上海钢琴厂为满足音乐专业单位需要,试制成功一种新产品——聂耳牌N803型立式钢琴。N803型立式钢琴在结构设计和制造工艺上均作了许多改进,声学性能、演奏性能和工艺品质达到了较高的水平。该琴采用多层热压弦轴板,提高了音准的稳定性;音板的改进,使弧度均匀,振动幅度大;弦马的改革,克服了高中音区分窗处相邻二键音色不统一的缺陷;击弦机主 Shanghai Piano Factory to meet the needs of music professionals, a successful trial of a new product - Nie ear brand N803 vertical piano. N803 vertical piano in the structural design and manufacturing processes have made many improvements, acoustic performance, performance performance and process quality reached a higher level. The piano adopts multi-layer hot-pressed chord axis plate to improve the stability of the pitch standard; the soundboard is improved so that the radian is uniform and the vibration amplitude is large; the reform of the chord horse overcomes the inconsistency of the adjacent two-key tone color of the high- Defects; hit the main machine