Valve amplifiers
- 条目编号
- 009-5522
- 所属类别
- 第9类 科学仪器软件
- 状态
- 有效（A）
- 类型
- 商品
- 生效日期
- 01/17/2019
- 尼斯版本
- 11-2019
- TM5 通用条目
- 是
官方备注
Valve amplifiers are a type of electronic amplifier that uses vacuum tubes to increase the amplitude or power of a signal.
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