5. Re: Phantom power noise - again!!!

["Raimund Specht" animalsounds]

> The two signal leads (2,3) must "see" the same impedance, otherwise
> the input will not outbalance disturbances in the cable. Pin 3 must
> therefore be grounded via a resistor and a capacitor simulating the
> same impedance as the signal output.

Yes, that impedance matching will make sure that the disturbances
entering in the cable will be compensated. However, in this way, the
noise originating from the phantom power will only be present on pin
Message: 2. 
Subject: Pin 3 would be absolutely silent, regardless of the phantom power
noise. This imbalance could be fixed for instance by adding a second
dummy output stage that is similiar to the active output stage.

> If there was some internal oscillation in the PRO6, which could be
> outbalanced, I would have seen that on the scope.

I don't meant internal oscillations. The problem could just be the
noise that originates from the recorder's phantom power supply circuit.

Raimund