电压降计算器

根据电缆长度、电缆电阻以及信号源端的电压/电流计算电缆的电压降和插入损耗。选择 Extron SPK 系列线缆,或输入其他电缆的规格参数。

必须填写

确定电压降
  • 安培
  • 伏特
  • Ohms/1000 feet

电压降

伏特

输出电压

伏特

插入损耗

分贝

FAQs

The voltage drop calculator estimates voltage drop and insertion loss across a cable based on cable length, resistance, and source voltage and current.

Excessive voltage drop can reduce available power at the load, potentially affecting loudspeaker performance and overall system reliability.

The calculator requires cable run length, source voltage, source current, and the selected cable type or user‑entered cable specifications.

Yes. The calculator allows users to select Extron SPK Series speaker cables or manually enter specifications for another cable type.

No. The calculator provides estimates to support design decisions and should be used alongside manufacturer data and system requirements.