Insrument with aggressive and powerful sound, that can be soft and warm when required.

All different keyboard systems can be produced on request (C-system, B-russian system, Finnish and Belgian system, etc.).
声音可以强烈而有力，也可柔软而温暖。
可以根据客户要求制作各种类型的键盘系统（如C系统，俄罗斯B系统，芬兰系统，比利时系统等）。

Construction specifications:

- Buttons Standard
- Cassotto

结构特点：
- 标准巴扬手风琴
- 回声音室

Treble		Bass		Reeds			Registers					Cass	Wght	A	B	C
btn	nts	std	cnv	trb	bss	cnv	chn	mas	trb	std	cnv	otto	kg	cm	cm	cm
72	41	96		4	5			M	+11	5		C	9,8	43,0	19,5	0,0

Legenda: btn=buttons,nts=notes,std=standard,cnv=converter,trb=treble,bss=bass,chn=chin,mas=mastro,A=length,B=width,C=length keyboard
注释：btn=键钮，nts=键盘（音），std=标准，cnv=转换器，bss=贝司，chn=颌下变音器，mas=主变音器，A=长度，B=宽度，C=键盘长度

BUTTONS STANDARD
Product		Treble		Bass		Reeds			Registers					Cass	Wght	A	B	C	Red.
Model	Description	btn	nts	std	cnv	trb	bss	cnv	chn	mas	trb	std	cnv	otto	kg	cm	cm	cm	key.
Ac410V	Orchestra IV	87	47	120		4	5			M	+11	5			11,2	48,0	19,5	0,0
Ac425SF	Montparnasse	66	50	96		4	4				+10	3		C	10,5	40,0	23,0	0,0
Ac425V	Professional M	87	47	120		4	5			M	+15	7		C	11,8	48,0	19,5	0,0
Ac430V	Solista	88	53	120		4	5			M	+15	7		C	12,2	48,0	19,5	0,0