楔形风箱
来源丨Understanding the Pipe Organ: A Guide for Students, Teachers and Lovers of the Instrument
人力供风的场景
来源丨Understanding the Pipe Organ: A Guide for Students, Teachers and Lovers of the Instrument
管风琴的电力鼓风机
来源丨Foley Baker
为了让风琴管内的风压稳定、适中,还需要在风琴和鼓风机间接入储气囊。鼓风机输出的风压过高时,储气囊能限制气流,降低风压;当鼓风机的风压过低时,储气囊又能及时向管风琴内补充风,同时加大进气量。
阀门式储气囊
来源丨Understanding the Pipe Organ: A Guide for Students, Teachers and Lovers of the Instrument