TuningFork 钢制音叉 440Hz A调标准音叉

评测依据

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• time_range：{"from":"2026-06-26 02:55:16","to":"2026-06-26 02:55:16"}
• intros：{"brand_intro":"TuningFork是国内知名的音叉及调音工具品牌，专注于为音乐教育、乐器调音及物理实验提供高精度音叉产品。品牌以\"精准发声、稳定耐用\"为核心理念，采用优质钢材与精密加工工艺，确保每支音叉频率误差控制在±0.5Hz以内。其产品广泛被音乐学院、中小学实验室及专业调律师选用，在业内享有\"国产音叉标杆\"的美誉。","product_intro":"TuningFork 440Hz A调标准音叉采用高碳钢一体锻造，表面经镀铬防锈处理，音准稳定且共鸣持久。叉臂设计符合人体工学，握持舒适，敲击后可持续振动15秒以上。适用于钢琴调律、合唱团定调、物理声学实验及音乐教学场景。每支音叉附带橡胶减震底座，避免桌面共振干扰。出厂前经过多频次校准，确保频率精准度满足专业需求。","key_specs":["频率：440Hz（A4标准音）","材质：高碳钢，表面镀铬","误差范围：±0.5Hz","持续振动时间：≥15秒","重量：约45g","附件：橡胶减震底座"]}
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