8121FT-1 (IEC-268-1) 外接濾波器之說明
Description of Model-8121FT-1 (IEC-268-1)
(1) 8121FT-1 乃是根據 IEC-268-1 規定所制造的加權濾波器, 必須配合及連
接的 8121C 之后, 方能產生符合
IEC-268-1 所規定的加權濾波雜音, 以進行揚聲器的壽命試驗及訂定揚聲
器的額定功率。
8121FT-1 is the weighting filter made in accordance to IEC-268-1 requirement, it must linked with either Model-8121C made by Sunlight Electronics Laboratory, to enable it to generate weighting noise filter that complied with IEC-268-1 requirement , for undergoing the life testing of the loudspeaker and by defining the rated power of the loudspeaker
(2) 使用時請注意: 輸 入 的 訊 號 源 是 采 用 粉 紅 查 雜 音 (Pink Noise),不可使用其
他種類的雜音訊號源。
When using please take note that: The input signal adopts the Pink Noise, and not other signal of noise sources.
(3) 由此加權濾波器所產生的雜音同時也符合 JIS C5532 所規范的濾波雜音。
Furthermore, the noise generated from this weighting filter also complies with the filter noise required by the JIS C5532 |
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