喇叭等之最低谐振频率 Fo 值。
Model - 7116C 基 本 规 格
Freq. Range:20Hz～20 kHz in one range.
Freq. Response :≦0.25dB, 20Hz～20 kHz.
Sweep Mode : Manuallyorautomatic log. sweep in one range. Setting spot ( random ) frequency also available.
Signal : Sine wave, THD≦0.15%, (0.1% Typical.) ( 20Hz～20 kH