5 Chin registers
6 bass registers
13.1 kg
Bayan Zenith
64 treble notes
120 standard bass
58 Free Bass notes
4 sets treble reeds
2 sets reeds in Tone Chamber
7 sets bass reeds
3 sets free bass reeds
15 treble registers
7 Chin registers
7 bass registers
14.6 kg

Frequently Asked Questions About Accordion Specifications
"What do the numbers like 120/41 and 7M/10 mean?"

The number 120/41 refers to an instrument with 120 bass buttons and 41 treble keys.
7M/10 registers refers to 7 treble registers (M means keyboard Master shift).
The 10 refers to the bass registers.
3/5 sets HM reeds: the first number (3) are the number of treble reeds, and the second is the number of bass reeds.

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