Circuit for measuring impedance with an amplifier

[Сергей-UA]

Привет.
Для измерения импеданса я использую усилитель.
Правильно ли я собрал схему для этой задачи?
Заранее благодарю за ваши ответы.

 

[John Mulcahy]

Should be OK. You might want some back-to-back zeners on the inputs as an extra safety measure.

 

[sm52]

Better yet, don't use an amplifier. For any purpose related to impedance measurement, an external sound card with 2 inputs and 2 mid-level outputs is sufficient.

 

[Mallick]

Will the TASCAM US-366 be sufficient to do the impedance measurement without an ext amplifier, if so what is the advantage of using the amp?

 

[sm52]

I didn't have this card. Looking at the specifications, it should be enough.