input transformers (was: Re: mic pre with headphone out)

[Dan Dugan <>]

Klas, you wrote,

>(On the other hand I question the use of input transformers, but that is
>another debate.)

Advantages of input transformers:
added gain =3D lower noise
bandwidth limitation, low and high =3D won't pass DC or RF
no series capacitors on input =3D better balancing (not a problem in field)

Disadvantages of input transformers:
cost
bandwidth limitation, low and high
sensitivity to ambient hum fields (not a problem in field)

Do you have other points to add?

-Dan Dugan


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