Thank's for the clarification, Robb. I have never looked at th edetails of
these products before. So, my inital guess was right...
Regards,
Raimund
> All low-cost preamps or DI boxes that I have ever seen just use a simple
> inverting op amp circuit to mirror the the signal of the hot side of the
> balanced signal (Pin 2 or tip of 1/4" balanced connection) onto the cold
> (Pin 3 or ring) to get a balanced output. So the amplifier stage is
> still single-ended. And in fact some, like a little Mackie 402 mixer
> that I use on my desk, don't even have a signal on the cold side of the
> balanced line. They are just impedance balanced. So I don't understand
> how there would be a noise penalty or any loss of signal content by just
> using the hot side of the balanced output to feed an unbalanced input.
>
> On 1/6/2013 9:52 AM, Raimund wrote:
> > Taking only one of the two (amplified) balanced output rails could
> > still lead to a degradation of the noise performance. So, I believe
> > that feeding the difference of the two into the unbanlanced input
> > would be better in terms of noise.
>
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